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0023351: [CEA 1955] Crash if filling has only one edge

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imn 2016-09-15 12:57:33 +03:00
parent 4605007378
commit d3c209c26f
2 changed files with 10 additions and 4 deletions
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1
doc/salome/gui/GEOM/input/creating_filling.doc
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@ -10,6 +10,7 @@ following parameters:
of the surface. You can select either several edges/wires or a
compound of them. To prepare for the filling, each input wire
is converted into a single BSpline curve by concatenating its edges.
List of edges/wires must contain more than one edge.
\n \b Minimum and <b>Maximum Degree</b> of equation of the resulting
BSpline or Besier curves describing the surface.
\n \b Tolerance for \b 2D and for \b 3D - minimum distance between the

13
src/GEOMImpl/GEOMImpl_FillingDriver.cxx
View File

@ -176,7 +176,7 @@ Standard_Integer GEOMImpl_FillingDriver::Execute(LOGBOOK& log) const
Standard_Integer aMethod = IF.GetMethod();
GeomFill_SectionGenerator Section;
Standard_Integer i = 0;
Standard_Integer aNumSection = 0;
Handle(Geom_Curve) aLastC;
gp_Pnt PL1,PL2;
for (Ex.Init(aShape, TopAbs_EDGE); Ex.More(); Ex.Next()) {
@ -198,7 +198,7 @@ Standard_Integer GEOMImpl_FillingDriver::Execute(LOGBOOK& log) const
C->Reverse();
}
else if (aMethod == 2) {
if (i == 0) {
if (aNumSection == 0) {
PL1 = P1;
PL2 = P2;
}
@ -218,12 +218,17 @@ Standard_Integer GEOMImpl_FillingDriver::Execute(LOGBOOK& log) const
}
Section.AddCurve(C);
i++;
aNumSection++;
}
/* a 'tolerance' is used to compare 2 knots : see GeomFill_Generator.cdl */
Section.Perform(Precision::PConfusion());
Handle(GeomFill_Line) Line = new GeomFill_Line(i);
//imn: to fix the bug 23351: "Crash is filling has only one edge"
//after fix related occt bug 27875 must be removed
if (aNumSection < 2) {
Standard_ConstructionError::Raise("Input must contain more than one edge");
}
Handle(GeomFill_Line) Line = new GeomFill_Line(aNumSection);
GeomFill_AppSurf App (mindeg, maxdeg, tol3d, tol2d, nbiter); /* user parameters */
App.Perform(Line, Section);