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Maniphest T44874

Shadow only bug: shadow color
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Description

System Information
windows7 64
ASUS ATI Radeon HD6870

Blender Version
Broken: (All)
Worked: (None)

Short description of error


Exact steps for others to reproduce the error

shadows only test.blend581 KBDownload

open this file, select rendered shading mode - we will not see color of shadow

Event Timeline

Alexey (Inwader77) created this task.May 28 2015, 8:58 PM
Alexey (Inwader77) raised the priority of this task from to 90.
Alexey (Inwader77) updated the task description. (Show Details)
Alexey (Inwader77) added a project: Render Pipeline.
Alexey (Inwader77) edited a custom field.
Alexey (Inwader77) added a subscriber: Alexey (Inwader77).
Alexey (Inwader77) added a comment.May 28 2015, 9:12 PM

P.S. this bug is active for render, for rendered shading mode and for bake full render.
Baking shadow - it is special case, i will write about it in next report.

Aaron Carlisle (Blendify) added a project: BF Blender.May 30 2015, 2:04 AM
Aaron Carlisle (Blendify) added a subscriber: Aaron Carlisle (Blendify).
perfection cat (sindra1961) added a subscriber: perfection cat (sindra1961).May 30 2015, 4:58 AM

'Shadows Only' is drawn based on Alpha of Transparency.
It is set to 0 with the blend file which you attached.
I think that this is the same as not drawing a shadow.
I think that it is easy to distinguish it if you change Shadow color of Lamp into a different color.
However, something may be wrong because Shadow is drawn black even if you set Alpha of Transparency to 1.

Brecht Van Lommel (brecht) changed the task status from Unknown Status to Unknown Status.EditedMay 30 2015, 3:05 PM
Brecht Van Lommel (brecht) claimed this task.
Brecht Van Lommel (brecht) added a subscriber: Brecht Van Lommel (brecht).

Indeed, the shadow is converted to transparency. But Blender Internal (and the compositor, image editor, ..) does not supported colored transparency, it only has a single monochrome alpha channel, so the color would be lost. In fact nearly all image file formats ad image viewers do not support colored transparency either. So I don't think we can consider this a bug.