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IDProjectCategoryView StatusDate SubmittedLast Update
0025845Open CASCADE[OCCT] OCCT:VISpublic2015-02-19 13:292017-07-27 09:43
Reporterssv 
Assigned Toaba 
PrioritynormalSeverityminor 
StatusassignedResolutionopen 
PlatformOSOS Version
Product Version 
Target Version[OCCT] 7.4.0*Fixed in Version 
Summary0025845: Surface normals to be associated with polygonal source
DescriptionCurrently in IVtk it is not possible to use original geometric normals in triangulation nodes. These normals are required in order to enhance visualization smoothness. Currently IVtk client code is forced to use vtkPolyDataNormals filter in couple with Phong/Gouraud shading mode, but this does not help much (see screenshot attached).

Once fixed, the official user's guide on IVtk has to be reviewed (I think, currently it contains some notes on necessity to use vtkPolyDataNormals).
TagsNo tags attached.
Test case number
Attached Filespng file icon shading_02.png (29,940 bytes) 2015-02-19 13:29
? file icon l_face.brep (126,760 bytes) 2015-02-19 13:29

- Relationships

-  Notes
(0038375)
git (administrator)
2015-03-15 21:42

Branch CR25845 has been created by aba.

SHA-1: 3ee95aaf00209af3b870acdcdd3f8eea005717ae


Detailed log of new commits:

Author: aba
Date: Sun Mar 15 21:41:50 2015 +0300

    0025845: Surface normals to be associated with polygonal source:
    - IVtkDraw: added ivtkproperty command
    - IVtkDraw: added vtkPolyDataNormals filter for cells as default
(0038398)
git (administrator)
2015-03-16 15:55

Branch CR25845 has been updated by aba.

SHA-1: be6a1626cf4bf7c1012c69d5680f2d4d5d88d557


Detailed log of new commits:

Author: aba
Date: Mon Mar 16 15:54:54 2015 +0300

    get normals from OCC polydata

(0040069)
abv (manager)
2015-04-21 06:05

What is the status of this issue? is it going to be fixed in OCCT 6.9.0?

- Issue History
Date Modified Username Field Change
2015-02-19 13:29 ssv New Issue
2015-02-19 13:29 ssv Assigned To => san
2015-02-19 13:29 ssv File Added: shading_02.png
2015-02-19 13:29 ssv File Added: l_face.brep
2015-03-09 18:34 aba Assigned To san => aba
2015-03-15 21:42 git Note Added: 0038375
2015-03-16 15:55 git Note Added: 0038398
2015-04-21 06:05 abv Note Added: 0040069
2015-04-21 08:00 aba Status new => assigned
2015-04-21 08:00 aba Target Version 6.9.0 => 7.1.0
2016-11-01 06:41 abv Target Version 7.1.0 => 7.2.0
2017-07-27 09:43 abv Target Version 7.2.0 => 7.4.0*


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