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IDProjectCategoryView StatusDate SubmittedLast Update
0031865Open CASCADE[OCCT] OCCT:Meshpublic2020-10-20 15:232020-10-20 15:46
Reporterkgv 
Assigned Tooan 
PrioritynormalSeverityminor 
StatusnewResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 7.4.0 
Target Version[OCCT] 7.6.0*Fixed in Version 
Summary0031865: Mesh - triangulation fails with large deflection values due to unhandled Standard_OutOfRange, BRepMesh_PairOfIndex::Append()
DescriptionAttached face cannot be triangulated due to unhandled Standard_OutOfRange, BRepMesh_PairOfIndex::Append() exception.

The issue is reproducible since OCCT 7.4.0 (earlier versions produced 49 or 51 triangles, which is probably exhaustive but not empty)
Steps To Reproduce
pload MODELING VISUALIZATION
restore bug31865.brep b
tclean b
tclean b; incmesh b 0.2 -algo watson; trinfo b
#tclean b; incmesh b 0.2; trinfo b
# KO - 0 triangles without any error
tclean b; incmesh b 0.2 -algo delabella; trinfo b
checktrinfo b -tri 1
# OK - 1 triangle
vinit View1
vdefaults -autoTriang 0
vdisplay -dispMode 1 b
vfit
TagsNo tags attached.
Test case number
Attached Files? file icon bug31865.brep (8,522 bytes) 2020-10-20 15:40

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- Issue History
Date Modified Username Field Change
2020-10-20 15:23 kgv New Issue
2020-10-20 15:23 kgv Assigned To => oan
2020-10-20 15:40 kgv Product Version 7.5.0 => 7.4.0
2020-10-20 15:40 kgv Summary Mesh - triangulation fails due to unhandled gp_VectorWithNullMagnitude => Mesh - triangulation fails with large deflection values due to unhandled gp_VectorWithNullMagnitude
2020-10-20 15:40 kgv Description Updated View Revisions
2020-10-20 15:40 kgv Steps to Reproduce Updated View Revisions
2020-10-20 15:40 kgv File Added: bug31865.brep
2020-10-20 15:40 kgv Steps to Reproduce Updated View Revisions
2020-10-20 15:46 kgv Summary Mesh - triangulation fails with large deflection values due to unhandled gp_VectorWithNullMagnitude => Mesh - triangulation fails with large deflection values due to unhandled Standard_OutOfRange, BRepMesh_PairOfIndex::Append()
2020-10-20 15:46 kgv Description Updated View Revisions

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