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0027331: Not valid result on translating the file

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Added processing of a short segments of a seam edge.

Test case added.
This commit is contained in:
anv 2016-04-29 12:31:22 +03:00 committed by bugmaster
parent aa1b48c7dd
commit 4613a51fd4
2 changed files with 18 additions and 5 deletions
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11
src/ShapeFix/ShapeFix_ComposeShell.cxx
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@ -1594,7 +1594,7 @@ void ShapeFix_ComposeShell::SplitByLine (ShapeFix_SequenceOfWireSegment &wires,
// merge null-length tangential segments into one-point tangencies or intersections
for ( i = 1; i < SplitLinePar.Length(); i++ ) {
if ( Abs ( SplitLinePar(i+1) - SplitLinePar(i) ) > ::Precision::PConfusion() ) continue;
if ( Abs ( SplitLinePar(i+1) - SplitLinePar(i) ) > ::Precision::PConfusion() && !SplitLineVertex(i).IsSame(SplitLineVertex(i+1)) ) continue;
if ( ( SplitLineCode(i) & ITP_ENDSEG &&
SplitLineCode(i+1) & ITP_BEGSEG ) ||
( SplitLineCode(i) & ITP_BEGSEG &&
@ -1615,7 +1615,7 @@ void ShapeFix_ComposeShell::SplitByLine (ShapeFix_SequenceOfWireSegment &wires,
Standard_Integer tanglevel = 0; // tangency nesting level
for ( i = 1; i <= SplitLinePar.Length(); i++ ) {
Standard_Integer code = SplitLineCode(i);
Standard_Boolean interior = ( ! tanglevel && parity % 2 ); // create an edge
Standard_Boolean interior = ( !tanglevel && parity % 2 ); // create an edge
if ( code & ITP_INTER ) { // crossing
parity++;
}
@ -2221,9 +2221,10 @@ void ShapeFix_ComposeShell::CollectWires (ShapeFix_SequenceOfWireSegment &wires,
wire->Reverse ( myFace );
sbwd->Add ( wire );
}
if ( seg.Orientation() == TopAbs_EXTERNAL )
seg.Orientation ( reverse ? TopAbs_REVERSED : TopAbs_FORWARD );
else seg.Orientation ( TopAbs_INTERNAL );
if ( seg.Orientation() == TopAbs_EXTERNAL )
seg.Orientation ( reverse ? TopAbs_REVERSED : TopAbs_FORWARD );
else
seg.Orientation ( TopAbs_INTERNAL );
seqw.SetValue ( index, seg );
}
else if ( sbwd.IsNull() ) break; // stop when no free segments available

12
tests/bugs/heal/bug27331 Normal file
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@ -0,0 +1,12 @@
puts "======="
puts "OCC27331"
puts "======="
puts ""
#####################################################################
## FixMissingSeam gives wrong result
#####################################################################
restore [locate_data_file OCC27331.brep] shape
fixshape result shape 1.e-7 1
checkshape result