Questions tagged [masking]

Questions related to masking. Masking is used for many different things, such as compositing, hiding geometry, etc.

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24 views

How To Use Another Object As A Mask (2.8 Please!)

I've been struggling with the setup for this cyclops character's eye for a little while, (I've tried a fully concave eye which breaks from the side, and a fully spherical eye which looks bad at this ...
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17 views

Is there a way to control cryptomatte colors? for object colors for instance masking out of the box in blender

Is there a way to know each color of each object before it will be rendered? Or a way to setup colors for each object. In other words I need to setup a preseted color for each object on the scene. ...
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22 views

I'm trying to do a masked text effect that reveals like this one

I'm trying to do a simple mask to reveal text like this one. It has a soft gradient on the mask and the text is moving up as it is revealed. I know how to do this in After Effects, but I'm new to ...
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16 views

mask not visible when applied

In my Blender sculpt mode the masked area is not showing up (expected it to show up in black).the overlay is turned out, it still not showing s mask Can anyone suggest me anything please?
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Material in render different to Material showing up in the IndexMA pass

I am trying to create a mask based on materials having certain nodes. In this case I want to filter any shader that uses the Glass BDSF Node, I have this object with a couple of different materials as ...
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27 views

Mask setup for rust

I have created a mask to seperat the surface of a mesh. This is to use some procedural textures to make rust. The problem i have with it is that the mask doesnt seperate the glossy and difuse so that ...
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1answer
19 views

Mask modifier not rendering

I applied a mask modifier to a sphere object. When I preview the render, the object is visible with the mask showing correctly: However, when I render the scene, the object is invisible: Not sure if ...
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1answer
33 views

How to decrease edge loops in skin modifier?

Hi so I'm using the skin modifier to extrude some vertices and it works relatively well except that it too much geometry/too many edge loops and there's too many for me to go back and remove manually. ...
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46 views

Cryptomatte Boundary Artifacts?

I got Boundary Artifacts while using Cryptomatte. I wrote a question on the same topic, and I read a comment that low resolutions could be an issue, and added a resolution perspective to write more ...
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56 views

I get border artifacts when using Cryptomatte or ID Mask

I tested masking in the Blender compositor. Please see the GIF below. The 1st to 3rd outputs are Crptomattes(obj, mat, asset) and the 4th to 5th outputs are ID Masks(obj, mat). All mattes have border ...
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1answer
141 views

is there a way to blur the edges of the holdout shader

I'm currently working on a VFX scene where I add volumetric fire to parts of my scene but in my footage I have objects that move in front of the camera I modeled each object in Blender and decided ...
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1answer
20 views

Making masks with shading nodes that accounts camera ray

I have a problem that I want to solve if possible. I have 2 objects (Boxes), Obj2 is above Obj1 (almost touching each other on Obj1's Z+ face). I want to draw Obj2 only in where Obj1 is visible to ...
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40 views

How to insert a keyframe for Mask Point coordinates

I'm currently writing an Add-on for Blender 2.8 where I need to change the coordinates of the MaskSplinePoints in the ...
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29 views

Blender sculpting mask tool not working

for the past few days ive been learning blender and today im trying out sculpting by just using all the tools and trying to make a simple face. However i want to extrude out the neck as i did make a ...
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2answers
30 views

Rendering: Excluding a layer while keeping it's influence (Masking?) [duplicate]

I am making this Christmas Tree but the problem is that I can't render the whole scene in one go because of too many particles. So I have rendered my tree and now I want to render only tinsels wrapped ...
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31 views

Looking for an alternative to Holdout, that doesn't require background to be transparent

I want the white bands of the cone to completely fuse with the white of the background. As it now, because fo the shadow effects, that's not the case I was thinking about using the holdout shader for ...
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1answer
45 views

How do I use a map or node as a mask?

I want to use an AO node as a mask for a different texture, as in I want the AO node to be a factor for 100% opacity in the white areas and lower in the dark until full black equals zero. Im not ...
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2answers
75 views

How to use a PBR Material’s Mask Image

I downloaded a texture from https://cc0textures.com/view?tex=Marble03 which includes a mask.jpg file. How do I integrate that new file into a node map? Here is my current node map.
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1answer
71 views

Create mask for half of sphere

I'm trying to create a rotatable mask for a sphere which I can rotate around the sphere using the mapping node. My aim is to make it look as though the sphere has a bright light shining on it (like ...
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1answer
46 views

Make an object a mask (render as transparency)

I need a plane to act as a mask. I want objects in front of it to show up, objects behind the it to not show up, and where the plane would have rendered to be transparent pixels. You can think of it ...
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1answer
31 views

Blender 2.80 - Image Editor - how does Set Curves Point work?

I have found two Set Curves Point entries in the keymap in the Image section in Blender 2.80. Only the mask mode provides curves in the image editor. But here the hotkeys does exactly nothing. And we ...
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16 views

how to bake diffuse with mix shader?

So in the left corner you'l see albedo/diffuse bake result, in the right corner it is how it should look and how it looks in viewport and at the bottom half is shade node scheme. I dont understand how ...
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8 views

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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19 views

How to parent a mask to more than 1 Trackers?

