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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
Haitao Xiao's user avatar
0 votes
0 answers
54 views

How to obtain vertex position and rotation data from a mesh made from geometry nodes?

I'm attempting to obtain location and rotation data on each vertex in a curve mesh that I draw on top of a shape, but I cannot find a way to export this information. For my project, I need the ...
JoshuaENGR's user avatar
0 votes
1 answer
320 views

Morphing 3D objects with Coordinates using Python/Geometric Nodes

I really need your help. I am looking at morphing, say a cube into a sphere. I wish to do this by scaling/transforming specific points of the cube to new points (with coordinates) in order to form a ...
O I's user avatar
  • 1
0 votes
2 answers
277 views

UV cube projection preserving vertex coordinates

When I apply "UV > Cube projection" it centers all the islands somewhere around (0.5,0.5) UV coordinates. I'd like, however, to preserve the the local vertex coordinates. For example if ...
Yakov Galka's user avatar
2 votes
2 answers
1k views

Getting vertex coordinates with applied shape keys

I'm trying to write a function that returns vertex coordinates including their transformation that was a applied by (one or multiple) shape keys. Currently this is how I tried, but I only get vertex ...
dermit's user avatar
  • 23
1 vote
1 answer
807 views

select certain vertices and export the xyz coordinate

How may I select certain vertices I want from this 3d mesh in Blender and export these vertices coordinates values as a table in a *.xls or *.csv file format? I'm looking at 100 over vertices to be ...
Ranvier Lee's user avatar
1 vote
0 answers
80 views

Error Setting new vertice coordinate values in python - 'BMVertSeq' object does not support item assignment

I have a model containing two meshes which need to be resized with python. Let's call them an artwork and a frame. I want to resize the artwork depending on parameters passed in, but for simplicity ...
mjuk's user avatar
  • 111
1 vote
3 answers
1k views

Draw straight lines for sphere/polar coordinate meshes

I want to make a texture that basically splits a sphere into 8 quadrants, and has two boxes which are place on opposite poles (since these two boxes are where more of the visual detail is in an ...
Skyler's user avatar
  • 111
0 votes
1 answer
2k views

How to Copy and Paste Vertex Coordinates?

I have two meshes that are almost identical to each other. Mesh 1 is a human head, and Mesh 2 is the same head but cut in half. (think no mirror modifier) Both have the same topology where it would be....
MS D's user avatar
  • 21
6 votes
1 answer
1k views

Python: How to identify (by index) the edge closest to a given location?

I want to find the edge index of an edge, for the purpose of performing some operation on that edge programmatically. If I know where that edge is in a simple mesh (for example if I know its Z ...
Mentalist's user avatar
  • 19.3k
0 votes
2 answers
1k views

How to get 3D points of a Mesh in world space coordinates? [duplicate]

I have a blender file with this scene (below) seen from the camera. Now I need to get the 3D points of the mesh (the doughnut) in world space according to the camera perspective, pragmatically. ...
Radwa Khattab's user avatar
1 vote
1 answer
299 views

How do I project a texture onto an object on a single axis instead of it wrapping around the object?

I'm trying to get a texture to work along one axis but distort along another, I know this sound weird but I'm trying to emulate a corrugated card effect. At the moment I have your standard node setup: ...
Certi's user avatar
  • 41
0 votes
0 answers
204 views

Some vertices in my mesh seem infinitely far away

Some vertices in the mesh go outside of the viewport. Even when I zoom the view out I cannot find the position of thr vertices. It seems to be infinite. Sometimes a few vertices of the mesh move to ...
kannan's user avatar
  • 1
4 votes
1 answer
570 views

Coordinate XYZ limitation of 10,000 - Workaround questions

Blender has a limit of 10,000 for the coordinates of the X, Y, Z component of the location’s value of the vertices in edit mode. This causes a problem for editing large objects like mountains or ...
SebDev9's user avatar
  • 109
1 vote
0 answers
55 views

Code for creating a mesh from a collection of points in Blender [duplicate]

I have a set of points in a text file that define the edges of a solid object. Each line in the file is a collection of points (x,y,z) which form a closed loop. Stacking these loops forms the object. ...
MadPhysicist's user avatar

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