Unanswered Questions

29,860 questions with no upvoted or accepted answers
42
votes
1answer
2k views

Custom trackpad pan/zoom/rotate behavior add-on

I'm trying to write an addon to customize the trackpad panning, zoomimg, and rotating gestures, but can't find a way to read the actual trackpad parameters for position and so on. The properties in ...
23
votes
0answers
951 views

Property Panel Custom Popup Menu when user presses hotkey over an input field

is it possible to trigger this kind of menu: in the property panel when I press a hotkey over a button/input field? I want to specifically,when the user presses a specific hotkey when over an input ...
20
votes
0answers
743 views

How to make a dynamically expanding menu in Blender?

Say we want to navigate a tree structure without knowing all the data ahead of time, is it possible to do this in Blender? For example, a menu which dynamically loaded a directory hierarchy from the ...
15
votes
1answer
2k views

Per-Vertex lighting in GLSL?

How can I achieve per-vertex lighting (like in single/multi-texture shading) in GLSL with all of the other GLSL features (like buffer shadows, texture layers, etc.)? Bonus points if it can be done in ...
13
votes
0answers
395 views

Generated Previews - low-resolution and dark shading fix?

(2.79 - Blender Internal) Generated Previews is very handy feature for previewing assets when importing / linking, I would just like to know if there is a way to: Make thumbnails lighter to match ...
13
votes
1answer
2k views

How does blender calculate poseBone.matrix?

How does blender calculate a poseBone.matrix through the hierarchy chain? A bone's final matrix is a transformation matrix which defines the bone in armature-space in the current pose (M1). I want to ...
12
votes
1answer
1k views

Apply force along normals of cloth mesh

I'm trying to simulate an inflatable mesh by applying a force field to a cloth. As air pressure always acts perpendicular to a surface it might be a close enough approximation when pushing all ...
11
votes
1answer
328 views

Set Active FCurve in Graph Editor through python

I'm trying to set an FCurve in the Graph Editor to "Active" through python. In the API FCurves don't actually have an "Active" property, but manually click-selecting a channel or keyframe on an ...
11
votes
1answer
2k views

Linking object data without changing rotation?

I have multiple objects that I would like to all use the same mesh but maintain their individual rotation positions. As it is, when I link their object data, all the objects rotate to the same ...
11
votes
1answer
376 views

How to call original operator from operator's override?

I would like to amend functionality of an existing operator with a condition check and then "proceed" with the original operator (if condition check allows it). It is essentially what is ...
10
votes
0answers
774 views

Stencil Image low resolution

I am trying to texture paint a mesh using a pretty high resolution stencil image.. But when I try to zoom into the image to paint the details...it appears as if it was very low res... Is there any way ...
9
votes
0answers
110 views

Floating point precision problem with transparency?

I guess this is a question of understanding, but perhaps I'm overlooking something which might solve my hassle with rendering of objects with transparency in cycles. I'm working on a project with ...
9
votes
0answers
203 views

When is the depsgraph_update handler triggered? (and how does the depsgraph work? )

I've been looking at the depsgraph changes in the documentation here, but I don't know if I understood it right: the dependency graph is a sort of diagram that links data blocks to each other so that ...
9
votes
1answer
684 views

Change multiple custom properties simultaneously

When I ⌥ Alt LMB on a transformations property, I can change multiple the property for multiple object with once input action. The property turns blue for the duration of the operation. Is ...
9
votes
0answers
676 views

How to bring the context "back" after running read_homefile()?

When I run import bpy bpy.ops.wm.read_homefile() and then I replace the above with this (in the same text data block) ...

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