diff --git a/projects/VC90/Array/Array.vcproj b/projects/VC90/Array/Array.vcproj
index 4fafadb7..131b883c 100644
--- a/projects/VC90/Array/Array.vcproj
+++ b/projects/VC90/Array/Array.vcproj
@@ -45,7 +45,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -112,7 +112,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -177,7 +177,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -241,7 +241,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/DEM/DEM.vcproj b/projects/VC90/DEM/DEM.vcproj
index 0094b5d8..043dc1ee 100644
--- a/projects/VC90/DEM/DEM.vcproj
+++ b/projects/VC90/DEM/DEM.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/DemChop/DemChop.vcproj b/projects/VC90/DemChop/DemChop.vcproj
index 3856b178..788a62f9 100644
--- a/projects/VC90/DemChop/DemChop.vcproj
+++ b/projects/VC90/DemChop/DemChop.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/GenOutput/GenOutput.vcproj b/projects/VC90/GenOutput/GenOutput.vcproj
index 16520928..70966149 100644
--- a/projects/VC90/GenOutput/GenOutput.vcproj
+++ b/projects/VC90/GenOutput/GenOutput.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/Geometry/Geometry.vcproj b/projects/VC90/Geometry/Geometry.vcproj
index b169c07b..cefeb403 100644
--- a/projects/VC90/Geometry/Geometry.vcproj
+++ b/projects/VC90/Geometry/Geometry.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/HGT/HGT.vcproj b/projects/VC90/HGT/HGT.vcproj
index 48d2ab4c..bc024f6e 100644
--- a/projects/VC90/HGT/HGT.vcproj
+++ b/projects/VC90/HGT/HGT.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/Match/Match.vcproj b/projects/VC90/Match/Match.vcproj
index 384ae2b3..3e1d61f0 100644
--- a/projects/VC90/Match/Match.vcproj
+++ b/projects/VC90/Match/Match.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/Optimize/Optimize.vcproj b/projects/VC90/Optimize/Optimize.vcproj
index 9b794af3..cef83bd2 100644
--- a/projects/VC90/Optimize/Optimize.vcproj
+++ b/projects/VC90/Optimize/Optimize.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/Output/Output.vcproj b/projects/VC90/Output/Output.vcproj
index 3619c370..a1760e04 100644
--- a/projects/VC90/Output/Output.vcproj
+++ b/projects/VC90/Output/Output.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/Polygon/Polygon.vcproj b/projects/VC90/Polygon/Polygon.vcproj
index 7ca85a61..0643e049 100644
--- a/projects/VC90/Polygon/Polygon.vcproj
+++ b/projects/VC90/Polygon/Polygon.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/Terra/Terra.vcproj b/projects/VC90/Terra/Terra.vcproj
index 10e436aa..dd96584a 100644
--- a/projects/VC90/Terra/Terra.vcproj
+++ b/projects/VC90/Terra/Terra.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -124,7 +124,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -202,7 +202,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -281,7 +281,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/TriangleJRS/TriangleJRS.vcproj b/projects/VC90/TriangleJRS/TriangleJRS.vcproj
index 35725ea3..78ae8314 100644
--- a/projects/VC90/TriangleJRS/TriangleJRS.vcproj
+++ b/projects/VC90/TriangleJRS/TriangleJRS.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;NO_TIMER;TRILIBRARY;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;NO_TIMER;TRILIBRARY;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;NO_TIMER;TRILIBRARY;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;NO_TIMER;TRILIBRARY;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/Triangulate/Triangulate.vcproj b/projects/VC90/Triangulate/Triangulate.vcproj
index 43d12c5a..73fc26d2 100644
--- a/projects/VC90/Triangulate/Triangulate.vcproj
+++ b/projects/VC90/Triangulate/Triangulate.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/clipper/clipper.vcproj b/projects/VC90/clipper/clipper.vcproj
index 20c92efb..fd1b77f2 100644
--- a/projects/VC90/clipper/clipper.vcproj
+++ b/projects/VC90/clipper/clipper.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/deminfo/deminfo.vcproj b/projects/VC90/deminfo/deminfo.vcproj
index f550df55..a25be659 100644
--- a/projects/VC90/deminfo/deminfo.vcproj
+++ b/projects/VC90/deminfo/deminfo.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/e00/e00.vcproj b/projects/VC90/e00/e00.vcproj
index a35e89d4..117ae13c 100644
--- a/projects/VC90/e00/e00.vcproj
+++ b/projects/VC90/e00/e00.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/e00lines/e00lines.vcproj b/projects/VC90/e00lines/e00lines.vcproj
index e7c43914..0a3ca71b 100644