I have done a track where are many trackers. Now I have created a mask around this object that I have tracked allready and I would like to parent the mask to all these trackers so that the location, ...
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44 views

Can I mask objects using Cryptomatte in 2.8

I have 3 balls that are travelling down a pipe, I have a background image which I have aligned my pipe to a hole in the image. In order to make the balls appear as if they came from the hole in the ...
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1answer
44 views

How to see an object by looking throug another object?

I am making a portal and I want to make it so you can only see objects through the Portal, like in Picture 1.Picture 1
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21 views

Mix RGB node not working as mask

In this tutorial, When I add in the mix node and try to do the mask, it makes my mountains disappear and then when I adjust my white on my coloramp down, it starts masking in wierd pole-like things. ...
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1answer
77 views

Selectively mix shaders based on color input

This might be a bit confusing, so my apologies before hand. I'm making a shader/nodegroup that emulates colors under a blacklight. For most colors (greens, reds, blues), it works just fine and looks ...
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37 views

Is there a way to make a real person in a video appear as if they're a ghost using masks?

How do I overlap two frames in blender to make a person in the video appear as if they were a ghost? What I mean is that I want to make a person in the video transparent like glass, as if they really ...
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17 views

Box Mask won't Translate

I'm compositing movies, a man on a green screen over a beach scene. I have used a Box Mask to exclude some rubbish in the edges of the green screen shot. This all works fine - see screenshot. Of ...
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1answer
25 views

How do I use blender masks to make it look like there is magic in my videos

I'm working on learning how to use masks in blender. I would like to use the masks to make it appear as if there is magic in my videos. Such as when a person in the video lifts they're hand a certain ...
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1answer
67 views

How can I create an object which masks and cuts into other objects?

I'm looking to create a object that masks and cut into other objects. So far this is what I have. The second object in that image needs to be transparent and will take a chunk out the first cube. ...
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1answer
131 views

Creating a portal effect in Blender 2.8

I would like to be able to make a portal effect in Blender 2.8. The idea is that you can look through a 'window' from one world to another. This could be achieved by looking between 2 scenes, or 2 ...
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29 views

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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25 views

Save cycles material with mask as image

I want to export this texture as an image so I can use it in unity. How do I do this?
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131 views

Using alpha texture as a mask

I have some grass with several flowers sticking out of it. Grass and flowers are meshes with PNG images with transparent background. Alpha channel is set up properly, textures are perfectly see-...
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33 views

How to hide objects dynamically using a mesh?

I'm looking for a way to hide objects dynamically in the viewport using an object. For example, every objects touching or inside a given object would be hidden, and every other objects would be ...
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2answers
75 views

Blender compositing, blur node problem

I am using mask for motion tracking scene, and I want use blur for mask in compositing. what is problem: blender node is bluring mask and make it larger, that causes problem for me, is it possible to ...
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29 views

Texture that only visible in shadows

I am trying to shade an earth model. Trying to show night lights on the dark side, but I am having hard time on figuring out how to use light path node, to isolate night emission at the sunshine. I ...
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111 views

Blender RGB masking with segmentation. How to? If possible

I have a 3d small garden with 15 plants. Each plant have leaf objects. Formally they are just a leaf objects with different XYZ location/rotation/scale. Take a look I want to get something similar to ...
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1answer
121 views

Masking selected vertices for sculpting

I have 3 questions related to masking in blender. I'm using latest 2.80rc2. Is there a way to mask a subobject or selected vertices inside a mesh? Can we mask a selected vertex group? For example, ...
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56 views

blender particles system object acting as mask

i'm wanna know if it's possible to have another mesh to hide part of a particle system like hair in hte viewport? i know that under vertex group we can influence the density etc... i also know that in ...
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3answers
562 views

How can i apply gobos to a spotlight to make it look like a real life moving head light?

as you may know most moving head lights used on live stages and dj shows have a gobo feature which allow the light to be restrained on some parts of the spot, as if a cookie cutter was placed in front ...
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28 views

Compositor updates every time I edit my mask

I am currently trying to learn video compositing and editing in blender, using 2.80. Whenever I'm masking within the image editor, the compositor does its processing on every single interaction with ...
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143 views

how can I do a 3d mask to hide a mesh in 2.8?

See the transparent plane that has a cube hole in the middle? I want it to hide the cube that is under the plane. How can I do that? I'm in Eevee.
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1answer
228 views

How do i mask body parts underneath clothes and armor?

Hi i have been following along with a tutorial on creating a game character, and he is using shape keys to shrink body parts under clothing, but it seems like it would be a lot easier to just hide the ...
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23 views

Wrong tracking marker position [duplicate]

I have encountered a serious problem when using tracking markers: I tracked a single point over a range of 3000 frames in small steps e.g. I manually corrected the position every 50 frames. When ...
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18 views

Applying different colors to multiple displacement maps

I have combined two black and white displacement maps (one for terrain and one for buildings) with a MixRGB Node in the material editor and but the output of the MixRGB to the displacment input of the ...
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2answers
52 views

Can I apply something like a mask to apply proportional editing to only some connected vertices in blender 2.8?

Can I apply something like a mask to apply proportional editing to only some connected vertices in blender 2.8? For example I only want to move the verts on the right side of this leg in proportional ...
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35 views

Can you use grease pencil to mask render?

I have a render of a 3d weapon with transparent background, behind it is the footage of the weapon's wielder, can i use an animated grease pencil sketch to erase parts of the render and make it look ...

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