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Cycles is a physically-based path tracing render engine in Blender, designed to deliver photorealistic results by simulating the behavior of light. Introduced in Blender 2.61, Cycles leverages ray tracing to accurately model reflections, refractions, and global illumination. Use this tag for any posts related to Cycles rendering.
3
votes
Accepted
Best graphics card for Blender Cycles rendering
This is hard to say, because there are not relevant benchmark for cycles. (If someone know one, please let us know).
You can look at http://blenchmark.com/gpu-benchmarks. Keep in mind than this is n …
3
votes
Accepted
GPU and CPU volumetric render noise discrepancy
There are some differences between CPU and GPU rendered images. Some have been fixed in 2.78, some have not. Maybe later. You can do nothing about this.
Only one recommendation: use what works better …
0
votes
Decompose image into albedo and shading with cycles
I'm not sure if you wrote about compositing or about shaders and materials creating. But the overall idea is the same
You wrote: "original idea of albedo and shading contains only 3" (passes) In my o …
0
votes
Accepted
Does the file size of the blend file influence the render performance?
.blend file size does not influence render times. Does not matter if render engine load packed data from .blend file or from folder. Here can be difference in milliseconds only on beginning while Blen …
19
votes
Accepted
Multiply and Add functions in Node editor
For Math: ⇧ Shift + A Add > Converter > Math and switch math function what you need.
For Colors: ⇧ Shift + A Add > Color > Mix* and switch blend mode
For greyscale images doesn't matter if you use mat …
1
vote
glass shader that doesn't show the back of the object
The simplest way how to do it is use backfacing as a factor. This node setup will remove faces on back of your character.
SHIFT + A -> Input -> Geometry
0
votes
Accepted
Blender cycles rendering layer but keep to sum memory?
This look like bug and all what you can do is report as bug with most accurate info as you can.
I noticed that Blender have problem with VRAM freeing sometimes. Try save every render layer separatel …
1
vote
Cycles Render Equivalent of "X-Ray" Function
You can move liguid to second layer and create second render layer. After merge them in compositor.
In this case you can't use Material ID or Object ID, because liquid is in other object, or suzann …
19
votes
1
answer
19k
views
How to make foam with bubbles (beer, bath)
My goal is create realistic foam. I mean really realistic foam with bubbles, no only SSS shader and done :-).
Use particle system's is not enough, because bubbles overlaps and black artifact's appea …
8
votes
3
answers
3k
views
Move center of radial anisotropic to center of object
Is possible align the center of radial anisotropic shader with the center of the hole?
I tried:
Move origin (I always think origin determines the center of anisotropic- not true)
Separate tangent va …
4
votes
Accepted
How to append an object and its material at once?
As first - assign materials to objects and when you append this objects to new scene, they will append with materials. If you append materials separately, Blender can't know which material assign to w …
0
votes
Broken lighting in Blender file
I think everything is all right in your blend. Imagine point light as bulb. And your plane is more than 30m long. Too long to be lit by one bulb. You can use "colors" > "Light Falloff" node connected …
2
votes
1
answer
566
views
Default lightning, or how to adjust materials properties correctly
Situation:
I always adjust my materials by hdri environment map. This method work well for me. But what if I want to share my materials, or sell it?
I search for some default lightning setup and I fo …
1
vote
Accepted
Default lightning, or how to adjust materials properties correctly
I found solution in "Cycles Encyclopedia" written by Blender certified trainers Frederic Steinmetz and Gottfried Hofmann. (Available on blender store or blendermarket.) Authors use this "Blender Mater …
2
votes
Change opacity transparent image texture?
You can insert "math" node between Texture alpha output and Mix shader Fac input.
Alpha 0 = full transparency. Use math node to add 0,5 and results is 50% transparency.
EDIT: optionally you can use Co …