--- a/projects/VC90/e00lines/e00lines.vcproj
+++ b/projects/VC90/e00lines/e00lines.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/fgfs-construct/fgfs-construct.vcproj b/projects/VC90/fgfs-construct/fgfs-construct.vcproj
index 6f8769b2..176edb24 100644
--- a/projects/VC90/fgfs-construct/fgfs-construct.vcproj
+++ b/projects/VC90/fgfs-construct/fgfs-construct.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS;DEFAULT_USGS_MAPFILE=\&quot;usgsmap.txt\&quot;;DEFAULT_PRIORITIES_FILE=\&quot;default_priorities.txt\&quot;"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS;DEFAULT_USGS_MAPFILE=\&quot;usgsmap.txt\&quot;;DEFAULT_PRIORITIES_FILE=\&quot;default_priorities.txt\&quot;"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS;DEFAULT_USGS_MAPFILE=\&quot;usgsmap.txt\&quot;;DEFAULT_PRIORITIES_FILE=\&quot;default_priorities.txt\&quot;"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS;DEFAULT_USGS_MAPFILE=\&quot;usgsmap.txt\&quot;;DEFAULT_PRIORITIES_FILE=\&quot;default_priorities.txt\&quot;"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/fgfs-tools-clients/fgfs-tools-clients.vcproj b/projects/VC90/fgfs-tools-clients/fgfs-tools-clients.vcproj
index ed6ab4aa..a68dc382 100644
--- a/projects/VC90/fgfs-tools-clients/fgfs-tools-clients.vcproj
+++ b/projects/VC90/fgfs-tools-clients/fgfs-tools-clients.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/fgfs-tools-server/fgfs-tools-server.vcproj b/projects/VC90/fgfs-tools-server/fgfs-tools-server.vcproj
index a883ab35..8b085ddc 100644
--- a/projects/VC90/fgfs-tools-server/fgfs-tools-server.vcproj
+++ b/projects/VC90/fgfs-tools-server/fgfs-tools-server.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/fillvoids/fillvoids.vcproj b/projects/VC90/fillvoids/fillvoids.vcproj
index e551a9e7..350fc93b 100644
--- a/projects/VC90/fillvoids/fillvoids.vcproj
+++ b/projects/VC90/fillvoids/fillvoids.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/genapts/genapts.vcproj b/projects/VC90/genapts/genapts.vcproj
index bc1fc710..6ee97bee 100644
--- a/projects/VC90/genapts/genapts.vcproj
+++ b/projects/VC90/genapts/genapts.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/gshhs/gshhs.vcproj b/projects/VC90/gshhs/gshhs.vcproj
index 5f0b1242..fa64b0c7 100644
--- a/projects/VC90/gshhs/gshhs.vcproj
+++ b/projects/VC90/gshhs/gshhs.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="false"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="false"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/hgtchop/hgtchop.vcproj b/projects/VC90/hgtchop/hgtchop.vcproj
index 9305104b..8e360b40 100644
--- a/projects/VC90/hgtchop/hgtchop.vcproj
+++ b/projects/VC90/hgtchop/hgtchop.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/landcover/landcover.vcproj b/projects/VC90/landcover/landcover.vcproj
index 2e664090..67e33385 100644
--- a/projects/VC90/landcover/landcover.vcproj
+++ b/projects/VC90/landcover/landcover.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/libTerra/libTerra.vcproj b/projects/VC90/libTerra/libTerra.vcproj
index 8f123a8c..dc572afe 100644
--- a/projects/VC90/libTerra/libTerra.vcproj
+++ b/projects/VC90/libTerra/libTerra.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/noaa-decode/noaa-decode.vcproj b/projects/VC90/noaa-decode/noaa-decode.vcproj
index 9aae30db..a187b92d 100644
--- a/projects/VC90/noaa-decode/noaa-decode.vcproj
+++ b/projects/VC90/noaa-decode/noaa-decode.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/ogr-decode/ogr-decode.vcproj b/projects/VC90/ogr-decode/ogr-decode.vcproj
index 8adcfd7c..6508bf41 100644
--- a/projects/VC90/ogr-decode/ogr-decode.vcproj
+++ b/projects/VC90/ogr-decode/ogr-decode.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/osgb36/osgb36.vcproj b/projects/VC90/osgb36/osgb36.vcproj
index c5df312e..3d3fbe1f 100644
--- a/projects/VC90/osgb36/osgb36.vcproj
+++ b/projects/VC90/osgb36/osgb36.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/poly2ogr/poly2ogr.vcproj b/projects/VC90/poly2ogr/poly2ogr.vcproj
index de9bd267..84072170 100644
--- a/projects/VC90/poly2ogr/poly2ogr.vcproj
+++ b/projects/VC90/poly2ogr/poly2ogr.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/poly2tri/poly2tri.vcproj b/projects/VC90/poly2tri/poly2tri.vcproj
index 768d90f3..4b1c318a 100644
--- a/projects/VC90/poly2tri/poly2tri.vcproj
+++ b/projects/VC90/poly2tri/poly2tri.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/raw2ascii/raw2ascii.vcproj b/projects/VC90/raw2ascii/raw2ascii.vcproj
