$| = 1; # flush buffers after every write
+$do_dem2node = 0;
+$do_triangle_1 = 0;
+$do_fixnode = 0;
+$do_splittris = 0;
+$do_assemtris = 0;
+$do_triangle_2 = 0;
-# return the file name root (ending at last ".")
-sub file_root {
- my($file) = @_;
- my($pos);
-
- $pos = rindex($file, ".");
- return substr($file, 0, $pos);
-}
+$do_tri2obj = 0;
+$do_strips = 0;
+$do_fixobj = 1;
# set the FG_ROOT environment variable if it hasn't already been set.
if ( $ENV{FG_ROOT} eq "" ) {
# look for a file called fgtop as a place marker
- if ( -e "fgtop" ) {
- $ENV{FG_ROOT} = ".";
- } elsif ( -e "../fgtop" ) {
- $ENV{FG_ROOT} = "..";
- }
+ die "You must remember to set the FG_ROOT environment variable!\n";
}
-# 1. Start with file.dem
+if ( $#ARGV < 1 ) {
+ die "Usage: $0 <error^2> dem-file1 [ dem-file2 dem-file3 ... ]\n";
+}
+
+# Start with file.dem
-$dem_file = shift(@ARGV);
$error = shift(@ARGV);
$error += 0.0;
-print "Source file = $dem_file Error tolerance = $error\n";
+while ( $dem_file = shift(@ARGV) ) {
+ print "Source file = $dem_file Error tolerance = $error\n";
+
+ if ( $error < 0.5 ) {
+ die "I doubt you'll be happy with an error tolerance as " .
+ "low as $error.\n";
+ }
+
+
+ if ( $do_dem2node ) {
+ dem2node() ;
+ } else {
+ $subdir = "../Scenery/w120n030/w111n033";
+ print "WARNING: Hardcoding subdir = $subdir\n";
+ }
+
+ triangle_1() if ( $do_triangle_1 );
+ fixnode() if ( $do_fixnode );
+ splittris() if ( $do_splittris );
+ assemtris() if ( $do_assemtris );
+ triangle_2() if ( $do_triangle_2);
+ tri2obj() if ( $do_tri2obj );
+ strips() if ( $do_strips );
+ fixobj() if ( $do_fixobj );
+}
+
+
+# exit normally
+exit(0);
-if ( $error < 0.5 ) {
- die "I doubt you'll be happy with an error tolerance as low as $error.\n";
+
+# fix command to work with windoze, replaces first "/" with "\\"
+sub fix_command {
+ my($in) = @_;
+
+ $system = `uname -s`;
+ chop($system);
+
+ if ( $system =~ m/CYGWIN32/ ) {
+ $in =~ s/\//\\\\/;
+ }
+
+ return($in);
+}
+
+
+# return the file name root (ending at last ".")
+sub file_root {
+ my($file) = @_;
+ my($pos);
+
+ $pos = rindex($file, ".");
+ return substr($file, 0, $pos);
}
-# 2. dem2node $FG_ROOT dem_file tolerance^2 (meters)
+
+# 1. dem2node $FG_ROOT dem_file tolerance^2 (meters)
#
# - dem2node .. dem_file 160000
#
# splits dem file into 64 file.node's which contain the
# irregularly fitted vertices
-$command = "./Dem2node/demfit $ENV{FG_ROOT} $dem_file $error";
-
-print "Running '$command'\n";
-
-open(OUT, "$command |");
-while ( <OUT> ) {
- print $_;
- if ( m/Scenery/ ) {
- $subdir = $_;
- $subdir =~ s/Dir = //;
+sub dem2node {
+ $command = "Dem2node/dem2node $ENV{FG_ROOT} $dem_file $error";
+ $command = fix_command($command);
+ print "Running '$command'\n";
+
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ if ( m/^Dir = / ) {
+ $subdir = $_;
+ $subdir =~ s/^Dir = //;
+ chop($subdir);
+ }
}
-}
-close(OUT);
+ close(OUT);
+}
-# 3. triangle -q file (Takes file.node and produces file.1.node and
+# 2. triangle -q file (Takes file.node and produces file.1.node and
# file.1.ele)
-$subdir = "../Scenery/w120n030/w111n033";
print "Subdirectory for this dem file is $subdir\n";
-@FILES = `ls $subdir`;
-foreach $file ( @FILES ) {
- print $file;
- chop($file);
- if ( ($file =~ m/\.node$/) && ($file !~ m/\.\d\.node$/) ) {
- $command = "./Triangle/triangle -q $subdir/$file";
- print "Running '$command'\n";
- open(OUT, "$command |");
- while ( <OUT> ) {
- print $_;
+sub triangle_1 {
+ @FILES = `ls $subdir`;
+ foreach $file ( @FILES ) {
+ print $file;
+ chop($file);
+ if ( ($file =~ m/\.node$/) && ($file !~ m/\.\d\.node$/) ) {
+ $command = "Triangle/triangle -q $subdir/$file";
+ $command = fix_command($command);
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
+
+ # remove input file.node
+ unlink("$subdir/$file");
}
- close(OUT);
-
- # remove input file.node
- unlink("$subdir/$file");
}
}
-# 4. fixnode file.dem subdir
+# 3. fixnode file.dem subdir
#
# Take the original .dem file (for interpolating Z values) and the
# subdirecotry containing all the file.1.node's and replace with
# fixed file.1.node
-$command = "./FixNode/fixnode $dem_file $subdir";
-print "Running '$command'\n";
-open(OUT, "$command |");
-while ( <OUT> ) {
- print $_;
+sub fixnode {
+ $command = "FixNode/fixnode $dem_file $subdir";
+ $command = fix_command($command);
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
}
-close(OUT);
-# 5. tri2obj file (.1.node)
-#
-# Take the file.1.node and file.1.ele and produce file.1.obj
+# 4.1 splittris file (.1.node) (.1.ele)
+
+# Extract the corner, edge, and body vertices (in original
+# geodetic coordinates) and normals (in cartesian coordinates) and
+# save them in something very close to the .obj format as file.se,
+# 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.
