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IDProjectCategoryView StatusLast Update
0025249Open CASCADEOCCT:Meshpublic2019-09-06 16:17
Reporteroan Assigned Tooan  
PrioritynormalSeverityminor 
Status feedbackResolutionopen 
Target VersionUnscheduled 
Summary0025249: Some problematic cases from mesh tests have been uncovered during refactoring of BRepMesh
DescriptionDuring refactoring of main classes of BRepMesh package performed in context of 0023106 some bad cases have been faced during testing campaign.

Attachments contain faces extracted from that cases. In general, these shapes seems invalid, however BRepMesh should try to fix some common problems on its level to produce mesh anyway.
TagsNo tags attached.
Test case numberbugs vis buc60858; mesh standard_incmeshV4,C9; omf advanced_meshfuse ZD4

Attached Files

  • test_bugs_vis_buc60858.zip (17,981 bytes)
  • test_mesh_standard_incmesh_V4.zip (14,022 bytes)
  • test_mesh_standard_incmesh_C9_face63.brep (80,727 bytes)
  • test_omf_advanced_meshfuse_ZD4_face25.brep (4,422 bytes)

Relationships

related to 0026106 closedbugmaster BRepMesh - revision of data model 
child of 0023106 closedbugmaster BRepMesh_IncrementalMesh returns wrong status 

Activities

oan

2014-09-19 19:21

developer  

test_bugs_vis_buc60858.zip (17,981 bytes)

oan

2014-09-19 19:21

developer  

test_mesh_standard_incmesh_V4.zip (14,022 bytes)

oan

2014-09-19 19:21

developer  

test_mesh_standard_incmesh_C9_face63.brep (80,727 bytes)

oan

2014-09-19 19:21

developer  

test_omf_advanced_meshfuse_ZD4_face25.brep (4,422 bytes)

mkv

2017-08-03 17:21

tester   ~0069093

Problem described in issue is reproduced on current state of OCCT.

oan

2018-11-18 14:56

developer   ~0081161

Dear Mikhail,

All cases provided in context of this issue are invalid, e.g. contain wires with gaps covered by vertex tolerance, problematic geometry or topology.

However, the most of the cases attached here are meshed anyhow on current master with several exceptions.

test_mesh_standard_incmesh_V:
face139.brep
face156.brep
face79.brep

test_bugs_vis_buc60858:
face10.brep

Please make a decision regarding this issue, should we consider that the goals have been achieved as much as possible and close it?

msv

2018-11-30 17:17

developer   ~0081316

I agree with conclusion about the tests bugs vis buc60858, mesh standard_incmesh V4.

But the test mesh standard_incmesh C9 is bad and TODO refers to the closed bug 0023105. If the problem with free nodes is inevitable with such input shape then we should mark this error as REQUIRED.

Issue History

Date Modified Username Field Change
2014-09-19 19:20 oan New Issue
2014-09-19 19:20 oan Assigned To => oan
2014-09-19 19:21 oan File Added: test_bugs_vis_buc60858.zip
2014-09-19 19:21 oan File Added: test_mesh_standard_incmesh_V4.zip
2014-09-19 19:21 oan File Added: test_mesh_standard_incmesh_C9_face63.brep
2014-09-19 19:21 oan File Added: test_omf_advanced_meshfuse_ZD4_face25.brep
2014-09-19 19:22 oan Relationship added parent of 0023106
2014-09-19 19:22 oan Relationship deleted parent of 0023106
2014-09-19 19:22 oan Relationship added child of 0023106
2016-11-01 14:04 oan Relationship added related to 0026106
2017-08-03 17:21 mkv Test case number => bugs vis buc60858; mesh standard_incmeshV4,C9; omf advanced_meshfuse ZD4
2017-08-03 17:21 mkv Note Added: 0069093
2018-11-18 14:56 oan Note Added: 0081161
2018-11-18 14:56 oan Assigned To oan => msv
2018-11-18 14:56 oan Status new => feedback
2018-11-30 17:17 msv Note Added: 0081316
2018-11-30 17:17 msv Assigned To msv => oan
2019-09-06 16:17 oan Target Version => Unscheduled