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IDProjectCategoryView StatusDate SubmittedLast Update
0028500Open CASCADE[OCCT] OCCT:Meshpublic2017-03-01 19:112020-08-28 15:51
Reportermsv 
Assigned Tooan 
PrioritynormalSeverityminor 
StatusnewResolutionopen 
PlatformOSOS Version
Product Version[OCCT] 7.1.0 
Target Version[OCCT] 7.6.0*Fixed in Version 
Summary0028500: Artifact in shaded view of the shape
DescriptionDuring meshing with BRepMesh of the attached shape the algorithm reports OpenWire meshing status. This results in artifact displayed in shaded view in the form of a green line (see the picture).
Actually the faces for which the status OpenWire is reported are valid faces. It is needed to teach BRepMesh produce triangles for such faces, even if they are degenerated in a line, in order to produce conform mesh.
Steps To Reproducerestore shape_mesh_artifact.brep a
incmesh a 0.01
TagsNo tags attached.
Test case numberbugs mesh bug28500
Attached Files? file icon shape_mesh_artifact.brep (60,209 bytes) 2017-03-01 19:11
png file icon mesh_pb.PNG (15,383 bytes) 2017-03-01 19:12

- Relationships
parent of 0031043closedoan GCPnts_TangentialDeflection generates points which number is inconsistent with MinimumOfPoints parameter 

-  Notes
(0064068)
oan (developer)
2017-03-02 11:18

 DC,

It would be easy to try to implement custom processing of cases consisting of two edges which ends are covered by vertex tolerances after integration of 0026106 as far it allows processing and modification of wires and particular edges.
(0064073)
msv (developer)
2017-03-02 12:30

 I agree.
(0070125)
mkv (tester)
2017-08-31 16:18

 Problem described in issue is reproduced on current state of OCCT.
(0088331)
git (administrator)
2019-10-19 19:23

 Branch CR28500 has been created by oan.

SHA-1: 845785da4787cc0f8781cd6c79bec110a75d7744


Detailed log of new commits:

Author: oan
Date: Sat Oct 19 19:22:38 2019 +0300

    0028500: Artifact in shaded view of the shape
    increase minimum number of discretization points by one explicitly on each iteration of model healer to cover cases degenerated to line
(0088339)
git (administrator)
2019-10-20 00:42

 Branch CR28500 has been updated by oan.

SHA-1: f92206a61a77ff4420d6387404a04f900e0e2779


Detailed log of new commits:

Author: oan
Date: Sun Oct 20 00:41:48 2019 +0300

    # modified test case
(0088340)
git (administrator)
2019-10-20 00:44

 Branch CR28500 has been updated forcibly by oan.

SHA-1: a66a5d097c396d3140e98c52bb66f047a039eeb6
(0088394)
git (administrator)
2019-10-21 19:36

 Branch CR28500 has been updated forcibly by oan.

SHA-1: 9dfde6c9b3b6b8605e33febf5cc14db6e9661df8
(0088407)
git (administrator)
2019-10-22 12:06

 Branch CR28500 has been updated by oan.

SHA-1: 18d60a72fc7b7573973c385d5df6e320cea2c3b7


Detailed log of new commits:

Author: oan
Date: Tue Oct 22 11:28:49 2019 +0300

    # updated test cases
(0088634)
git (administrator)
2019-10-28 13:49

 Branch CR28500 has been updated forcibly by oan.

SHA-1: af5ac75fa762e7026ee7c8e04a6a6876b9e1be63
(0088659)
git (administrator)
2019-10-30 12:09

 Branch CR28500_1 has been created by oan.

SHA-1: 3c7e218e18aa3c2ef01354bc61d7b0cfb47bd2a0


Detailed log of new commits:

Author: oan
Date: Wed Oct 30 12:08:19 2019 +0300

    0028500: Artifact in shaded view of the shape increase minimum number of discretization points by one explicitly on each iteration of model healer to cover cases degenerated to line
(0088775)
git (administrator)
2019-11-07 13:03

 Branch CR28500_1 has been updated forcibly by oan.

SHA-1: 0d5b7b80e0305729e0818a21fefe16c6c7242395

- Issue History
Date Modified Username Field Change
2017-03-01 19:11 msv New Issue
2017-03-01 19:11 msv Assigned To => oan
2017-03-01 19:11 msv File Added: shape_mesh_artifact.brep
2017-03-01 19:12 msv File Added: mesh_pb.PNG
2017-03-02 11:18 oan Note Added: 0064068
2017-03-02 12:30 msv Note Added: 0064073
2017-07-20 12:43 oan Target Version 7.2.0 => 7.3.0
2017-08-31 16:18 mkv Test case number => bugs mesh bug28500
2017-08-31 16:18 mkv Note Added: 0070125
2018-02-25 23:12 abv Target Version 7.3.0 => 7.4.0
2019-09-06 16:16 oan Target Version 7.4.0 => 7.5.0
2019-10-07 18:59 oan Relationship added parent of 0031043
2019-10-19 19:23 git Note Added: 0088331
2019-10-20 00:42 git Note Added: 0088339
2019-10-20 00:44 git Note Added: 0088340
2019-10-21 19:36 git Note Added: 0088394
2019-10-22 12:06 git Note Added: 0088407
2019-10-28 13:49 git Note Added: 0088634
2019-10-30 12:09 git Note Added: 0088659
2019-11-07 13:03 git Note Added: 0088775
2020-08-28 15:51 oan Target Version 7.5.0 => 7.6.0*

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