+
+sub splittris {
+ @FILES = `ls $subdir`;
+ foreach $file ( @FILES ) {
+ chop($file);
+ if ( $file =~ m/\.1\.node$/ ) {
+ $file =~ s/\.node$//; # strip off the ".node"
+
+ $command = "SplitTris/splittris $subdir/$file";
+ $command = fix_command($command);
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
+
+ unlink("$subdir/$file.node");
+ unlink("$subdir/$file.node.orig");
+ unlink("$subdir/$file.ele");
+ }
+ }
+}
+
+
+# 4.2 read in the split of version of the tiles, reconstruct the tile
+# using the proper shared corners and edges. Save as a node file
+# so we can retriangulate.
+
+sub assemtris {
+ @FILES = `ls $subdir`;
+ foreach $file ( @FILES ) {
+ chop($file);
+ if ( $file =~ m/\.1\.body$/ ) {
+ $file =~ s/\.body$//; # strip off the ".body"
+
+ $command = "AssemTris/assemtris $subdir/$file";
+ $command = fix_command($command);
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
+ }
+ unlink("$subdir/$file.body");
+ }
+}
+
-@FILES = `ls $subdir`;
-foreach $file ( @FILES ) {
- chop($file);
- if ( $file =~ m/\.1\.node$/ ) {
- $file =~ s/\.node$//; # strip off the ".node"
-
- $command = "./Tri2obj/tri2obj $subdir/$file";
- print "Running '$command'\n";
- open(OUT, "$command |");
- while ( <OUT> ) {
- print $_;
+# 4.3 Retriangulate reassembled files (without -q option) so no new
+# nodes are generated.
+
+sub triangle_2 {
+ @FILES = `ls $subdir`;
+ foreach $file ( @FILES ) {
+ print $file;
+ chop($file);
+ if ( ($file =~ m/\.node$/) && ($file !~ m/\.\d\.node$/) ) {
+ $base = $file;
+ $base =~ s/\.node$//;
+ print("Test for $subdir/$base.q\n");
+ if ( -r "$subdir/$base.q" ) {
+
+ # if triangle hangs, we can create a filebase.q for
+ # the file it hung on. Then, we test for that file
+ # here which causes the incremental algorithm to run
+ # (which shouldn't ever hang.)
+
+ $command = "Triangle/triangle -i $subdir/$file";
+ } else {
+ $command = "Triangle/triangle $subdir/$file";
+ }
+ $command = fix_command($command);
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
+
+ # remove input file.node
+ unlink("$subdir/$file");
}
- close(OUT);
+ }
+}
- unlink("$subdir/$file.node");
- unlink("$subdir/$file.node.orig");
- unlink("$subdir/$file.ele");
+# 5. tri2obj file (.1.node) (.1.ele)
+#
+# Take the file.1.node and file.1.ele and produce file.1.obj
+#
+# Extracts normals out of the shared edge/vertex files, and uses
+# the precalcuated normals for these nodes instead of calculating
+# new ones. By sharing normals as well as vertices, not only are
+# the gaps between tiles eliminated, but the colors and lighting
+# transition smoothly across tile boundaries.
+
+sub tri2obj {
+ @FILES = `ls $subdir`;
+ foreach $file ( @FILES ) {
+ chop($file);
+ if ( $file =~ m/\.1\.node$/ ) {
+ $file =~ s/\.node$//; # strip off the ".node"
+
+ $command = "Tri2obj/tri2obj $subdir/$file";
+ $command = fix_command($command);
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
+
+ unlink("$subdir/$file.node");
+ unlink("$subdir/$file.node.orig");
+ unlink("$subdir/$file.ele");
+ }
}
}
# 6. strip file.1.obj
#
-# Strip the file.1.obj's
+# Strip the file.1.obj's. Note, strips doesn't handle the minimal
+# case of striping a square correctly.
