Questions tagged [depth-map]
The depth-map tag has no usage guidance.
63
questions
2
votes
1
answer
88
views
Trying to use python API to output depth and normal images -- but no files are outputted
I've copied my script below. The script runs fine and it feels like everything is set up correctly but no depth or normal files are outputted ... is my renderer maybe not using the right output node?
...
- 123
0
votes
0
answers
33
views
z-pass get jagged with depth of field on
I was rendering meshes and grease pencil with cycles, when I turned on depth of field, the edges of z-pass get jagged. I use 3060 laptop. Is there any way to solve this issue?
0
votes
0
answers
76
views
Edge detection on depth image
I have a 3d model and I want to apply an edge detection to the depth-image of the current viewport. I thought this might be possible with the composite tool. At least if offers a laplace and sobel ...
- 107
0
votes
0
answers
36
views
Logarithmic Depth Map
Would someone know how to create a logarithmic depth map where the precision level decreases the further away you get from the near plane? It seems like the Z Pass in Blender's render layer node only ...
- 1
0
votes
0
answers
46
views
Depth Map of a Sculpt
I have sculpted a model in Sculpt mode within Blender. It model has:
Not been Rendered
Not been retopologized
2 million vertices
2 million faces.
need to be rigged, 3d printed or animated.
I'm new ...
0
votes
0
answers
84
views
Obtaining real Z depth map of a scene not clipped
This question has been posted many times, but it is impossible to do something working with the new versions of Blender.
I am trying to obtain the real depth map of a scene, meaning that I need to ...
- 23
0
votes
0
answers
24
views
How to move vertices in depth mesh for 3D photos stanford .ply
depth mesh from a stanford .ply. From Stable diffusion Depth mesh generation. Stable diffusion does a great job but sometimes needs correction. It makes small mistakes deciding what should be at what ...
- 1
0
votes
0
answers
13
views
Lock depth buffer to specific object for compositor
I am working on creating a simple outline that renders on and behind a specific object. I want the outline to dynamically be carved out by objects in front of my object, and the outline to occlude ...
- 392
0
votes
3
answers
365
views
Transparent textures result in extremely noisy mist pass
When rendering a mist pass in cycles in a scene that contains textures with alpha, it becomes essentially unusable due to noise.
All posts and solutions I could find about this seem to be outdated and ...
- 87
0
votes
0
answers
14
views
Unable to add Compositor Point Density Node - 3D Point Cloud render
I am trying to create a 3D point cloud for a certain scene as part of a 3D vision project I am working on.
I am still learning how to use blender for this purpose, and after reading the documentation ...
0
votes
1
answer
63
views
My depth map (displace/texture) and image (on plane) aren't lining up?
Super easy solution im sure but i just can't seem to figure it out.
Im attempting a Parallax effect and am using a depth map as texture for a displacement modifier however the displacement is rotated ...
0
votes
0
answers
82
views
How to composite Freestyle layer with surface layer using Z Combine node?
I'm trying to render (in Cycles, Blender 3.0.0, can upgrade if it helps) an image that combines surface shading and Freestyle. I need to be able to combine these using the Z Combine node, but it's not ...
- 807
0
votes
1
answer
695
views
Depth layering is not showing up on the rendered image in the compositing window
Very new to Blender and have been following this tutorial Create a Realistic Forest in 30 Minutes
While composting [21:32 in the tutorial], he connects the "Render Layers" depth pin to the &...
- 133
0
votes
0
answers
37
views
How to edit live map on BlenderGIS?
Can I animate a live map on BlenderGIS?
I wanna make map animations in Blender using BlenderGIS add-on. Currently I came to know that I can export from the live maps and then can animate. But I wanna ...
0
votes
1
answer
26
views
import ply file and rander depth map using nodes
I sucessfully import .ply file using add-on. Now I am trying to get depth map using composting nodes. But I found that the imported ply has no Z channel.
So how can I handle it?
