From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Fri, 23 Nov 2018 20:09:50 +0000 (+0000)
Subject: distort-stl: debugging
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=reprap-play.git;a=commitdiff_plain;h=9b3087a6117d4143978dad2af8901be6de9bcd15;ds=sidebyside

distort-stl: debugging

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/distort-stl b/distort-stl
index b2f3bb1..bdbdd49 100755
--- a/distort-stl
+++ b/distort-stl
@@ -46,11 +46,22 @@ sub shift_arg () {
 
 sub maybe_subdivide_triangle ($$$$) {
     my ($t, $ok, $changed, $edge_need_subdivide_fn) = @_;
+
+    printf STDERR
+	"%11.6f,%11.6f,%11.6f / ".
+	"%11.6f,%11.6f,%11.6f / ".
+	"%11.6f,%11.6f,%11.6f ",
+		$t->[0][0], $t->[0][1], $t->[0][2],
+		$t->[1][0], $t->[1][1], $t->[1][2],
+		$t->[2][0], $t->[2][1], $t->[2][2];
     
     foreach my $ix (0..2) {
 	my $jx = ($ix+1) % 3;
 	my $kx = ($ix+2) % 3;
 	if ($edge_need_subdivide_fn->($t->[$ix], $t->[$jx])) {
+	    printf STDERR
+		" S i=%d j=%d k=%d \n",
+		$ix, $jx, $kx;
 	    my @midp;
 	    foreach my $ci (0..2) {
 		push @midp, 0.5 * ($t->[$ix][$ci] + $t->[$jx][$ci]);
@@ -64,6 +75,8 @@ sub maybe_subdivide_triangle ($$$$) {
 	}
     }
     push @$ok, $t;
+    printf STDERR "OK nok=%d nchanged=%d\n",
+	(scalar @$ok), (scalar @$changed);
 }
 
 sub maybe_subdivide ($) {