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0029780: [REGRESSION] Shape Healing - Operator FixShape failed with exception

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Method ShapeFix_Wire::FixNotchedEdges() is corrected to handle the case of closed notched edges: on such edges split parameter may fall to wrong end of the curve due to projection.
This commit is contained in:
gka 2019-09-16 16:59:52 +03:00 committed by bugmaster
parent cbaac5de6d
commit 258a844b63
3 changed files with 25 additions and 12 deletions
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4
src/Draw/Draw_BasicCommands.cxx
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@ -490,7 +490,7 @@ static unsigned int __stdcall CpuFunc (void * /*param*/)
aTimer.Stop();
if (IsDebuggerPresent())
{
std::cout << "ERROR: CPU limit (" << CPU_LIMIT << " sec) has been reached but ignored because of attached Debugger" << std::endl;
std::cout << "Info: CPU limit (" << CPU_LIMIT << " sec) has been reached but ignored because of attached Debugger" << std::endl;
return 0;
}
else
@ -504,7 +504,7 @@ static unsigned int __stdcall CpuFunc (void * /*param*/)
aTimer.Stop();
if (IsDebuggerPresent())
{
std::cout << "ERROR: Elapsed limit (" << CPU_LIMIT << " sec) has been reached but ignored because of attached Debugger" << std::endl;
std::cout << "Info: Elapsed limit (" << CPU_LIMIT << " sec) has been reached but ignored because of attached Debugger" << std::endl;
return 0;
}
else

21
src/ShapeFix/ShapeFix_Wire.cxx
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@ -3225,12 +3225,21 @@ Standard_Boolean ShapeFix_Wire::FixNotchedEdges()
Handle(Geom2d_Curve) c2d;
Standard_Real a, b;
sae.PCurve ( splitE, face, c2d, a, b, Standard_True );
Standard_Real ppar = (isRemoveFirst ? b : a);
ShapeBuild_Edge sbe;
TopAbs_Orientation orient = splitE.Orientation();
if ( Abs(param - ppar) > ::Precision::PConfusion() ) {
//pdn perform splitting of the edge and adding to wire
// check whether the whole edges should be removed - this is the case
// when split point coincides with the end of the edge;
// for closed edges split point may fall at the other end (see issue #0029780)
if (Abs(param - (isRemoveFirst ? b : a)) <= ::Precision::PConfusion() ||
(sae.IsClosed3d(splitE) && Abs(param - (isRemoveFirst ? a : b)) <= ::Precision::PConfusion()))
{
FixDummySeam(n1);
// The seam edge is removed from the list. So, need to step back to avoid missing of edge processing
i--;
}
else // perform splitting of the edge and adding to wire
{
//pdn check if it is necessary
if( Abs((isRemoveFirst ? a : b)-param) < ::Precision::PConfusion() ) {
continue;
@ -3286,12 +3295,6 @@ Standard_Boolean ShapeFix_Wire::FixNotchedEdges()
FixDummySeam(isRemoveLast ? NbEdges() : toRemove);
myLastFixStatus |= ShapeExtend::EncodeStatus ( ShapeExtend_DONE2 );
}
else
{
FixDummySeam(n1);
// The seam edge is removed from the list. So, need to step back to avoid missing of edge processing
i--;
}
i--;
if(!Context().IsNull()) //skl 07.03.2002 for OCC180

10
tests/bugs/step/bug29780 Normal file
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@ -0,0 +1,10 @@
puts "========================"
puts "0029780 "
puts "========================"
stepread [locate_data_file bug29780.stp] a *
checkshape a_1
checknbshapes a_1 -shell 1 -face 244
checkview -display result -2d -path ${imagedir}/${test_image}.png