index a4f5159e..d4e78562 100644
--- a/projects/VC90/raw2ascii/raw2ascii.vcproj
+++ b/projects/VC90/raw2ascii/raw2ascii.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/shape-decode/shape-decode.vcproj b/projects/VC90/shape-decode/shape-decode.vcproj
index 8c5bf798..970cb150 100644
--- a/projects/VC90/shape-decode/shape-decode.vcproj
+++ b/projects/VC90/shape-decode/shape-decode.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/shapelib/shapelib.vcproj b/projects/VC90/shapelib/shapelib.vcproj
index 26da39cf..a568d593 100644
--- a/projects/VC90/shapelib/shapelib.vcproj
+++ b/projects/VC90/shapelib/shapelib.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/srtmchop/srtmchop.vcproj b/projects/VC90/srtmchop/srtmchop.vcproj
index c777dd3e..5833587b 100644
--- a/projects/VC90/srtmchop/srtmchop.vcproj
+++ b/projects/VC90/srtmchop/srtmchop.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/terrafit/terrafit.vcproj b/projects/VC90/terrafit/terrafit.vcproj
index 98e63976..245b2c37 100644
--- a/projects/VC90/terrafit/terrafit.vcproj
+++ b/projects/VC90/terrafit/terrafit.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\src;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/terragear.sln b/projects/VC90/terragear.sln
index 7d6d22ba..e8c99174 100644
--- a/projects/VC90/terragear.sln
+++ b/projects/VC90/terragear.sln
@@ -198,7 +198,7 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testarray", "testarray\test
 		{22540CD3-D3CA-4C86-A773-80AEEE3ACDED} = {22540CD3-D3CA-4C86-A773-80AEEE3ACDED}
 	EndProjectSection
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SimGear", "..\..\..\SimGear.cs\projects\VC90\SimGear.vcproj", "{22540CD3-D3CA-4C86-A773-80AEEE3ACDED}"
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "SimGear", "..\..\..\SimGear\projects\VC90\SimGear.vcproj", "{22540CD3-D3CA-4C86-A773-80AEEE3ACDED}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
diff --git a/projects/VC90/testarray/testarray.vcproj b/projects/VC90/testarray/testarray.vcproj
index 12fea9b7..09ad6197 100644
--- a/projects/VC90/testarray/testarray.vcproj
+++ b/projects/VC90/testarray/testarray.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/tguserdef/tguserdef.vcproj b/projects/VC90/tguserdef/tguserdef.vcproj
index 76fb82ed..3d4674fd 100644
--- a/projects/VC90/tguserdef/tguserdef.vcproj
+++ b/projects/VC90/tguserdef/tguserdef.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_39_0"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_39_0"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_39_0"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_39_0"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232;..\..\..\..\boost_1_44_0"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/tgvpf/tgvpf.vcproj b/projects/VC90/tgvpf/tgvpf.vcproj
index 8f5059b0..d59c6c07 100644
--- a/projects/VC90/tgvpf/tgvpf.vcproj
+++ b/projects/VC90/tgvpf/tgvpf.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -126,7 +126,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -206,7 +206,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -286,7 +286,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_CONSOLE;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
diff --git a/projects/VC90/vpf/vpf.vcproj b/projects/VC90/vpf/vpf.vcproj
index 2343939d..3ee9a07b 100644
--- a/projects/VC90/vpf/vpf.vcproj
+++ b/projects/VC90/vpf/vpf.vcproj
@@ -44,7 +44,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -111,7 +111,7 @@
 			<Tool
 				Name="VCCLCompilerTool"
 				Optimization="0"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				MinimalRebuild="true"
 				BasicRuntimeChecks="3"
@@ -176,7 +176,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty\include;..\..\..\..\install\msvc90\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"
@@ -240,7 +240,7 @@
 			/>
 			<Tool
 				Name="VCCLCompilerTool"
-				AdditionalIncludeDirectories="..\..\..\..\SimGear.cs;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
+				AdditionalIncludeDirectories="..\..\..\..\SimGear;..\..\..\..;..\..\..\..\3rdParty.x64\include;..\..\..\..\install\msvc90-64\OpenSceneGraph\include;..\..\..\src\Lib;..\..\..\src\BuildTiles;..\..\..\..\gpc232"
 				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;NOMINMAX;_CRT_SECURE_NO_WARNINGS"
 				RuntimeLibrary="2"
 				RuntimeTypeInfo="true"