maintenance: clean up

src/BuildTiles/Main/tgconstruct_elevation.cxx

@@ -67,7 +67,7 @@ void TGConstruct::LoadElevationArray(bool add_nodes)
 
 // fix the elevations of the geodetic nodes
 // This should be done in the nodes class itself, except for the need for the triangle type
-// hopefully, this will get better when we have the area lookup via superpoly...
+// hopefully, this will get better when we have the area lookup via super-poly...
 void TGConstruct::CalcElevations(void)
 {
     std::vector<SGGeod> raw_nodes;

src/BuildTiles/Main/tgconstruct_math.cxx

@@ -69,7 +69,7 @@ SGVec3f TGConstruct::calc_normal(double area, const SGVec3d& p1, const SGVec3d&
 
 void TGConstruct::calc_normals(std::vector<SGGeod>& geod_nodes, std::vector<SGVec3d>& wgs84_nodes, tgPolygon& poly)
 {
-    // for each face in the superpoly, calculate a face normal
+    // for each face in the super-poly, calculate a face normal
     SGVec3f normal;
 
     for (unsigned int tri = 0; tri < poly.Triangles(); tri++) {

src/BuildTiles/Main/tglandclass.cxx

@@ -1,9 +1,9 @@
-// TGLandclass.cxx -- Class toSimnplify dealing with shape heiarchy:
+// TGLandclass.cxx -- Class to simplify dealing with shape heirarchy:
 //                    landclass contains each area (layer) of a tile
 //                    Each area is a list of shapes
 //                    A shape has 1 or more segments
 //                    (when the shape represents line data)
-//                    And the segment is a superpoly, containing
+//                    And the segment is a super-poly, containing
 //                      - a polygon, triangulation, point normals, face normals, etc.
 //
 // Written by Curtis Olson, started May 1999.

src/BuildTiles/Parallel/client.cxx

@@ -23,7 +23,6 @@
 #  include <netinet/in.h>
 #  include <unistd.h>
 #  include <utmp.h>
-#  include <strings.h>		// bcopy() on Irix
 #endif
 #include <sys/types.h>
 #include <sys/stat.h>
@@ -33,7 +32,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>		// atoi()
-#include <string.h>		// bcopy(), sterror()
 
 #include <simgear/compiler.h>
 
@@ -255,7 +253,7 @@ static bool must_generate( const SGBucket& b ) {
 }
 
 
-// build the specified tile, return true if contruction completed
+// build the specified tile, return true if construction completed
 // successfully
 bool construct_tile( const SGBucket& b,
 		     const string& result_file,
@@ -418,7 +416,7 @@ int main(int argc, char *argv[]) {
 	// check if the master switch is on
 	check_master_switch();
 
-	// niceness policy: This whole process should run niced.  But
+	// niceness policy: This whole process should run nicely.  But
 	// additionally, if there is interactive use, we will sleep
 	// for 60 seconds between each tile to stagger out the load
 	// and impose less of an impact on the machine.

src/BuildTiles/Parallel/server.cxx

@@ -12,7 +12,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #ifdef _MSC_VER
 #  include <winsock2.h>
    typedef int socklen_t;

src/Lib/Array/rectify_height.cxx

@@ -31,7 +31,6 @@
 
 #include <sys/types.h>
 #include <iostream>
-#include <string.h>
 #include <stdlib.h>
 #include "array.hxx"
 

src/Lib/Array/testarray.cxx

@@ -11,7 +11,6 @@
 
 #include <sys/types.h>
 #include <iostream>
-#include <string.h>
 #include <stdlib.h>
 #include "array.hxx"
 

src/Lib/terragear/TNT/tnt_math_utils.h

@@ -10,7 +10,6 @@
 namespace TNT
 {
 
-using namespace std;
 /**
 	@returns hypotenuse of real (non-complex) scalars a and b by 
 	avoiding underflow/overflow

src/Lib/terragear/clipper.cpp

@@ -1636,7 +1636,7 @@ bool Clipper::ExecuteInternal()
 void Clipper::SetWindingCount(TEdge &edge)
 {
   TEdge *e = edge.PrevInAEL;
-  //find the edge of the same polytype that immediately preceeds 'edge' in AEL
+  //find the edge of the same polytype that immediately precedes 'edge' in AEL
   while (e  && ((e->PolyTyp != edge.PolyTyp) || (e->WindDelta == 0))) e = e->PrevInAEL;
   if (!e)
   {
@@ -2691,7 +2691,7 @@ void Clipper::ProcessHorizontal(TEdge *horzEdge)
     {
 
         //this code block inserts extra coords into horizontal edges (in output
-        //polygons) whereever maxima touch these horizontal edges. This helps
+        //polygons) wherever maxima touch these horizontal edges. This helps
         //'simplifying' polygons (ie if the Simplify property is set).
         if (m_Maxima.size() > 0)
         {
@@ -3546,7 +3546,7 @@ bool Clipper::JoinPoints(Join *j, OutRec* outRec1, OutRec* outRec2)
     if (op2b->Next == op2 || op2b->Next == op1) return false; //a flat 'polygon'
 
     cInt Left, Right;
-    //Op1 --> Op1b & Op2 --> Op2b are the extremites of the horizontal edges
+    //Op1 --> Op1b & Op2 --> Op2b are the extremities of the horizontal edges
     if (!GetOverlap(op1->Pt.X, op1b->Pt.X, op2->Pt.X, op2b->Pt.X, Left, Right))
       return false;
 
@@ -4136,7 +4136,6 @@ void ClipperOffset::DoOffset(double delta)
       }
       else
       {
-        k = 1;
         m_sinA = 0;
         if (node.m_endtype == EndType::OpenSquare)
           DoSquare(0, 1);

src/Lib/terragear/tg_polygon.cxx

@@ -175,7 +175,6 @@ SGGeod InterpolateElevation( const SGGeod& dst_node, const SGGeod& start, const
     return SGGeod::fromDegM( dst_node.getLongitudeDeg(), dst_node.getLatitudeDeg(), dest_elevation );
 }
 
-
 void tgPolygon::InheritElevations( const tgPolygon& source )
 {
     UniqueSGGeodSet     src_nodes;