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IDProjectCategoryView StatusDate SubmittedLast Update
0025925Open CASCADE[OCCT] OCCT:Modeling Algorithmspublic2015-03-13 10:302018-07-02 10:41
Reportermsv 
Assigned Toemv 
PrioritynormalSeverityminor 
StatusassignedResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 6.9.0 
Target Version[OCCT] UnscheduledFixed in Version 
Summary0025925: BRepOffset_MakeOffset works unstable for faces containing seam edges
DescriptionThe algorithm of offset shape (BRepOffset_MakeOffset) works unstable when a shape contains a face with seam edge.

The cause of the issue is that the algorithm used to make loops of new faces from offset edges (BRepAlgo_Loop) cannot correctly work when on input it has a seam edge in the set of edges, and this edge occurs to be the starting of the loop.

It is proposed to use instead another more stable algorithm of building loops that is used in new Boolean operations.
Steps To Reproducebugs modalg_2 bug5805_19,bug5805_41,bug5805_42,bug5805_43
offset faces_type_a A3,A4,A9
TagsNo tags attached.
Test case number
Attached Files

- Relationships

-  Notes
(0038315)
msv (developer)
2015-03-13 12:17

Dear emv, please check the state of this bug after development of related #25926.
(0077186)
msv (developer)
2018-07-02 10:41

The test cases offset faces_type_a A3,A4,A9 became OK with the patch for #29861.

- Issue History
Date Modified Username Field Change
2015-03-13 10:30 msv New Issue
2015-03-13 10:30 msv Assigned To => msv
2015-03-13 12:16 msv Relationship added related to 0025926
2015-03-13 12:17 msv Note Added: 0038315
2015-03-13 12:17 msv Assigned To msv => emv
2015-03-13 12:17 msv Status new => assigned
2015-03-13 13:51 shoogen Note Added: 0038318
2015-03-13 14:11 shoogen Note Deleted: 0038318
2018-07-02 10:41 msv Note Added: 0077186


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