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IDProjectCategoryView StatusDate SubmittedLast Update
0027393Open CASCADE[OCCT] OCCT:Visualizationpublic2016-04-15 12:482020-08-28 14:35
Assigned Tokgv 
PlatformOSOS Version
Product Version[OCCT] 7.0.0 
Target Version[OCCT] 7.6.0*Fixed in Version 
Summary0027393: Visualization, TKOpenGl - use transform persistence mechanism with OpenGl_Text instead of internal matrix transformations
DescriptionNow OpenGl_Text performs own matrix transformations, and there's no possibility to use transform persistence (Graphic3d_TransformPers) to obtain needed text behavior. This also means that other OpenGl elements( those that work with model-view and transformation matrices) are not applicable to OpenGl_Text object.

OpenGl_Text::Render() method is to be improved:
- own transformations that make some persistence is to be redirected to transform persistence
- making possible to use previous model-view and projection states. It allows to use other OpenGl elements like flipping.
TagsNo tags attached.
Test case number
Attached Files

- Relationships
related to 0026641closedbugmaster Open CASCADE Visualization, TKOpenGl - handle correctly transformation persistence within perspective projection 
related to 0027728closedbugmaster Open CASCADE Visualization, OpenGl_Text - handle correctly object local transformation 
related to 0030850closedbugmaster Open CASCADE Visualization, OpenGl_Text - text within trihedron persistence jitters when camera is far from origin 

-  Notes
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- Issue History
Date Modified Username Field Change
2016-04-15 12:48 aba New Issue
2016-04-15 12:48 aba Assigned To => kgv
2016-04-15 12:50 aba Relationship added related to 0027359
2016-04-15 12:53 aba Relationship added related to 0026641
2016-07-29 13:06 kgv Relationship added related to 0027728
2016-10-25 09:33 kgv Target Version 7.1.0 => 7.2.0
2017-07-20 10:50 kgv Target Version 7.2.0 => 7.4.0
2019-07-17 23:39 kgv Relationship added related to 0030850
2019-09-04 15:54 abv Target Version 7.4.0 => 7.5.0
2020-08-28 14:35 kgv Target Version 7.5.0 => 7.6.0*

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