All Questions
Tagged with rendering render-passes
94
questions
8
votes
1
answer
24k
views
Z depth pass in Cycles, rendering white [duplicate]
Using Cycles as a render engine, I assigned an empty as a camera Track To target, and as the focus target in Depth of Field, yet rendering the scene, the depth pass is rendering all white, as if there'...
- 5,042
8
votes
1
answer
4k
views
What causes this mist pass glitch?
The problem, and what I've tried so far
From the screen shot you can see that sky-blue from the mist color is leaking through the trees due to white spots that are occurring in the mist pass on the ...
- 19.3k
6
votes
1
answer
1k
views
Cryptomatte - Clean edges
blender people, please, does exist a solution to make a clean render pass for ID colors - materials? I want to achieve a same solution like in VRAY - material ID. After that, I want to import it in ...
- 83
6
votes
1
answer
423
views
Why do different render engines generate different z pass?
I've been using Blender to generate depth maps using z pass. I notice that the z pass generated by different render engines are different, which made me a bit confused. My feeling is that the z pass ...
- 61
6
votes
2
answers
596
views
UV render pass non-linearity
I am writing a piece of software that needs pre-rendered UV maps for on the fly texture mapping. I tried rendering these maps in blender, but the color values in the resulting image do not change in a ...
5
votes
1
answer
5k
views
Difference between a mist pass and a normalized z-buffer?
In Cycles there are two different render passes which seem to give some kind of depth information: the Mist pass and the Z-Buffer pass. I know that the z-buffer gives the actual distance (thus ...
- 25.2k
5
votes
3
answers
4k
views
Cryptomatte doesnt output nice clean edges
Is there any way i can have cleaner edges out of the cryptomatte image output ? The outline is just not clean enough.
- 305
5
votes
1
answer
2k
views
2.80 - use Eevee and Cycles together for motion blur issue
I have one question about one problem in my experiment with motion blur in Eevee. I know that in this time is not supported and maybe will be supported in future official release as another primary ...
- 51
4
votes
3
answers
1k
views
Z depth values in OpenEXR do not match the objects in the scene
I am trying to use the depth values from a render. I created the appropriate graph that directly connects the render layers depth pin to an OpenEXR file output. The problem is that the depth values ...
- 153
4
votes
3
answers
3k
views
How do I stop the Compositor Output Node from overwriting my images on each new render?
Using the compositor node setup above, when I hit F12, it makes a new pass and the rendered images are automatically saved. The problem is that the new render erases the previous one that was saved in ...
- 1,942
4
votes
1
answer
5k
views
Understand color of Diffuse Direct/Indirect pass in Cycles render
The Blender manual page says about Diffuse direct and indirect as follows:
Diffuse Direct
Direct lighting from diffuse BSDFs. We define direct lighting as coming from lamps, emitting surfaces, the ...
- 437
4
votes
1
answer
273
views
To what degree does Cycles' sample level impact other passes?
Can equally useful AO, Z, mist, speed and other non-beauty passes be generated at lower sample rates compared to those rates needed for beauty passes?
How about ObjectID mask passes?
- 2,257
4
votes
2
answers
2k
views
Mist pass looks noisy
I have a following problem: when I render my final image with mist pass, the mist pass itself becomes noisy, see in these images:
Mist pass combined in image:
Mist Pass itself:
Could the problem be ...
3
votes
2
answers
5k
views
How to achieve a flat colored render pass from material id/index for masking
I'm trying to get a render pass that splits all different materials into flat shaded objects (like material id in 3ds max) with anti aliasing.
The output colors aren't important. (random colors are ...
- 2,098
3
votes
5
answers
5k
views
White Noise in Blender Z Pass with alpha value in Mix Shader
I am trying to get the depth value using z pass from my scene which is a simple head model, but while rendering there is white salt and pepper noise in the hair and eyelash. I have saved in both png ...
- 55