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IDProjectCategoryView StatusDate SubmittedLast Update
0031426Open CASCADE[OCCT] OCCT:Modeling Algorithmspublic2020-03-11 20:582020-03-11 21:05
Reporterkgv 
Assigned Tomsv 
PrioritynormalSeverityminor 
StatusnewResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 7.4.0 
Target Version[OCCT] 7.5.0*Fixed in Version 
Summary0031426: Modeling Algorithms - out of range within HLRBRep_PolyAlgo
DescriptionTest case hlr/poly_hlr/bug23625_1 crashes on regerenated triangulation with out of range exception. Probably range checks are missing within HLRBRep_PolyAlgo and it might be BRepMesh generating broken Poly_PolygonOnTriangulation.
Steps To Reproduce
test hlr poly_hlr bug23625_1 1
vclear
tclean a
incmesh a 7.6 12
vdisplay a
vcomputehlr a result -algoType polyAlgo


Result:
** Exception ** 000001D93DB39C30 : OSD_Exception_ACCESS_VIOLATION: ACCESS VIOLATION at address 0x000001D8551439B8 
during 'READ' operation


Within debugger at line
> const Handle(HLRAlgo_PolyInternalNode)* pi1p2 =
      &(((HLRAlgo_Array1OfPINod*)PINod1)->ChangeValue(Pol1(nbPol)));

HPol[0] has size 3 and HPol[1] has size 2.
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- Issue History
Date Modified Username Field Change
2020-03-11 20:58 kgv New Issue
2020-03-11 20:58 kgv Assigned To => msv
2020-03-11 21:05 kgv Relationship added related to 0023625
2020-03-11 21:05 kgv Relationship added related to 0031425


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