Updated front end script to keep plugging away on tile fitting.

Tools/TODO

@@ -1,6 +1,17 @@
-- Try reversing cw-wound strips rather than calling glFrontFace() in the 
+--------------------------------------------------------------------------
-  display list.
+| Done
+--------------------------------------------------------------------------
 
-- Generate a face adjacency matrix
+1/10/98 -  Split areas into smaller tiles
 
-- Split areas into smaller chunks
+
+--------------------------------------------------------------------------
+| Todo 
+--------------------------------------------------------------------------
+
+1/12/98 -  Try reversing cw-wound strips rather than calling glFrontFace() 
+           in the display list.
+
+1/12/98 -  Generate a face adjacency matrix
+
+1/12/98 -  Don't create shared corners or edges if one already exists.

Tools/process-dem.pl

@@ -28,6 +28,15 @@
 
 $| = 1;                         # flush buffers after every write
 
+$do_demfit = 0;
+$do_triangle_1 = 0;
+$do_fixnode = 0;
+$do_splittris = 1;
+
+$do_tri2obj = 0;
+$do_strips = 0;
+$do_fixobj = 0;
+
 
 # return the file name root (ending at last ".")
 sub file_root {
@@ -69,6 +78,7 @@ if ( $error < 0.5 ) {
 #     splits dem file into 64 file.node's which contain the
 #     irregularly fitted vertices
 
+if ( $do_demfit ) {
     $command = "./Dem2node/demfit $ENV{FG_ROOT} $dem_file $error";
 
     print "Running '$command'\n";
@@ -82,7 +92,7 @@ while ( <OUT> ) {
 	}
     }
     close(OUT);
-
+}
 
 # 3.  triangle -q file (Takes file.node and produces file.1.node and
 #                      file.1.ele)
@@ -90,6 +100,7 @@ close(OUT);
 $subdir = "../Scenery/w120n030/w111n033";
 print "Subdirectory for this dem file is $subdir\n";
 
+if ( $do_triangle_1 ) {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	print $file;
@@ -107,7 +118,7 @@ foreach $file ( @FILES ) {
 	    unlink("$subdir/$file");
 	}
     }
-
+}
 
 # 4.  fixnode file.dem subdir
 #
@@ -115,6 +126,7 @@ foreach $file ( @FILES ) {
 #     subdirecotry containing all the file.1.node's and replace with
 #     fixed file.1.node
 
+if ( $do_fixnode ) {
     $command = "./FixNode/fixnode $dem_file $subdir";
     print "Running '$command'\n";
     open(OUT, "$command |");
@@ -122,22 +134,32 @@ while ( <OUT> ) {
 	print $_;
     }
     close(OUT);
+}
 
 
-# 4.1 findedges file (.1.node) (.1.ele)
+# 4.1 splittris file (.1.node) (.1.ele)
 
-#     Extract the edge vertices (in original geodetic coordinates) and
+#     Extract the corner, edge, and body vertices (in original
-#     normals (in cartesian coordinates) and save them in something
+#     geodetic coordinates) and normals (in cartesian coordinates) and
-#     very close to the .obj format as file.north, file.south,
+#     save them in something very close to the .obj format as file.se,
-#     file.east file.west.
+#     file.sw, file.nw, file.ne, file.north, file.south, file.east,
+#     file.west, and file.body.  This way we can reconstruct the
+#     region using consistant edges and corners.  
 
+#     Arbitration rules: If an opposite edge file already exists,
+#     don't create our matching edge.  If a corner already exists,
+#     don't create ours.  Basically, the early bird gets the worm and
+#     gets to define the edge verticies and normals.  All the other
+#     adjacent tiles must use these.
+
+if ( $do_splittris ) {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
 	if ( $file =~ m/\.1\.node$/ ) {
 	    $file =~ s/\.node$//;  # strip off the ".node"
 	
-	$command = "./FindEdges/findedges $subdir/$file";
+	    $command = "./SplitTris/splittris $subdir/$file";
 	    print "Running '$command'\n";
 	    open(OUT, "$command |");
 	    while ( <OUT> ) {
@@ -146,12 +168,10 @@ foreach $file ( @FILES ) {
 	    close(OUT);
 	}
     }
+}
 
 
-exit(1);
+# 4.2 read in tile sections/ele) skipping edges, read edges out of
-
-
-# 4.2 read in tri files (node/ele) skipping edges, read edges out of
 #     edge files, save including proper shared edges (as node/ele)
 #     files.  If my edge and adjacent edge both exist, use other,
 #     delete mine.  If only mine exists, use it.
@@ -164,6 +184,7 @@ exit(1);
 #
 #     Take the file.1.node and file.1.ele and produce file.1.obj
 
+if ( $do_tri2obj ) {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
@@ -183,6 +204,7 @@ foreach $file ( @FILES ) {
 	    unlink("$subdir/$file.ele");
 	}
     }
+}
 
 
 # 6.  strip file.1.obj
@@ -193,6 +215,7 @@ foreach $file ( @FILES ) {
 #
 #     strips produces a file called "bands.d" ... copy this to file.2.obj
 
+if ( $do_strips ) {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
@@ -220,12 +243,14 @@ foreach $file ( @FILES ) {
 	    unlink("$subdir/$file");
 	}
     }
+}
 
 
 # 8.  fixobj file-new
 #
 #     Sort file.2.obj by strip winding
 
+if ( $do_fixobj ) {
     @FILES = `ls $subdir`;
     foreach $file ( @FILES ) {
 	chop($file);
@@ -244,10 +269,14 @@ foreach $file ( @FILES ) {
 	    unlink("$subdir/$file");
 	}
     }
+}
 
 
 #---------------------------------------------------------------------------
 # $Log$
+# Revision 1.3  1998/01/14 02:15:52  curt
+# Updated front end script to keep plugging away on tile fitting.
+#
 # Revision 1.2  1998/01/12 20:42:08  curt
 # Working on fitting tiles together in a seamless manner.
 #