Unanswered Questions
1,757 questions with no upvoted or accepted answers
3
votes
0
answers
388
views
How to remove unwanted refraction (bent-straw illusion) from cycles material?
I am working on a render of Saturn as part of a scale model of the solar system, and have run into a problem with the transparency of the rings. I am using an alpha-mapped png image which seems to ...
3
votes
0
answers
206
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First attempts with SSS - where is the nose?
I am trying to make the skin for my female mesh and watched some tutorials on Skin Shaders. I tried to rebuild YanSculpts Tutorial https://www.youtube.com/watch?v=ktsyL2Kp5bQ&t=388s and the result ...
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3
votes
1
answer
489
views
How to apply two different materials in Blender Internal on front faces and back faces, *while involving transparency*
Basically, I want to see through the transparent front faces to the opaque back faces. This isn't the same as flipping all normals and executing backface culling because I want the front faces to be ...
CommunityBot
- 1
3
votes
0
answers
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I am trying to bake a normal map of a set of objects with transparency
I have been trying to bake a normal map for a clump of grass I want to put in a game engine. The problem I am facing is that whenever I bake the normal map it ignores the transparency texture on the ...
- 31
3
votes
0
answers
4k
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Difference between a fac output and a Color output
What is the difference between fac output and Color output in BLender? My understanding about fac is, it is grayscale information(devoid of any color). In which case it confuses me when people take a ...
- 151
3
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0
answers
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What is the significance of the value of the limit on the roughness attribute of the Oren Nayar shader?
In exploring the settings of the Oren Nayar shader in the Blender internal rendering engine, I find that there is an upper limit of 3.14 for roughness.
Is this the constant Pi?
Why is this the ...
- 5,446
3
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answers
86
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How to create an image whose alpha value changes according to a curve through time in node-editor?
I connected an image-node with a composite-node and connected a value-node into the alpha of the composite-node. I changed the values and the image changed its transparency.
Then, I connected the ...
- 655
3
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311
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How to combine Z-Transparency and Mask Transparency in BI
I have a plane, in front of a cube, with a texture used for alpha.
Now i like to use the BI Mask-Transparency to (alpha) hide everything behind the white areas. The black areas should be complete ...
- 371
3
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249
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Material Mode in Shading Panel
I have this version of Blender
What is the difference between the two Material modes in the Shading panel ?
On my PC GLSL seems to work, instead Multitexture seems doesn't work.
CommunityBot
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3
votes
0
answers
63
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Cycles texture with alpha doesn't work after using AnimAll for animating UVs
I need a texture to be animated with AnimAll and have transparency at the same time. Is this possible?
Here is the .blend file. It is the bird that encounters the problem. I'm trying to make its ...
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answers
2k
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Objects behind partial-transparent objects are masked out when selected
The setup:
Display/shade mode is Textured, Shading is Multitexture
No objects have materials, they're purely textured in the 3D view using the info assigned via UV/Image editor. No objects have "...
- 283
3
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0
answers
267
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Lighting a volume with a bi-color point light (2)
This question is a following of this one
I would like to light the center of a cylindric volume with a gradient light White -> Red -> Blue radially from the center to the border.
I made a test of ...
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3
votes
0
answers
2k
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Transparent Plane Still Casts Shadow
In cycles render I have a RGBA movie of a man waving that I'm using as a texture on a plane. Using nodes, I can make the alpha channel transparent, but the plane is still casting its rectangular ...
- 12.4k
3
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693
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OSL: Giving the texture method a color instead of string
Is there a way to give the OSL method
texture(string, float, float, ...)
a color input instead of the string which reads an image file?
Or is there any type of ...
- 31
3
votes
1
answer
515
views
Distorted highlights when rendering microscratches (bump map)
I'm trying to create a 'spiderwebbing' / 'swirl' effect caused by microscratches around highlights, but for some reason get triangular rays instead of a round halo. I've tried loads of scratch ...
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