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0007570: Exception in ShapeFix_Wireframe::FixSmallEdges

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Exception fixed by checking if subshape removed completely.

Test-case for issue #7570
This commit is contained in:
pdn 2014-10-16 14:24:19 +04:00 committed by bugmaster
parent 256f9ac0ad
commit c60370656c
3 changed files with 45 additions and 5 deletions
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22
src/QABugs/QABugs_19.cxx
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@ -2861,6 +2861,27 @@ static Standard_Integer OCC25202 ( Draw_Interpretor& theDI,
return 0;
}
#include <ShapeFix_Wireframe.hxx>
//=======================================================================
//function : OCC7570
//purpose :
//=======================================================================
static Standard_Integer OCC7570 (Draw_Interpretor& di, Standard_Integer n, const char** a)
{
if (n != 2) {
di<<"Usage: "<<a[0]<<" invalid number of arguments"<<"\n";
return 1;
}
TopoDS_Shape in_shape (DBRep::Get (a[1]));
ShapeFix_Wireframe fix_tool (in_shape);
fix_tool.ModeDropSmallEdges () = Standard_True;
fix_tool.SetPrecision (1.e+6);
fix_tool.SetLimitAngle (0.01);
fix_tool.FixSmallEdges ();
TopoDS_Shape new_shape = fix_tool.Shape ();
return 0;
}
/*****************************************************************************/
void QABugs::Commands_19(Draw_Interpretor& theCommands) {
@ -2918,5 +2939,6 @@ void QABugs::Commands_19(Draw_Interpretor& theCommands) {
theCommands.Add ("OCC25043", "OCC25043 shape", __FILE__, OCC25043, group);
theCommands.Add ("OCC24606", "OCC24606 : Tests ::FitAll for V3d view ('vfit' is for NIS view)", __FILE__, OCC24606, group);
theCommands.Add ("OCC25202", "OCC25202 res shape numF1 face1 numF2 face2", __FILE__, OCC25202, group);
theCommands.Add ("OCC7570", "OCC7570 shape", __FILE__, OCC7570, group);
return;
}

15
src/ShapeFix/ShapeFix_Wireframe.cxx
View File

@ -426,16 +426,21 @@ ShapeFix_Wireframe::ShapeFix_Wireframe(const TopoDS_Shape& shape)
TopoDS_Shape res;
if ( cont.IsBound ( shape1 ) )
{
res = cont.Find ( shape1 ).Oriented ( shape1.Orientation() );
res = cont.Find ( shape1 ).Oriented ( shape1.Orientation() );
}
else
{
myShape = shape1;
FixSmallEdges();
res = Shape();
cont.Bind(myShape,res);
myShape = shape1;
FixSmallEdges();
res = Shape();
cont.Bind(myShape,res);
}
if ( ! res.IsSame ( shape1 ) ) locModified = Standard_True;
//check if resulting shape if not empty
if( res.IsNull())
continue;
res.Location ( L );
B.Add ( C, res );

13
tests/bugs/heal/bug7570 Normal file
View File

@ -0,0 +1,13 @@
puts "======="
puts "OCC7570"
puts "======="
puts ""
##################################################
# Exception in ShapeFix_Wireframe::FixSmallEdges
##################################################
pload QAcommands
restore [locate_data_file bug7570_small.brep] a
OCC7570 a