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Current stable version: 0.1.1
Blend material running wild from .1.1 over 471/473 to 513
Sun, 07/02/2010 - 01:41 — heretic
| Project: | YafaRay |
| Version: | 0.1.x |
| Component: | Code |
| Category: | bug report |
| Priority: | critical |
| Assigned: | Unassigned |
| Status: | active |
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Description
Blended two glass amterials with different IOR (see attached blend). All rendered with the exact same blend file.
The results vary greatly from last stable (.1.1) over 471/473 to 513 (see attached renders)
remark:
- that weird clear circle spot in the middle is hunting me through all yafaray versions to a minor or major extent.
- by adusting the blend procedural texture I can make the circle in the middle less visible - sometimes even get rid of it.
PS: for comparison all renders in PT
PPS: PM in 513 delivers only black screens upon render for me
| Attachment | Size |
|---|---|
| blend_mat.blend | 517.94 KB |
| yaf11_lstable.jpg | 73.71 KB |
| yaf471.jpg | 69.74 KB |
| yaf513.jpg | 67.89 KB |
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Comments
#1
PS:
"remark:
- that weird clear circle spot in the middle is hunting me through all yafaray versions to a minor or major extent."
That weid circle seems to be related to the texture itself, being the exact same on the backside of the item. So both even each other out. Still a procedural sphere mapped, Orco over the item - can that be that front and backside are exactly the same?
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Images posted by me are solely posted for the purpose of the yafaray project. Any other commercial or non-commercial use, modification etc. of my images and its content requ
#2
The behaviour is similar resp. as weird when blending shinydiffuse with glass material. The more the blend value shifts to glass, the darker the blended material becomes.
A blended material between shinydiffuse and glass with blend value 1 for glass should offer the "true glass". Instead a glass material with 100% absorption (black) is shown.
Result: Blend with glass is seriously bugged.
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Images posted by me are solely posted for the purpose of the yafaray project. Any other commercial or non-commercial use, modification etc. of my images and its content requ
#3
The issue in blend also applies to blended glossy materials being too dark (if either or both blend materials are glossy).
Verified on 53x+ MSVC and 538DT build on Win32.
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Images posted by me are solely posted for the purpose of the yafaray project. Any other commercial or non-commercial use, modification etc. of my images and its content requ