Questions tagged [depth-map]

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Export Kinect like depth map from animation

Hello Blender community, this questions is a bit confusing and belongs only partial in this forum, but I hope some one has still some advice for me. So let me start to explain what I am trying to do. ...
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2answers
57 views

How to set object at a specific depth from the camera, at a certain pixel

I want to set an object at a certain distance (or depth) relative to the camera; and also at a particular pixel. Example: I set up a camera at a random position in blender. I want an 1280x720 image. ...
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1answer
21 views

Depth images dont get saved

I render multiple frames in blender, and if not the frames also, I at least want to save the depth maps, as an image. As can be seen in the screenshot I have attached, I have added a 'File Output' ...
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0answers
25 views

Custom shader script in compositor (de-linearize depth buffer)

Some months ago I wrote a minimal opengl 2.5d game engine with pre-rendered backgrounds (such old Resident evil, Alone in the dark and Final fantasy games). Depth is managed through a grayscale image ...
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2answers
68 views

How to get Z-distance (not depth) from camera to object for every pixel in the frame?

I am currently doing a computer vision task and got stuck on the following problem. I need ground truth values for my sequence. I have a nice sequence where the camera moves trough my scene and ...
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0answers
52 views

Import Blender EXR in Python EXR for depth map

I am currently trying to extract a depth map created by Cycles and read it in Python to undo the distortion introduced by Cycles. Let me tell you what I've done so far step-by-step. I cannot use ...
2
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1answer
238 views

Mist and depth render passes in Eevee are either entirely white or very little shows up

Hi everyone! I'm trying to figure out how to adjust the mist pass but it doesnt work well to begin with. I either get a completely white pass or it looks like this. Could someone better explain to ...
3
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1answer
144 views

I want to turn a 3D mesh into a height map and then use the height map to create a new 3D mesh with no undercuts

I basically have a 3D model of a man. I want to cut this out on a CNC machine, but the undercuts are proving to cause problems during the toolpathing and confusing the computer. I want to use ...
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0answers
109 views

View Z depth vs depth in preview

My rendered view z depth does not match the depth in the viewport and I'm wondering why / if there is an explanation for this. I've a super-simple scene: Just, a camera looking at a flat plane, ...
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0answers
233 views

Get image pixels from multiple viewer nodes

For Blender 2.81 and Cycles render. I want to access all of the following data passes from a Python script: Z Normal ...
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1answer
106 views

Depth map obtained from orthographic camera has no white pixels even when there is no object before the far clipping plane

I'd like to generate a height map from my scene that goes from -50m to +50m (the idea is to use that height map to flatten out ocean waves as they get nearer to the shore, and possibly more advanced ...
3
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2answers
442 views

White Noise in Blender Z Pass with alpha value in Mix Shader

I am trying to get the depth value using z pass from my scene which is a simple head model, but while rendering there is white salt and pepper noise in the hair and eyelash. I have saved in both png ...
2
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1answer
280 views

How to get accurate Z depth?

I‘m struggling to render accurate depth maps of different 3D models using Cycles and was wondering if anybody has/had similar problems and how she/he resolved them. I would greatly apprichiate help! :...
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1answer
44 views

How can I achieve the visual of objects pressing against membranes more beautifully?

Source files here and here. Hey folks. Currently building a project for a client which involves shapes and creatures pressing and moving against a membrane. I've tried using shrink wrap, cloth ...
2
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1answer
385 views

Transparent BSDF cause noise in depth layer

I have system that consumes depth and RGB output of Cycles renderer. I can observe noise in depth maps when I use transparent BSDF with ...
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1answer
1k views

Visualizing depth image after accessing render results

Based on the work of [1] I obtained the depth data of my scene as shown in the code bellow: ...