Linked Questions
75 questions linked to/from Python performance with Blender operators
5
votes
2
answers
3k
views
Object creation slows over time [duplicate]
I know that this has been asked before, but the answers that others have received did not help me much. When creating objects through Python, using bpy.ops.mesh.primitive_cube_add() there is an ...
- 1,779
18
votes
2
answers
52k
views
19
votes
4
answers
24k
views
How to make object A a parent of object B via Blender's Python API?
I have two objects each of them hold in a variable. Now I want to parent them so object A is the parent of object B. How can I ...
- 1,315
20
votes
4
answers
28k
views
How to join objects with Python?
I try to do this:
bpy.ops.object.select_all()
bpy.ops.object.join()
in my script. It selects all the stuff like CtrlA but fails on ...
- 1,919
33
votes
4
answers
6k
views
Why avoid bpy.ops?
Simple and maybe stupid question:
I was reading this lot of time, that
"you should avoid using bpy.ops, or "instead of ...
- 1,919
12
votes
3
answers
6k
views
Duplicating non primitive mesh with Python
I've created a mesh I want to duplicate using python with specifications for the new duplicate's coordinates. How do I do that?
- 360
12
votes
4
answers
13k
views
What is the replacement for scene.update()?
It seems the following is no longer available in blender 2.8 api
bpy.context.scene.update()
How do we update objects in the scene that have been changed by the ...
- 123
8
votes
4
answers
6k
views
Blender becomes very slow with large amount of objects sharing mesh data
In my script I am importing a large amount of objects (+2500) but sharing the mesh data from one single primitive. While this has taken care of importing speed, it completely slows blender down. ...
- 399
17
votes
1
answer
10k
views
How do I create a new object using Python in Blender 2.80?
As part of an existing add-on, I'm trying to create an object and add it to the scene using Python. I followed a Blender Cookbook tutorial found here: Three ways to create objects. I use the following ...
- 1,952
11
votes
2
answers
3k
views
Rotation around the cursor with low-level python (no bpy.ops)
In order to optimize my script, I would need some help to perform a rotation around the cursor
(see Rotate object around cursor with Python)
With low-level python, that means, without ...
- 737
8
votes
3
answers
3k
views
PythonScript to load data as colored point-cloud
Background
I want to render 3D points with color information for scientific visualization. I have several hundred thousands of points up to 2 million. For each point I have [xyz] coordinates and two ...
- 180
5
votes
3
answers
4k
views
How can I create many objects quickly?
In my application I have to create up to some 1000 tetraders (objects with 4 vertices, 4 faces, 6 edges). As input I get only the absolute vertex coordinates for each tetraeder. From the mathematical ...
- 189
5
votes
1
answer
3k
views
Setting the origin for each object to geometry
Blender 2.83
In python I can create all of the features that I want in my world, but when I go to the world, each thing has the same location data. I can click on each and click set origin to geometry,...
- 53
0
votes
1
answer
3k
views
How to remove all unused material slots from all objects?
Is it possible to remove all unused material slots from all objects? I am aware of "Remove Unused Slots" option when one object is selected ("Remove Unused Slots" affects only the ...
- 568
3
votes
3
answers
3k
views
How can I delete keyframes and animation data for all selected objects?
I am trying to do as the title suggests: remove all keyframes and animation data from all selected objects.
I am just starting out with Python and add-on development so this has proven to be a ...
- 1,361