3DPrinting/PrusaSlicer-NonPlainar
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Merge pull request #361 from beanz/fix-issue-357

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Fix for issue #357 - uninitialized value errors relating to facet_edge values
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Alessandro Ranellucci 2012-05-11 00:51:59 -07:00
commit 44c5c5be5b
1 changed files with 3 additions and 1 deletions
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4
lib/Slic3r/TriangleMesh.pm
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@ -196,7 +196,9 @@ sub make_loops {
# if two lines start at this point, one being a 'top' facet edge and the other being a 'bottom' one,
# then remove the top one and those following it (removing the top or the bottom one is an arbitrary
# choice)
if (@lines_starting_here == 2 && join('', sort map $_->[I_FACET_EDGE], @lines_starting_here) eq FE_TOP.FE_BOTTOM) {
# The "// ''" on the next line avoids uninitialized value errors mentioned in issue #357 but these
# errors occur on fixed models so the root cause still needs to be found
if (@lines_starting_here == 2 && join('', sort map $_->[I_FACET_EDGE] // '', @lines_starting_here) eq FE_TOP.FE_BOTTOM) {
my @to_remove = grep $_->[I_FACET_EDGE] == FE_TOP, @lines_starting_here;
while (!grep defined $_->[I_B_ID] && $_->[I_B_ID] == $to_remove[-1]->[I_B_ID] && $_ ne $to_remove[-1], @lines) {
push @to_remove, grep defined $_->[I_A_ID] && $_->[I_A_ID] == $to_remove[-1]->[I_B_ID], @lines;