Questions tagged [render-passes]

(Render) Passes can be used to split rendered images into colors, direct and indirect light to edit them individually, and also to extract data such as depth or normals. Use this tag for questions concerning the use of render passes.

Filter by
Sorted by
Tagged with
1 vote
0 answers
13 views

The right way to set up a multilayer renders (and a reflection pass)

I am trying to create a "reflection catcher", to work like a shadow catcher. I have followed this tutorial, which seems to work, but also seems to end up generating many more passes than I ...
user avatar
  • 414
0 votes
0 answers
9 views

Multilayer OpenExr Postfixes

When I output my renders to Multilayer OpenExr the layers produced are postfixed by various different strings. What do the postfixes like .[V] mean? Where can I ...
user avatar
0 votes
0 answers
17 views

Strange top line on the frame when rendering with Cycles (OPTIX)

I get a strange obscur line on the top border of my frame. I am rendering with Optix on a RTX 2070 super with 1000samples with denoiser (CYCLES). I dont have this problem when rendering with Cuda. Do ...
user avatar
  • 1
0 votes
0 answers
7 views

Render pass calculation in Cycles - transparent Image

I have a doubt about this, a have a scene with shadow catcher and transparent background but when i do a render, Cycles make your calculations above some areas where don't have anything, its a PNG ...
user avatar
0 votes
0 answers
42 views

Is there some extra settings for bloom pass in 3.2 beta?

In v3.1.2, the bloom pass: but, in v3.2 the bloom pass output is same as the default combined output: Is there some extra settings for bloom pass in v3.2 beta?
user avatar
  • 1
0 votes
1 answer
48 views

glossy direct pass (view layer properties)

I am going through a step by step tutorial. But at a certain stage, my render differs from the scene of the author. Please help me figure out why my render is partially colored. The author is in black ...
user avatar
1 vote
0 answers
29 views

Why is half of the smoke not showing in the reflection when I turn on "indirect only"?

I have a character that is emitting smoke and standing on a plane with glass shader. I want to render the plane with the reflections and the smoke separately. However, when I turn on "indirect ...
user avatar
0 votes
1 answer
61 views

How to denoise Exr and it's passes

How to denoise Exr and it's passes in Cycles ? I tried settings Denoising data and it didn't work.
user avatar
0 votes
0 answers
22 views

Different light passes not appearing on render layer node

I was working with motion tracking in Blender and went into the Compositing tab to edit some of the lighting and only use specific passes with my render but found that one Render Layer node had all of ...
user avatar
0 votes
0 answers
19 views

Vfx blender after effects- composite cgi emmission on to real footage

How to cast car headlight emission to the ground, where the car is CGI and the ground is real video footage if I composite it in after effects? Is there anything like emission catcher for emission ...
user avatar
0 votes
0 answers
38 views

Can I render single pass with cycles?

I would like to render single passes in order to tweak some parameters like resolution or sample count. For example I would like to render a low sample count indirect light then denoise it and compose ...
user avatar
1 vote
0 answers
24 views

Can I render out different passes at one time?

I want to render out 1 pass and not the other in my scene, but when I try to do that, blender renders out both passes at once. Is there a way to disable some render passes so I can render single one ...
user avatar
0 votes
0 answers
31 views

How to Render water Particles in separate render passes

I have a very large fluid simulation and I would like to render the particles on different render passes. I am running out of Vram, I am rendering with a RTX 3090 but I guess I found its cap. I can ...
user avatar
0 votes
0 answers
58 views

Mist pass gives white edges

Utilizing the Mist pass in the Compositer I get white edges on objects. Why is it, I always thought that the Mist merely defines black to white color depending on distance and nothing more?
user avatar
0 votes
0 answers
34 views

Does my EXR have everything I need for compositing?

The blender stack exchange community has been super helpful for my project and I will certainly try to give back to other users whenever I can. I'm ready to export my sequence to OpenEXR Multilayer to ...
user avatar
0 votes
0 answers
84 views

My Smoke simulation has this buggy blocky shadow

I have been tackling this problem for the last 2 days and I can't find any solution to it. So, I baked this smoke sim and test rendered it, It has some weird blocky shadow and reflection, I thought it ...
user avatar
  • 64
0 votes
0 answers
36 views

Eevee diffuse pass render bug?

