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Questions tagged [id-mask]

The ID mask node will use the Object Index pass to produce an anti-aliased alpha mask for the object index specified. The mask is opaque where the object is, and transparent where the object isn't.

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Get the active mask in the clip editor

I am writing an addon that displays in the Mask mode of the Clip Editor. I only want my panel to display when there is an active mask selected. Currently, it shows only when in mask mode and the video ...
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Masking out parts of an object for compositing

I am making a model of an Arc Reactor. In the model, there are some wires and a sphere with emission material, inside a glass material to create a glow effect. Now I want to make these emitting ...
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ID mask noisy when using Volume Scatter for World volume

I've made a sword in this medieval blacksmith scene an ID mask so that I can give it a glare effect without affecting the rest of the scene, but because I used Volume Scattering for the world volume, ...
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How to mask an imported image as a plane in Blender 2.8?

I have the following scene in Blender 2.8: I imported the Blender logo as a plane (File > Import > Images as Planes ---which is a plugin---). I want to create a rectangular mask on the Blender logo ...
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Object/Group Instances and Pass Index

For Post Production in the Compositor, I heavily rely on using Object/Material Index masks. Normally, I select a single object and then give it an unique number in the Pass Index/Material Index slider ...
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How to utilize material (or object) index behind a refractive material in cycle?

The material (and object) index works only when the object is uncovered by other objects. But the thing is the object can be visible behind a transparent or semi-transparent objects. In cycles it ...
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146 views

Object outline appears when using ID Mask

I have an ID Mask, and this yellow-like line appears in my render when I'm using the ID Mask node. (The line appears around the drawers on the right side os the image) I tried using the Fast Gausian ...
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519 views

How do I make a script to set object index for every object?

I wat to make a script that will, for every mesh in the scene, set a different object pass index so I don't have to select every mesh in my scene to assign a different number. I know this is possible ...
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162 views

Node setup to access ID masks in Cycles?

In the compositor, there is a dedicated ID mask node where you put in the number of the mask you want, and it will output it. We can get access to ID masks in Cycles materials via the Object Info ...
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243 views

How to mask mesh using an object

I am running a cloth simulation on a human avatar. I want to hide the human mesh that is underneath the cloth and not the entire human mesh. Is it possible to do something like this using the ...
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441 views

Any way to have multiple ID masks?

It is possible to have multiple objects share the same ID mask in the compositor. It does not seem possible to have objects possess multiple ID mask values though. Is there any way around this? I want ...
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173 views

I can't get Object Index to give me a clean Luma Matte. Please Help! [duplicate]

Why is it that I can't get a clean looking Luma Matte from either Object Index or Material Index Pass. As you can see in the example I provided, I do have anti-aliasing checked in the ID Mask. What is ...
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485 views

How to use flat color shading with anti-aliasing for multi-materials?

I've been searching a while now for a solution to render out a flat colored map for masking out objects in photoshop. I found this very helpfull topic: https://blenderartists.org/forum/showthread.php?...
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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 ...
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825 views

Object ID to a whole group

How to add an index ID to thousand of objects? Selecting the whole group and changing the ID, It applies only to the singular object.. a solution could be to assign a different material and so to ...
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Compositor ID Mask not working?

I want to give my model a glare effect at robots eye, so I gave the material assigned to the eye Pass Index of 1 then when I went to compositor and made this node set up, in the viewer I could ...