distort-stl: debugging

[reprap-play.git] / distort-stl

diff --git a/distort-stl b/distort-stl
index dd430c9e452663b9aafcabdd7dc0abc3dfaf5ae7..bdbdd49c42db60fbbee7a3514c79736c86970ca7 100755 (executable)
--- a/distort-stl
+++ b/distort-stl
@@ -46,23 +46,37 @@ 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])) {
+       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][$ci]);
            }
            # triangle i-j-k, splitting edge i-m
            # gives    i-m-k, k-m-j
            push @$changed,
-               [ $t[$ix], \@midp, $t[kx] ],
-               [ $t[$kx], \@midp, $t[jx] ];
+               [ $t->[$ix], \@midp, $t->[$kx] ],
+               [ $t->[$kx], \@midp, $t->[$jx] ];
            return;
        }
     }
     push @$ok, $t;
+    printf STDERR "OK nok=%d nchanged=%d\n",
+       (scalar @$ok), (scalar @$changed);
 }
 
 sub maybe_subdivide ($) {
@@ -121,7 +135,7 @@ sub op__project_cylinder () {
     $project_cylinder_radius = shift_arg;
     $project_cylinder_max_d_theta = $fa * TAU/360;
 
-    maybe_subdivide \&project_cylinder_triangle_need_subdivide;
+    maybe_subdivide \&project_cylinder_edge_need_subdivide;
     
     $output = [];
     foreach my $t (@$triangles) {