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0032964: Modeling Algorithms - 2d Offset sometimes 'split' straight edges

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Implemented avoiding force cut of an edge in case of simple edge (that contains just 1 curve).
This commit is contained in:
astromko 2024-05-17 08:58:06 +00:00 committed by jfa
parent 17d27a772d
commit 9c84b526cd
3 changed files with 18 additions and 2 deletions
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4
src/BRepFill/BRepFill_OffsetWire.cxx
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@ -1198,7 +1198,9 @@ void BRepFill_OffsetWire::PrepareSpine()
// Cut // Cut
TopoDS_Shape aLocalShape = E.Oriented(TopAbs_FORWARD); TopoDS_Shape aLocalShape = E.Oriented(TopAbs_FORWARD);
// Modified by Sergey KHROMOV - Thu Nov 16 17:29:29 2000 Begin // Modified by Sergey KHROMOV - Thu Nov 16 17:29:29 2000 Begin
if (nbEdges == 2 && nbResEdges == 0) Handle(BRep_TEdge) TEdge = Handle(BRep_TEdge)::DownCast(E.TShape());
const Standard_Integer aNumCurvesInEdge = TEdge->Curves().Size();
if (nbEdges == 2 && nbResEdges == 0 && aNumCurvesInEdge > 1)
ForcedCut = 1; ForcedCut = 1;
// Modified by Sergey KHROMOV - Thu Nov 16 17:29:33 2000 End // Modified by Sergey KHROMOV - Thu Nov 16 17:29:33 2000 End
nbResEdges = CutEdge (TopoDS::Edge(aLocalShape), mySpine, ForcedCut, Cuts); nbResEdges = CutEdge (TopoDS::Edge(aLocalShape), mySpine, ForcedCut, Cuts);

2
tests/bugs/modalg_5/bug25704_6
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@ -17,7 +17,7 @@ if [catch { openoffset resoffset a 5 5 i } ] {
checkshape result checkshape result
checksection result checksection result
checknbshapes result -vertex 4 -edge 3 -wire 1 -face 0 -shell 0 -solid 0 -compsolid 0 -compound 0 -shape 8 checknbshapes result -vertex 3 -edge 2 -wire 1 -face 0 -shell 0 -solid 0 -compsolid 0 -compound 0 -shape 6
} }
smallview smallview

14
tests/bugs/modalg_8/bug32964 Normal file
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@ -0,0 +1,14 @@
puts "============="
puts "0032964: Modeling Algorithms - 2d Offset sometimes 'split' straight edges"
puts "============="
pload MODELING
vertex p1 -90 40 0
vertex p2 40 40 0
vertex p3 40 -90 0
edge e1 p1 p2
edge e2 p2 p3
wire w1 e1 e2
openoffset oo w1 1 40
checknbshapes oo_1 -vertex 3 -edge 2 -wire 1 -shape 6
checkview -display oo_1 -2d -path ${imagedir}/${test_image}.png