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0030477: Visualization - crash in AIS_Manipulator::ObjectTransformation after using V3d_View::SetProj(V3d_Zpos)

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kgv 2019-02-11 12:01:40 +03:00 committed by apn
parent 2bda8346dc
commit 5ac0f98974
1 changed files with 4 additions and 1 deletions
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5
src/AIS/AIS_Manipulator.cxx
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@ -493,6 +493,7 @@ Standard_Boolean AIS_Manipulator::ObjectTransformation (const Standard_Integer t
const gp_Lin aLine (myStartPosition.Location(), myAxes[myCurrentIndex].Position().Direction());
Extrema_ExtElC anExtrema (anInputLine, aLine, Precision::Angular());
if (!anExtrema.IsDone()
|| anExtrema.IsParallel()
|| anExtrema.NbExt() != 1)
{
// translation cannot be done co-directed with camera
@ -538,7 +539,9 @@ Standard_Boolean AIS_Manipulator::ObjectTransformation (const Standard_Integer t
const gp_Pnt aPosLoc = myStartPosition.Location();
const gp_Ax1 aCurrAxis = getAx1FromAx2Dir (myStartPosition, myCurrentIndex);
IntAna_IntConicQuad aIntersector (anInputLine, gp_Pln (aPosLoc, aCurrAxis.Direction()), Precision::Angular(), Precision::Intersection());
if (!aIntersector.IsDone() || aIntersector.NbPoints() < 1)
if (!aIntersector.IsDone()
|| aIntersector.IsParallel()
|| aIntersector.NbPoints() < 1)
{
return Standard_False;
}