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0026251: Section curve cannot be found

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Current algorithm ignores found triangles intersection (IntPolyh_PMaillageAffinage) and, consequently, cannot find start point for intersection line. Branch fixes this problem.

Test case for issue CR26251

Modified test case

Small correction of test case for issue CR26251
This commit is contained in:
nbv 2015-09-03 14:54:29 +03:00 committed by bugmaster
parent 27f850863b
commit 4b0cab06c1
3 changed files with 47 additions and 4 deletions
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2
src/IntPolyh/IntPolyh_Intersection.cxx
View File

@ -89,7 +89,7 @@ void IntPolyh_Intersection::Perform() {
isAdvDone = PerformAdv(aPMaillageFF,aPMaillageFR,aPMaillageRF,aPMaillageRR,nbCouplesAdv);
// advanced interference found
if(isAdvDone && nbCouplesAdv > 10) {
if(isAdvDone && nbCouplesAdv > 0) {
aPMaillageFF->StartPointsChain(TSectionLines,TTangentZones);
aPMaillageFR->StartPointsChain(TSectionLines,TTangentZones);
aPMaillageRF->StartPointsChain(TSectionLines,TTangentZones);

6
src/IntPolyh/IntPolyh_Intersection_1.cxx
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@ -87,7 +87,7 @@ void IntPolyh_Intersection::Perform(const TColStd_Array1OfReal& Upars1,
aPMaillageRR,nbCouplesAdv);
// advanced interference found
if(isAdvDone && nbCouplesAdv > 10) {
if(isAdvDone && nbCouplesAdv > 0) {
aPMaillageFF->StartPointsChain(TSectionLines,TTangentZones);
aPMaillageFR->StartPointsChain(TSectionLines,TTangentZones);
aPMaillageRF->StartPointsChain(TSectionLines,TTangentZones);
@ -171,7 +171,7 @@ Standard_Boolean IntPolyh_Intersection::PerformMaillage(const Standard_Boolean i
(FinTTC >= theMaillageS->GetArrayOfTriangles(1).NbTriangles() ||
FinTTC >= theMaillageS->GetArrayOfTriangles(2).NbTriangles()) ) {
return Standard_False;
}
}
*/
//IFV test for parallel surf
if(FinTTC > 200) {
@ -250,7 +250,7 @@ Standard_Boolean IntPolyh_Intersection::PerformMaillage(const TColStd_Array1OfRe
(FinTTC >= theMaillageS->GetArrayOfTriangles(1).NbTriangles() ||
FinTTC >= theMaillageS->GetArrayOfTriangles(2).NbTriangles()) ) {
return Standard_False;
}
}
*/
//IFV test for parallel surf
if(FinTTC > 200) {

43
tests/bugs/modalg_6/bug26251 Executable file
View File

@ -0,0 +1,43 @@
puts "============"
puts "OCC26251"
puts "============"
puts ""
###############################
## Section curve cannot be found
###############################
restore [locate_data_file bug26251_b31_3.brep] b1
restore [locate_data_file bug26251_tank31.brep] b2
bsection result b1 b2
set length 2.49934
set nbshapes_expected "
Number of shapes in shape
VERTEX : 3
EDGE : 2
WIRE : 0
FACE : 0
SHELL : 0
SOLID : 0
COMPSOLID : 0
COMPOUND : 1
SHAPE : 6
"
checknbshapes result -ref ${nbshapes_expected} -t -m "Section curve"
explode b2 f
copy b2_5 b2
set NbCurves 0
set log [bopcurves b1 b2 -2d]
regexp {Tolerance Reached=+([-0-9.+eE]+)\n+([-0-9.+eE]+)} ${log} full Toler NbCurves
if {$NbCurves == 0} {
puts "Error: Intersection curve is not found"
}
set 3dviewer 1