- 11
4
votes
1
answer
100
views
Render depth, vector and normals without rendering RGB
I've rendered RGB images from a set of blend files and now I want to generate depth maps, normals and speed vectors from the blend files. Since generating these takes much lesser time as compared to ...
- 311
1
vote
1
answer
545
views
How to get a disparity map from depth map in Blender?
I am trying to convert the depth map to a disparity map but I got some problems. Here is my setting in compositing nodes.
I use these two equations:
(1) focal_length(pixel) = focal_length(mm) * ...
- 13
1
vote
1
answer
232
views
Blender for elevation models - split object z coordinate at 0
I'm using the GIS addon (https://github.com/domlysz/BlenderGIS) to import digital elevation models into blender. So far so good, it puts a regular mesh at the right coordinates at the correct scale ...
- 113
1
vote
1
answer
175
views
Slicing a scene corresponding to depth
I was going through a paper on near eye display by S. KAZEMPOURRADI et al. In the paper, the authors sliced a scene corresponding to distance from view plane using Blender. I am unable to so in ...
- 13
0
votes
2
answers
117
views
Render Layer Compositing - Get closest pixel to camera
I'm creating something like a depth map material. I tried Camera Data approaches but I could not get what I wanted.
Render Layer Compositing is working better, but I'm try to normalize in a slightly ...
- 553
0
votes
1
answer
417
views
Misalignment of depth map when projecting two views into 3D point cloud
Similar to this question, I'm projecting two views (RGBD) back to 3D point cloud, but observed severe misalignment.
The two views are generated using the same blender script. The blender file is here.
...
- 51
1
vote
2
answers
321
views
Creating "Local" Z Depth
For context, I'm trying to create a stylized shader in Eevee that will allow for me to create a "halo" effect around the outline of carded hair, similar to that of fresnel/facing. However, ...
- 183
0
votes
1
answer
603
views
Add more "depth" starting with one texture
I am using the Node Wrangler to apply the texture (I am using just one texture, a simple photo) to simulate roughness, normals and so on.
Is there a way to create more "depth" starting from ...
0
votes
0
answers
186
views
computer graphics ,render depth image from many meshes and triangle
how to do this?Given a scene consisting of 16000 triangles/meshes, for example, given 1000 cameras pose which expressed in 4x4 rotation matrix, how to quickly render 1000 depth image， does not need ...
- 1
0
votes
0
answers
33
views
How to save only Z-Pass Depth information as image? [duplicate]
Sometimes, I find it convenient to render a scene from the top with an ortographic camera and use the image as texture for another scene (kind of like using a flatbed scanner for scanning tree leaves ...
- 1,157
1
vote
0
answers
235
views
Pointclouds from rendered depth images do not align
I am trying to render multiple RGB-D images of a given object in Blender 2.93 using the python interface. The scene contains a single object at position [0, 0, 0] and I am rotating a camera around it ...
0
votes
0
answers
134
views
Generating RGB,EXR or Both on demand using Blender Python
I am trying to generate a python script for rendering RGB and/or an EXR file(for getting the mist pass) for spherical images using blender.
So I have a scene and I am using the cycles rendering engine....
- 43
2
votes
2
answers
613
views
Can I increase Eevee's z-buffer precision to avoid step effect on gentle inclines?
I try to export precise depth information from Eevee's z-buffer, however on gentle slopes it produces a step effect, which led me to believe the Eevee's z-buffer might use half precision floats to ...
- 23
1
vote
0
answers
76
views
Despeckle not working properly
When i am using despeckle in the compositing tab to clean up a depth pass it just slightly reduces the noise. In the video I am watching one despeckle already works better than 6 for me.
first picture ...
- 128
0
votes
0
answers
697
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 ...
- 43
2
votes
0
answers
321
views
Is there a way to save single channel OpenEXR output files in blender
I am currently trying to save the depth using a technique under the following: Getting the depth of every pixel to the center of projection of the camera in Blender (effectively storing the mist pass ...
- 43
0
votes
1
answer
220
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 ...