I hope this is the right place to post this. To see the "bug", please go directly to the observation part. The setup We need to export the diffuse pass render in low resolution of a scene, ...
user avatar
0 votes
0 answers
70 views

Save UV pass of specific object to file for later modification of texture

beginner here. I want to save my rendered images together with auxiliary data that can later be used outside of blender. Specifically, I want to change the texture of a simple object (say, a cube or a ...
user avatar
  • 103
0 votes
0 answers
141 views

Open EXR file not getting generated in certain cases

I am trying to generate an OpenEXR file based on the following procedure : Getting the depth of every pixel to the center of projection of the camera in Blender I have tried to create a simple scene ...
user avatar
  • 13
0 votes
1 answer
64 views

Ideas on: Realtime Mist Pass via Shading Nodes? [duplicate]

Wouldn't it somehow have to be possible to get a depth gradient into one's material nodes? This way you could have a realtime mist pass in the viewport (like in the picture). I guess one would need ...
user avatar
  • 1
0 votes
0 answers
46 views

Reflection capture of emissive objects

Im in Blender 2.93 I have a tracked scene, the background is a PNG image sequence, and I've created a particle system that is made up of emissive icospheres. I would like the icospheres to cast light ...
user avatar
0 votes
0 answers
18 views

Load Shader AOV passes from one blend file to another

Is there a way to load the Shader AOV passes from one blend file to another? I noticed that when linking blend files the AOV material node comes along but the Shader AOV list is empty, so I was ...
user avatar
0 votes
0 answers
163 views

Access to Render Passes with Python

I need to save both the 'Combined' pass and the 'indexOB' pass. Is there a simple way to use it with Python? I set the path to save my render - ...
user avatar
0 votes
0 answers
18 views

How do I render out separate passes to be comped in After Effects? [duplicate]

The passes I'll need are: Alpha RGB Colour Reflection Specular Ambient Occlusion Shadow Cycles or Eevee, doesn't matter, but they'll need to be rendered out to be used in a different program (not ...
user avatar
0 votes
0 answers
32 views

Is there any way to not overwrite when I re-render ? Without changing the prefix everytime manually?

I just want to output new renders every time i render rather than those previous one being overwritten - again, without changing the prefix itself ! So eg : Render001-Normal becomes Render002-normal ...
user avatar
  • 135
0 votes
0 answers
32 views

Getting Vector pass output for gas simulation

As mentioned in the title, I'm trying to get the vector pass output for a gas simulation. I have a partial solution by doing the following: Bake the gas simulation with OpenVDB cache format Add the ...
user avatar
1 vote
0 answers
88 views

Stop creating a new aov pass if with the same name exist already

...
user avatar
0 votes
1 answer
183 views

Can't save a single pass from an OpenEXR MutiLayer file

So, I'll try to make it as clear as possible but I just started working with OpenEXR MultiLayer Output and I might miss some important info. Important to know I render with Cycles. I'm working with an ...
user avatar
0 votes
1 answer
54 views

Cycles — Non-translucent glass in compositing passes — Problem

I have a scene that is obscured by a glass plane that has displacement. The glass curves/bends all the objects that are behind it. << This effect is crucial here. When I render a scene with ...
user avatar
0 votes
0 answers
21 views

Not rendering properly

hello. I am new to blender. I created this donut. I applied a creamy material to the donut. But in rendering it is not rendering correctly and the donut material is white+light blue instead of cream. ...
user avatar
0 votes
0 answers
17 views

How to change background color in diffuse color render pass? [duplicate]

I looked around and seems like its not possible according to another post. As a workaround, i'm using a bunch of white images to act as the background color change. Any way to change the black color ...
user avatar
  • 23
0 votes
1 answer
196 views

World Space Ambient Occlusion

Gotta question about Eevee rendering. Normally, Eevee uses screen space ambient occlusion and screen space stuff obviously generates lots of artifacts, like the one on the picture, where the occlusion ...
user avatar
  • 155
0 votes
1 answer
262 views

How to make diffuse render pass have transparent background?