#
# 7. cp bands.d file.2.obj
#
# strips produces a file called "bands.d" ... copy this to file.2.obj
-@FILES = `ls $subdir`;
-foreach $file ( @FILES ) {
- chop($file);
- if ( $file =~ m/\.1\.obj$/ ) {
- $command = "./Stripe_u/strips $subdir/$file";
- print "Running '$command'\n";
- open(OUT, "$command |");
- while ( <OUT> ) {
- print $_;
- }
- close(OUT);
-
- # copy to destination file
- $newfile = $file;
- $newfile =~ s/\.1\.obj$//;
- print "Copying to $subdir/$newfile.2.obj\n";
- open(IN, "<bands.d");
- open(OUT, ">$subdir/$newfile.2.obj");
- while ( <IN> ) {
- print OUT $_;
+sub strips {
+ @FILES = `ls $subdir`;
+ foreach $file ( @FILES ) {
+ chop($file);
+ if ( $file =~ m/\.1\.obj$/ ) {
+ $command = "Stripe_u/strips $subdir/$file";
+ $command = fix_command($command);
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
+
+ # copy to destination file
+ $newfile = $file;
+ $newfile =~ s/\.1\.obj$//;
+ print "Copying to $subdir/$newfile.2.obj\n";
+ open(IN, "<bands.d");
+ open(OUT, ">$subdir/$newfile.2.obj");
+ while ( <IN> ) {
+ print OUT $_;
+ }
+ close(IN);
+ close(OUT);
+
+ unlink("$subdir/$file");
}
- close(IN);
- close(OUT);
-
- unlink("$subdir/$file");
}
}
#
# Sort file.2.obj by strip winding
-@FILES = `ls $subdir`;
-foreach $file ( @FILES ) {
- chop($file);
- if ( $file =~ m/\.2\.obj$/ ) {
- $newfile = $file;
- $newfile =~ s/\.2\.obj$/.obj/;
-
- $command = "./FixObj/fixobj $subdir/$file $subdir/$newfile";
- print "Running '$command'\n";
- open(OUT, "$command |");
- while ( <OUT> ) {
- print $_;
+sub fixobj {
+ @FILES = `ls $subdir`;
+ foreach $file ( @FILES ) {
+ chop($file);
+ if ( $file =~ m/\.2\.obj$/ ) {
+ $newfile = $file;
+ $newfile =~ s/\.2\.obj$/.obj/;
+
+ $command = "FixObj/fixobj $subdir/$file $subdir/$newfile";
+ $command = fix_command($command);
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
+
+ # unlink("$subdir/$file");
}
- close(OUT);
-
- unlink("$subdir/$file");
}
}
#---------------------------------------------------------------------------
# $Log$
+# Revision 1.18 1998/05/20 20:55:40 curt
+# Makefile tweaks
+#
+# Revision 1.17 1998/04/28 01:23:25 curt
+# Added a work around so that we can get past the "triangle" program
+# hanging, by aborting and rerunning with that tile marked to use the "-i"
+# option.
+#
+# Revision 1.16 1998/04/18 03:57:53 curt
+# Added zlib library support.
+#
+# Revision 1.15 1998/04/08 23:24:07 curt
+# Adopted Gnu automake/autoconf system.
+#
+# Revision 1.14 1998/04/06 21:09:38 curt
+# Additional win32 support.
+# Fixed a bad bug in dem file parsing that was causing the output to be
+# flipped about x = y.
+#
+# Revision 1.13 1998/03/19 02:52:52 curt
+# Updated to reflect some minor tool reorganization and the creation of class
+# to handle DEM processing needs.
+#
+# Revision 1.12 1998/03/19 01:48:35 curt
+# Added gpc-2.01 (generic polygon clipping library)
+#
+# Revision 1.11 1998/03/03 03:36:57 curt
+# Cumulative tweaks.
+#
+# Revision 1.10 1998/02/01 03:42:26 curt
+# Modifications to handle compressed dem files.
+#
+# Revision 1.9 1998/01/27 18:36:54 curt
+# Lots of updates to get back in sync with changes made over in .../Src/
+#
+# Revision 1.8 1998/01/21 17:59:05 curt
+# Uncomment lines to remove several intermediate files.
+#
+# Revision 1.7 1998/01/19 19:51:06 curt
+# A couple final pre-release tweaks.
+#
+# Revision 1.6 1998/01/15 21:33:33 curt
+# Assembling triangles and building a new .node file with the proper shared
+# vertices now works. Now we just have to use the shared normals and we'll
+# be all set.
+#
+# Revision 1.5 1998/01/15 02:50:08 curt
+# Tweaked to add next stage.
+#
+# Revision 1.4 1998/01/14 15:55:34 curt
+# Finished splittris, started assemtris.
+#
+# 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.
+#
# Revision 1.1 1998/01/09 23:06:46 curt
# Initial revision.
#
projects / flightgear.git / blobdiff