$| = 1; # flush buffers after every write
-$do_demfit = 0;
-$do_triangle_1 = 0;
-$do_fixnode = 0;
-$do_splittris = 0;
+$do_demfit = 1;
+$do_triangle_1 = 1;
+$do_fixnode = 1;
+$do_splittris = 1;
$do_assemtris = 1;
+$do_triangle_2 = 1;
-$do_tri2obj = 0;
-$do_strips = 0;
-$do_fixobj = 0;
-
-
-# return the file name root (ending at last ".")
-sub file_root {
- my($file) = @_;
- my($pos);
-
- $pos = rindex($file, ".");
- return substr($file, 0, $pos);
-}
+$do_tri2obj = 1;
+$do_strips = 1;
+$do_fixobj = 1;
# set the FG_ROOT environment variable if it hasn't already been set.
}
-# 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 ( $error < 0.5 ) {
- die "I doubt you'll be happy with an error tolerance as low as $error.\n";
+ if ( $do_demfit ) {
+ demfit() ;
+ } else {
+ $subdir = "../Scenery/w100n040/w093n045";
+ 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 );
}
-# 2. dem2node $FG_ROOT dem_file tolerance^2 (meters)
+
+# exit normally
+exit(0);
+
+
+# return the file name root (ending at last ".")
+sub file_root {
+ my($file) = @_;
+ my($pos);
+
+ $pos = rindex($file, ".");
+ return substr($file, 0, $pos);
+}
+
+
+# 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
-if ( $do_demfit ) {
- $command = "./Dem2node/demfit $ENV{FG_ROOT} $dem_file $error";
+sub demfit {
+ if ( $dem_file =~ m/.gz$/ ) {
+ $command = "gzip -dc $dem_file | ./Dem2node/demfit $ENV{FG_ROOT} - $error";
+ } else {
+ $command = "./Dem2node/demfit $ENV{FG_ROOT} $dem_file $error";
+ }
print "Running '$command'\n";
}
}
close(OUT);
-} else {
- $subdir = "../Scenery/w120n030/w111n033";
- print "WARNING: Hardcoding subdir = $subdir\n";
-}
+}
+
-# 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)
print "Subdirectory for this dem file is $subdir\n";
-if ( $do_triangle_1 ) {
+sub triangle_1 {
@FILES = `ls $subdir`;
foreach $file ( @FILES ) {
print $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
-if ( $do_fixnode ) {
- $command = "./FixNode/fixnode $dem_file $subdir";
+sub fixnode {
+ if ( $dem_file =~ m/.gz$/ ) {
+ $command = "gzip -dc $dem_file | ./FixNode/fixnode - $subdir";
+ } else {
+ $command = "./FixNode/fixnode $dem_file $subdir";
+ }
print "Running '$command'\n";
open(OUT, "$command |");
while ( <OUT> ) {
# gets to define the edge verticies and normals. All the other
# adjacent tiles must use these.
-if ( $do_splittris ) {
+sub splittris {
@FILES = `ls $subdir`;
foreach $file ( @FILES ) {
chop($file);
# using the proper shared corners and edges. Save as a node file
# so we can retriangulate.
-if ( $do_assemtris ) {
+sub assemtris {
@FILES = `ls $subdir`;
foreach $file ( @FILES ) {
chop($file);
if ( $file =~ m/\.1\.body$/ ) {
- $file =~ s/\.body$//; # strip off the ".node"
+ $file =~ s/\.body$//; # strip off the ".body"
$command = "./AssemTris/assemtris $subdir/$file";
print "Running '$command'\n";
}
close(OUT);
}
+ unlink("$subdir/$file.body");
}
}
-# 4.3 Retriangulate fixed up files (without -q option)
+# 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 ( ($file =~ m/\.node$/) && ($file !~ m/\.\d\.node$/) ) {
+ $command = "./Triangle/triangle $subdir/$file";
+ print "Running '$command'\n";
+ open(OUT, "$command |");
+ while ( <OUT> ) {
+ print $_;
+ }
+ close(OUT);
+
+ # remove input file.node
+ unlink("$subdir/$file");
+ }
+ }
+}
# 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.
-if ( $do_tri2obj ) {
+sub tri2obj {
@FILES = `ls $subdir`;
foreach $file ( @FILES ) {
chop($file);
# 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
-if ( $do_strips ) {
+sub strips {
@FILES = `ls $subdir`;
foreach $file ( @FILES ) {
chop($file);
#
# Sort file.2.obj by strip winding
-if ( $do_fixobj ) {
+sub fixobj {
@FILES = `ls $subdir`;
foreach $file ( @FILES ) {
chop($file);
#---------------------------------------------------------------------------
# $Log$
+# 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.
#
projects / flightgear.git / blobdiff