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Results tagged with rendering
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user 20594
Rendering is the process of converting a 3D scene into a final output, such as an image or movie. It involves simulating light, applying materials, and calculating visual effects to produce the desired result. If your question pertains to a specific render engine, please use its respective tag (cycles, eevee, blender-internal, etc).
6
votes
Transparent Image different in viewport than render
If you need to produce a PNG file you have to know that the format uses "unassociated" alpha.
That means that the program that will do the compositing will "pre-multiply" foreground's RGB*alpha prior …
- 2,230
3
votes
How does the cycles render-passes (for example: diffuse) works out when using colored light ...
Direct and indirect passes are lighting passes. You literally add them to add light to your pixels. That light can be either white or colored light and it may hold intensity values well above 1, as th …
- 2,230
4
votes
Why does the saturation get stronger in darker areas of a cycles render?
In other words, your rendered gray cube isn't exactly the same as a pure shading pass, so multiplying colour to produce the same result than rendering a colored cube won't work. …
- 2,230
7
votes
Is it possible to save CMYK renders from Blender?
CMYK is a device-dependent color model. This means essentially that if we don't know the device where color will be reproduced, the values expressed in this model are meanlingless, as they aren't enou …
- 2,230
3
votes
How to make the film transparent for other render passes?
Rendered passes should be treated as RGB and added/multiplied together (passes are light emissions from each component, therefor they have to be added together, with a few exceptions that require mult …
- 2,230
13
votes
Accepted
How to properly render smoke on a transparent background?
It's a viewer issue only. Try compositing over a gray background using the alpha-over node.
If the result is correct, then your file output (without the gray background, of course) will be correct as …
- 2,230
7
votes
Rendering fire animations with transparent background
Blender's viewer is broken for that kind of images, so it's possible that your fire is rendered properly but the viewer isn't showing it correctly when you activated the "transparent" checkbox.
Try to …
- 2,230
17
votes
Accepted
Where do the white lines come from in my composite?
Those two images you're trying to composite together have "correlated" alphas. The Alpha over operation isn't the appropriate operation for this situation.
The solution is simple: you just have to ad …
- 2,230
13
votes
Accepted
What is Clamp Direct/Indirect?
Clamp puts a limit to the intensity of light bounced directly and indirectly by surfaces.
It can be used to prevent the annoyoing "fireflies" (random intense pixels in your render) but it is advised t …
- 2,230