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IDProjectCategoryView StatusDate SubmittedLast Update
0030700Open CASCADE[OCCT] OCCT:Visualizationpublic2019-05-07 14:212019-05-15 15:36
Reporterkgv 
Assigned Toiko 
PrioritynormalSeverityfeature 
StatusassignedResolutionopen 
PlatformOSOS Version
Product Version 
Target Version[OCCT] 7.4.0*Fixed in Version 
Summary0030700: Visualization, TKOpenGl - support PBR Metallic-Roughness shading model
DescriptionIt is desired supporting PBR Metallic-Roughness shading model defined by glTF format specification for properly displaying such models in 3D Viewer.
TagsNo tags attached.
Test case number
Attached Files

- Relationships
related to 0029902assignedkgv Open CASCADE Data Exchange, XCAF - provide extended Material definition for visualization purposes 
related to 0030691resolvedabv Open CASCADE Data Exchange - implement import of mesh data from files in glTF format 
related to 0029528assignedmnv Open CASCADE Visualization, TKOpenGl - allow defining sRGB textures 
related to 0029516newkgv Open CASCADE Visualization - eliminate redundant property Graphic3d_MaterialAspect::ReflectionMode() 
related to 0030126newkgv Open CASCADE Visualization, OpenGl_ShaderManager - define standard Lighting & Clipping within custom GLSL programs as template functions 
related to 0030631newkgv Open CASCADE Visualization - Vulkan graphic driver prototype 

-  Notes
(0084371)
kgv (developer)
2019-05-15 15:36

Useful threads related to light sources definition merged as KHR_lights_punctual extension to glTF 2.0:

https://github.com/KhronosGroup/glTF/blob/master/extensions/2.0/Khronos/KHR_lights_punctual/README.md [^]
https://github.com/KhronosGroup/glTF/issues/945 [^]
https://github.com/KhronosGroup/glTF/pull/1223 [^]

- Issue History
Date Modified Username Field Change
2019-05-07 14:21 kgv New Issue
2019-05-07 14:21 kgv Assigned To => kgv
2019-05-07 14:21 kgv Assigned To kgv => iko
2019-05-07 14:21 kgv Status new => assigned
2019-05-07 14:22 kgv Relationship added related to 0029902
2019-05-07 14:23 kgv Relationship added related to 0030691
2019-05-07 14:24 kgv Relationship added related to 0029528
2019-05-07 14:26 kgv Relationship added related to 0029516
2019-05-07 14:27 kgv Relationship added related to 0030126
2019-05-07 14:27 kgv Relationship added related to 0030631
2019-05-07 14:27 kgv Relationship added related to 0029298
2019-05-15 15:36 kgv Note Added: 0084371


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