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0026098: The result of General Fuse operation is self-interfered shape

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class BOPTools_AlgoTools
method static Standard_Real IntersectCurves2d(const gp_Pnt& aPV,
                                const TopoDS_Face& aF,
                                const Handle(Geom_Surface)& aS,
                                const TopoDS_Edge& aE1,
                                const TopoDS_Edge& aE2)
Check the validity of the 2d intersection before applying the result.

Test case for issue CR26098
This commit is contained in:
emv 2015-04-23 16:59:22 +03:00 committed by bugmaster
parent 75d1222c2f
commit 681cfe76b0
2 changed files with 56 additions and 2 deletions
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14
src/BOPTools/BOPTools_AlgoTools_1.cxx
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@ -610,7 +610,7 @@ Standard_Real IntersectCurves2d(const gp_Pnt& aPV,
const TopoDS_Edge& aE1, const TopoDS_Edge& aE1,
const TopoDS_Edge& aE2) const TopoDS_Edge& aE2)
{ {
Standard_Real aDist, aD, aT11, aT12, aT21, aT22, aTol2d; Standard_Real aDist, aD, aT11, aT12, aT21, aT22, aTol2d, aT1, aT2;
Standard_Integer j, aNbPnt; Standard_Integer j, aNbPnt;
Geom2dInt_GInter aInter; Geom2dInt_GInter aInter;
gp_Pnt aP; gp_Pnt aP;
@ -639,7 +639,17 @@ Standard_Real IntersectCurves2d(const gp_Pnt& aPV,
if (aNbPnt) { if (aNbPnt) {
aDist = -Precision::Infinite(); aDist = -Precision::Infinite();
for (j = 1; j <= aNbPnt; ++j) { for (j = 1; j <= aNbPnt; ++j) {
aP2D = aInter.Point(j).Value(); const IntRes2d_IntersectionPoint& aPoint = aInter.Point(j);
//
aT1 = aPoint.ParamOnFirst();
aT2 = aPoint.ParamOnSecond();
//
if ((aT1 < aT11 || aT1 > aT12) ||
(aT2 < aT21 || aT2 > aT22)) {
continue;
}
//
aP2D = aPoint.Value();
aS->D0(aP2D.X(), aP2D.Y(), aP); aS->D0(aP2D.X(), aP2D.Y(), aP);
aD=aPV.SquareDistance(aP); aD=aPV.SquareDistance(aP);
if (aD > aDist) { if (aD > aDist) {

44
tests/bugs/modalg_6/bug26098 Executable file
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@ -0,0 +1,44 @@
puts "============"
puts "OCC26098"
puts "============"
puts ""
###############################
## The result of General Fuse operation is self-interfered shape
###############################
restore [locate_data_file bug26098_c.brep ] c
explode c
bclearobjects
bcleartools
baddobjects c_1
baddtools c_2 c_3 c_4 c_5
bfillds
bbuild result
set info [bopcheck result]
if { [regexp "This shape seems to be OK" ${info}] != 1 } {
puts "Error : The result of General Fuse operation is self-interfered shape"
}
set square 173.444
set nbshapes_expected "
Number of shapes in shape
VERTEX : 230
EDGE : 400
WIRE : 196
FACE : 185
SHELL : 20
SOLID : 20
COMPSOLID : 0
COMPOUND : 1
SHAPE : 1052
"
checknbshapes result -ref ${nbshapes_expected} -t -m "Result obtained by General Fuse operator"
set 3dviewer 1