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0026481: Incorrect result of BRepOffsetAPI_MakeOffset: excess hanging arcs in the open result with join type GeomAbs_Arc

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Test-case for issue #26481
This commit is contained in:
jgv 2015-07-29 16:10:53 +03:00 committed by bugmaster
parent 7321e9fb9a
commit 016dfb16ba
2 changed files with 34 additions and 0 deletions
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18
src/BRepFill/BRepFill_OffsetWire.cxx
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@ -811,6 +811,24 @@ void BRepFill_OffsetWire::PerformWithBiLo
} }
} }
//Remove possible hanging arcs on vertices
if (myIsOpenResult && myJoinType == GeomAbs_Arc)
{
if (!myMap.IsEmpty() &&
myMap.FindKey(1).ShapeType() == TopAbs_VERTEX)
{
//myMap.RemoveFirst();
TopoDS_Shape LastShape = myMap.FindKey(myMap.Extent());
TopTools_ListOfShape LastList;
LastList.Append(myMap(myMap.Extent()));
myMap.RemoveLast();
if (!myMap.IsEmpty())
myMap.Substitute(1, LastShape, LastList);
}
if (!myMap.IsEmpty() &&
myMap.FindKey(myMap.Extent()).ShapeType() == TopAbs_VERTEX)
myMap.RemoveLast();
}
#ifdef OCCT_DEBUG #ifdef OCCT_DEBUG
#ifdef DRAW #ifdef DRAW

16
tests/bugs/modalg_6/bug26481 Normal file
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@ -0,0 +1,16 @@
puts "========"
puts "OCC26481"
puts "========"
puts ""
###################################################################################################################
# Incorrect result of BRepOffsetAPI_MakeOffset: excess hanging arcs in the open result with join type GeomAbs_Arc
###################################################################################################################
smallview
restore [locate_data_file OCC26481-linesarc.brep] a
fit
openoffset r a 4 10.
fit
set only_screen_axo 1