I have a 3D object that I want to render into separate diffuse, normal & AO maps for use as textures. I am using the View Layer Properties > Passes options to include these layers in the output ...
user avatar
  • 115
0 votes
0 answers
22 views

One of my objects won't show in my F12 or final render [duplicate]

I've tried to render my scene but there's an object that won't show up. I've checked the camera, I've checked the visibility, it isn't hidden and it's showing in the viewport. I feel like I've opened ...
user avatar
0 votes
2 answers
66 views

Object won't show in render. None of the suggested solves I've found have helped

I've tried to render my scene but there's an object that won't show up. I've checked the camera, I've checked the visibility, it isn't hidden and it's showing in the viewport. I feel like I've opened ...
user avatar
1 vote
0 answers
186 views

How do you get 2 render layers from an exr file?

I am compositing a scene with 2 render layers. I saved it as an image sequence of EXR files so that I can close the program. However, after compositing, the Exr doesnt keep data from separate render ...
user avatar
  • 513
2 votes
0 answers
81 views

Is there a way to auto name my AOV outputs?

So in most other software I use like Houdini and C4D there are tokens you can use to assign auto naming conventions such as the $ (dollar sign) expression. In C4D <...
user avatar
1 vote
1 answer
348 views

Image plane is not visible through glass

I have an image-sequence as a plane imported to Blender in cycles. I used a "Shrinkwrap" modifier to wrap it on the Body. When I now put the glass helmet on the character the image plane is ...
user avatar
0 votes
1 answer
55 views

I want to remove one object from my render so that it leaves just a transparent background

I want to remove the pool water from my image, so that there is only a transparent background, so that I can add the pool I rendered in luxcore in photoshop. Right now, because I could not get it to ...
user avatar
2 votes
2 answers
38 views

How to enable other passes on background layer?

Here's what my compositor shows when I have shadow pass enabled. How do I enable it for the background layer as well?
user avatar
1 vote
0 answers
97 views

Render Passes File Output in Headless Mode

Here is the blender manual on command line rendering: https://docs.blender.org/manual/en/latest/advanced/command_line/render.html I am having an issue in blender where blender hangs on rendering in UI ...
user avatar
2 votes
0 answers
46 views

Unit of the color in of the Diffuse Direct/Indirect passes in Cycles render

When I read a pixel's red value 1.0 from these passes, is the value I read radiance, radiosity or irradiance? Is it 1.0 W/m^2 or 1.0 W/(m^2sr)? My understanding is that a sensor is sensitive to ...
user avatar
1 vote
1 answer
272 views

Composite two renders into one image

I am looking to produce an image like this: Where there are two objects, with one object casting a shadow on the second object. The catch is that I do not want to create this by rendering two objects ...
user avatar
  • 165
1 vote
1 answer
169 views

Depth of Field and Depth Pass problem

I seem to be having some trouble getting the look I need from DOF. Below is a render I did with DOF enabled: At first, everything looks fine, but, the corners of the glass box is also blurring, which ...
user avatar
2 votes
0 answers
478 views

Mist pass looks noisy

I have a following problem: when I render my final image with mist pass, the mist pass itself becomes noisy, see in these images: Mist pass combined in image: Mist Pass itself: Could the problem be ...
user avatar
0 votes
0 answers
39 views

Transparency from shader becomes white when exporting on transparent background [duplicate]

So first time actually posting a question here, but I just can't seem to find a solution. So I made this fire ramp shader for a project I'm working on, and I want to have a transparent background for ...
user avatar
0 votes
1 answer
128 views

Why does ambient occlusion make a black area above emission object?

I did AO in compositor. The body of an emission object is invisible to the camera. First screenshot - with TURNED ON AO Second screenshot - with TURNED OFF AO How it works and how i can keep AO turned ...
user avatar
0 votes
1 answer
150 views

Artifacts in render preview after adding emission/volume scatter shader to world output volume

I am following a sword tutorial and when i try to plug in either a Emission shader or Volume Scatter shader in to the world output volume node weird overexposure and artifacts appear in the render ...
user avatar
  • 11
0 votes
1 answer
975 views

How create perfect mask using ID Pass ( "clown pass" in Photoshop)?

Has anyone looked at the tutorial? regular ID Pass so that later in Photoshop it will be easier to select the necessary objects. But what I don't understand is that even if you have this ID Pass (...
user avatar
2 votes
1 answer
391 views

Automatic AOV shader pass setup for geometry buffer

Is there a way to create AOVs that affects all materials in the scene? I can successfully create an AOV shader pass that outputs world positions of the object material is on: This gives me correct ...
user avatar

1
2 3 4 5