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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.

6 votes
3 answers
11k views

How to output ID masks as seperate files for compositing?

When I click 'Render' or hit F12 and select IndexOB pass in the viewer I'm able to see a mask (white on black) as expected, but when I click 'Animation' to output a series of these masks as '.png' fil …
0 votes
Accepted

How to output ID masks as seperate files for compositing?

Unfortunately the above two answers (including my own answer) didn't actually do what I needed. I want to use the mask in the Video Sequence Editor (VSE). The simplest way is to apply a strip modifie …
The Beachdancer's user avatar
-1 votes

How to output ID masks as seperate files for compositing?

Creating a single mask of multiple objects. For each object go to Properties>>Object>>Relations set Pass Index to the same number (1) -arbitrary number, but same for all objects go to Render Laye …
The Beachdancer's user avatar
1 vote

How do I make steel in cycles using 2.5 as the IOR?

The FRESNEL node connected to a the FACTOR input of a MIX node which has for example a DIFFUSE and GLOSSY input will change the reflections depending on the angle that light strikes it. The FRESNEL n …
The Beachdancer's user avatar