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IDProjectCategoryView StatusDate SubmittedLast Update
0025249Open CASCADE[OCCT] OCCT:Meshpublic2014-09-19 19:202018-11-30 17:17
Reporteroan 
Assigned Tooan 
PrioritynormalSeverityminor 
StatusfeedbackResolutionopen 
PlatformOSOS Version
Product Version 
Target VersionFixed in Version 
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 Fileszip file icon test_bugs_vis_buc60858.zip (17,981 bytes) 2014-09-19 19:21
zip file icon test_mesh_standard_incmesh_V4.zip (14,022 bytes) 2014-09-19 19:21
? file icon test_mesh_standard_incmesh_C9_face63.brep (80,727 bytes) 2014-09-19 19:21
? file icon test_omf_advanced_meshfuse_ZD4_face25.brep (4,422 bytes) 2014-09-19 19:21

- Relationships
child of 0023106closedbugmaster Open CASCADE BRepMesh_IncrementalMesh returns wrong status 

-  Notes
(0069093)
mkv (tester)
2017-08-03 17:21

Problem described in issue is reproduced on current state of OCCT.
(0081161)
oan (developer)
2018-11-18 14:56

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?
(0081316)
msv (developer)
2018-11-30 17:17

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


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