- 1
2
votes
1
answer
512
views
Getting the depth of every pixel to the center of projection of the camera in Blender
I am trying to get the depth of every pixel to the center of the projection of the camera in blender. I am trying to get the actual depth and not a normalized value. Hence have I tried the following ...
- 43
2
votes
1
answer
544
views
Find Orthographic scale to match perspective view size
Is there any way to find the scale of the orthographic camera so that it matches the view field from the perspective camera? So for example if I render a plane in perspective mode and I see a certain ...
- 31
0
votes
0
answers
547
views
Displacement map exporting trouble
So, following tutorial by creating Displacement map (through ProjectAll) and then exporting it with the model to Blender (through Multi Map Exporter plugin (UDIM format)
and GoB addon) then applying ...
- 1
4
votes
1
answer
190
views
Discontinuous large values in depth map
For my project, I save rgb frames (PNG format) and the depth maps (EXR format) for different camera views. The compositor setup I use is shown here and I use Cycles.
When I read the raw depth values, ...
- 393
0
votes
1
answer
127
views
Baked normals not calculating gradient smoothly when using a depth map
I'm currently trying to bake normals using a depth map generated from a rigid body simulation I did featuring a few hundred coins -
The problem I'm encountering which I wasn't able to find anywhere ...
- 289
0
votes
0
answers
169
views
Depth Pass for Particles in Blender
Can't find much information on this but I have tried using the Depth > Normalize > ColorRamp to control depth pass for particles but doesnt seem to work. Any ideas?
- 1
3
votes
1
answer
1k
views
How to change file output node's file subpath value in python
I want to change the value of File Subpath of File Output node in Compositor from python. I'...
- 311
0
votes
0
answers
53
views
Generate DOF (not depth) map from blender
I've found several ways to generate depth map from blender, but if my focus point is not the closest one, or the width of my focus area is bigger, I can't really use them to add depth of field later, ...
- 27
1
vote
0
answers
57
views
multi layer depth map for edges ambivalent probelm
I want to render a depth map.
The issue is in the edges between 2 depths z1 and z2:
As discussed in this post:
How does anti-aliasing work in cycles?
There are 2 options: aliasing and anti-aliasing
...
- 11
1
vote
0
answers
33
views
Create Depth Pass Based on Real World Units
I'm trying to generate synthetic training data as part of some research for my university. This data should resemble depth images captured from my camera (Realsense L515). I've been able to get good ...
- 21
10
votes
1
answer
4k
views
Calculating 3D world co-ordinates using depth map and camera intrinsics
I am looking to annotate points on a rendered 2D image and then use the rendered depth map with the camera intrinsics to find where the point in 3D space is. This process is identical to creating a ...
- 111
2
votes
1
answer
953
views
Compositor viewer node output never updates when rendering via Python script
Based on this answer, I am trying to extract the per-frame RGB and depth arrays of some animation scene.
However, the compositor render layer and viewer node setup that I am programmatically building ...
- 131
1
vote
0
answers
156
views
Large values (Inf) in raw depth map
I render depth maps, in Cycles, in OpenEXR format (because I need the actual distances) and later read them in python using the openexr package.
I save the depth maps like this: Connect 'Depth' of ...
- 393
2
votes
1
answer
2k
views
Is it possible to save depth values and rendered image in different formats?
I render rgb images and depth maps for a series of frames in blender. For depth, I actually need to store the float values as such, so that I can read them off directly in a python file later. For ...
- 393
4
votes
1
answer
993
views
Z buffer read from exr file is all ones
I render RGB images and their depth maps as well for a series of frames (using cycles). Specifically, I need not a B/W depth png/jpg image, rather the actual depth values itself, which I can later ...
- 393
5
votes
1
answer
12k
views
How to render height map in Blender?
I've seen several tutorials on how to use a displacement modifier and a texture to create a terrain from height map data, but I want to go the other way. Given that I have used sculpt tools to hand ...
- 1,566
2
votes
2
answers
498
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. ...
- 183
2
votes
1
answer
375
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' ...
