difference between picked color and color in material rendering mode #32513

Closed
opened 2012-09-08 12:37:42 +02:00 by mat ali · 5 comments

%%%Scene with a sun and default cube, orthographic view.
For an unknown reason, the picked color for a material, is different from the one shown in viewport with perfect white, intensity 1 and orthogonal sun light. Worse, BI solid, Cycles material and cycles rendered viewport modes all gives different result with the same settings. ( despite there is no shadow or Ambient occlusion or whatever and world is perfect black).
It makes it really hard to fine tune colors, rendered viewport is really slow, it would be nice to have a mode where the picked color is exactly what we see in viewport (kind of unschaded mode) and exactly what we get in cycles in perfect conditions ( no shadows/AO, light orthogonal to polygon and intensity 1).
To not brake compatibility in rendered mode, maybe let an old color mode available.
Adjusting "Solid Opengl lights" in user preferences -> system helps to have a more genuine color rendering but never gives exact results.%%%

%%%Scene with a sun and default cube, orthographic view. For an unknown reason, the picked color for a material, is different from the one shown in viewport with perfect white, intensity 1 and orthogonal sun light. Worse, BI solid, Cycles material and cycles rendered viewport modes all gives different result with the same settings. ( despite there is no shadow or Ambient occlusion or whatever and world is perfect black). It makes it really hard to fine tune colors, rendered viewport is really slow, it would be nice to have a mode where the picked color is exactly what we see in viewport (kind of unschaded mode) and exactly what we get in cycles in perfect conditions ( no shadows/AO, light orthogonal to polygon and intensity 1). To not brake compatibility in rendered mode, maybe let an old color mode available. Adjusting "Solid Opengl lights" in user preferences -> system helps to have a more genuine color rendering but never gives exact results.%%%
Author

Changed status to: 'Open'

Changed status to: 'Open'
Author

%%%only assigning a color under BI will give a color in cycles texture/solid mode. Worse, if the color is then changed in cycles, only the old color from BI shows up, real color is only visible in material view mode.%%%

%%%only assigning a color under BI will give a color in cycles texture/solid mode. Worse, if the color is then changed in cycles, only the old color from BI shows up, real color is only visible in material view mode.%%%

%%%Regarding your last comment, in Cycles there is a separate Viewport Color in the Settings panel.

I fixed an issue now where it would not show the right color in Material draw mode for Cycles. That makes it match better with GLSL mode for Blender internal. These are both different from Solid draw mode because the latter can't take into account Color Management, since it relies on the fixed function OpenGL pipeline, so the lighting will work differently.

A mode where you can see the model without lighting could be useful, but that's a feature request, not a bug. With Cycles the Emission node will give you such a result.%%%

%%%Regarding your last comment, in Cycles there is a separate Viewport Color in the Settings panel. I fixed an issue now where it would not show the right color in Material draw mode for Cycles. That makes it match better with GLSL mode for Blender internal. These are both different from Solid draw mode because the latter can't take into account Color Management, since it relies on the fixed function OpenGL pipeline, so the lighting will work differently. A mode where you can see the model without lighting could be useful, but that's a feature request, not a bug. With Cycles the Emission node will give you such a result.%%%

Changed status from 'Open' to: 'Resolved'

Changed status from 'Open' to: 'Resolved'
Author

%%%Hi Brecht,
Thanks a lot for the quick fix and answer. Don't forget to have a break sometime ;)
I didn't knew about the viewport color thing that directly expose the material.diffusecolor, sorry for that, i was always switching to BI :D
If i have enough time, i'll make a python script copy the rgb value of all cycles diffuse materials to the viewport color, really helpfull for quick color setup of a scene.
Thanks again :)%%%

%%%Hi Brecht, Thanks a lot for the quick fix and answer. Don't forget to have a break sometime ;) I didn't knew about the viewport color thing that directly expose the material.diffusecolor, sorry for that, i was always switching to BI :D If i have enough time, i'll make a python script copy the rgb value of all cycles diffuse materials to the viewport color, really helpfull for quick color setup of a scene. Thanks again :)%%%
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Reference: blender/blender#32513
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