All Questions
Tagged with coordinates rendering
16
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Question about bpy's matrix_world to torch3d coordinate system conversion
From the visualization results, it appears that the camera pose I converted is not accurate. It has moved backwards. Is there have any suggestions ?QAQ
1.difference of cameras space
2 some discussion
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31
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I want to find the three-dimensional coordinates of the light hitting the surface of an object
I simulated the effect of a laser with a light, causing it to shine on an object, as shown in the figure. Now I want to find the pixel coordinates of the light bar after rendering is completed. Is ...
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-1
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1
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273
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Exporting X & Y coordinates to file
Im trying to export X & Y coordinates of certain object to file with this script I found years ago somewhere:
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226
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How to get the pixel coordinates of a rendered object
I want to render an object (plane) and want to know exactly where this object is in the image.
To do so, I discovered this answer which was already quite helpful.
Here the code I use, based on the ...
- 153
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How to calculate the rendered Blender freestyle stroke coordinates
Is there any way we can access the coordinates of the rendered stroke as we can access for e.g Cube mesh.
Since we can see if we enable blender freestyle rendering, it does the stroke rendering based ...
6
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1
answer
448
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Finding image coordinates of rendered vertex after refraction, distortion, etc
I'm in blender 2.92 working with the Python API. I know how to get the pixel coordinates of a vertex before refraction, lens distortion, etc.--see e.g. How to find image coordinates of the rendered ...
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187
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Bounding box of 3D object in 2D render is offset
I am currently trying to translate a 3D object in my Blender scene to a region of interest in the respective 2D render. I have found these solutions 1, 2, and 3 that make use of the ...
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244
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How I can find the the 3D location of the vertex Groups in Mixamo character?
I added an animated 3D character from mixamo and I need to find the "3D location of the vertex Groups" ( I am completely new to this software )
I found it a little similar to my issue but it ...
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How to get 2d pixel coordinates of multiple objects bounding boxes from rendered image with python in blender 2.8?
I know there're many questions similar to mine, but they are a bit too old and not working with newest version of blender.
I found this two, but have no idea how to use them:
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837
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UV Mapping, XZY coordinates to UV coordinates
I'm kind of new to this and found myself having issues wrapping my head around UV-mapping. (also not 100% sure if this is the correct forum for my question)
I am working on a small rendering engine (...
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809
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How to map/project bone coordinates to camera coordinates sytem/view?
I need the bone-head coordinates to be mapped on to the camera view. Actual scenario is to obtain the 3D coordinates of bone/joint. This is how I do it now.
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How to find if the vertex of an object is occluded by another vertex/face in front of it from a given viewpoint?
I can use the recipes on this page: How to find image coordinates of the rendered vertex?. But is there a way to know if a point is being occluded by some point/face in front of it from the viewpoint ...
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4
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1
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2k
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How can I get the projection matrix of a panoramic camera with a fisheye equisolid lens?
I am working on a project in which i used the panoramic camera with fisheye equisolid lens on Cycles render. For some tests, I need the projection model that uses by this camera to project a 3D point ...
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3
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1
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blender camera from 3x4 matrix
In computer vision, the transformation from 3D world coordinates to pixel coordinates is often represented by a 3x4 (3 rows by 4 cols) matrix P as detailed below. Given P I need code to return a ...
- 1,243
29
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2
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3x4 camera matrix from blender camera
In computer vision, the transformation from 3D world coordinates to pixel coordinates is often represented by a 3x4 (3 rows by 4 cols) matrix P as detailed below. Given a camera in Blender, I need ...
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