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33
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 ...
15
votes
0answers
687 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 ...
14
votes
1answer
1k views

How can I remove a linked library with Python?

Load and add linked object I'm working on an add-on. The purpose is to link and un-link groups from another blend file. Thanks to stack exchange and the Blender documentation this works pretty well. ...
13
votes
0answers
307 views

How does anti-aliasing work in cycles?

As far as I understand, cycles anti-aliasing in cycles (per default), works by sampling around a specific arc/vector determined by the camera position/rotation. This explanation and my experience ...
13
votes
0answers
401 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 ...
11
votes
1answer
7k views

What's a good strategy for texturing large objects?

I'm wondering about the best way to go about setting up textures for a house meant for a game. I've read some things that say I should create a single large texture (2056x2056), paint all my details ...
10
votes
0answers
130 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 ...
10
votes
1answer
1k views

How do I snap a vertex along a local axis?

If I'm trying to move a vertex along any axis other than global X Y or Z, it doesn't snap to another line or face (at least not in a useful way). For example, this is what I want: But trying to snap ...
10
votes
1answer
1k 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 ...
9
votes
1answer
607 views

Multiple character instances with BlenRig workflow?

I'm working on a project that requires using many instances of the same character and rig in a scene, which I've created using BlenRig 5 (working great). How do I go about instancing the character ...
8
votes
0answers
130 views

how to configure facility wide configuration files

We'd like to integrate Blender into our pipeline. With other software packages, we usually have cascading configurations: facility (eg configuring temp folders and common plugins) project (eg project ...
8
votes
1answer
452 views

Fluid Domain disappears in cycles viewport render

I'm experiencing this weird behavior with a fluid domain. It looks like something is occluding the object whilst there's nothing else in the scene. Even if I apply the FluidSim modifier, I still ...
8
votes
3answers
2k views

How to bake high to low poly normals for multiple objects on one normal map?

Imagining I have multiple objects which make up a scene including high poly and low poly of each object and I want to put all of the baked information onto one map. What would be the easiest way to ...
8
votes
0answers
756 views

Constrained depth of sculpting

In Sculpt mode, I need to fix Adding/Substracting of the object to a minimum/maximum depth, that I've predetermined. I need the whole mesh to be smooth, as if I used normal brush but with a Layer, ...
8
votes
1answer
274 views

What do different execution contexts mean?

The documentation says that I can invoke an operator with a different execution context, either invoking or executing it. What I know is that invoke will most often ...
7
votes
0answers
313 views

How to get Blender 2.80 to render through an ssh connection? [Minimal working example provided]

I am using Blender 2.80 on my local machine and the machines I am connecting to via ssh. My local machine is Ubuntu 18.04. I hope to use Blender to programmatically generate images as part of my code ...
7
votes
0answers
119 views

How do you avoid dependency cycle between two soft bodies?

How do you setup two softbodies with collisions without getting a dependency cycle ? A depends on B through Softbody Collision B depends on A through Softbody Collision Those two objects interact ...
7
votes
1answer
1k views

Toon Shader Cycles- Change Color of Shadows

I made a character for a mobile game in Blender, Cycles, and i used a toon material as shader. Now, for each toon material i create, i used an 'Image Texture' as a color gradient. I like the result, ...
7
votes
0answers
180 views

Problem with sculpting, using graphics monitor

So I have this graphics drawing monitor Huion Kamvas, that I'm trying to use with the blender sculpting, and I am getting this weird issue. Whenever I try to put the first stroke on my object, ...
7
votes
0answers
224 views

Blender on Windows is skipping python script. (brenda on windows)

We've been using Brenda for quite some time now for rendering architectural stills. Since our editing stations are doing nothing at night, I started making a desktop app that allows you to pick jobs ...
7
votes
1answer
853 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 ...
7
votes
2answers
1k views

How to make beer foam

I want to make a beer foam, not just for an image. I want the beer fluid to pour in the glass and automatically make foam on the top of the glass and drop down due to over flow. It should be in ...
7
votes
1answer
233 views

Why can't I smash these 2 fractured objects together?

I have 2 objects that have been fractured, but for some reason I can't apply keyframes. I tried testing animating a cube to see if there were larger problems with settings but that worked fine. ...
7
votes
2answers
678 views

Make path move like snake in snake game

In my game I have a Nurbs curve in the XY plane. I have a rigged car, that has a follow path constraint, so that it follows this curve. I would like to make the ...
7
votes
0answers
1k views

Using a video from the Video Sequence Editor in the Movie clip editor?

So what I want to do is track a video that I have edited in NLE, but when I click on the movie icon whilst in the Motion Tracking layout, the list is blank.
7
votes
1answer
2k views

File format changes from MPEG to .DVD

I have an issue with rendering an animation. I set the file format to mpeg but when it finishes rendering the output file that it gives me is '.dvd'. How do I solve this problem?
7
votes
1answer
218 views

How to load an internal blender image using OSL?

OSL has the texture command that we can use to load image files and map in an object. Dfelinto made a nice video about it some years ago. https://www.youtube.com/watch?v=V5N2rnFtSlw We also have many ...
6
votes
0answers
113 views

Copy scene node tree to other scenes

I have a Blender file wih many scenes and I want to copy the node tree of one of them to the other scenes. From Blender interface it is a very simple task, in python I have tried using bpy.ops.node....
6
votes
1answer
160 views

Branching and swirling mesh on a ring

I need help constructing this ring. I thought it would be simpler, but the splitting and recombining of curves that swirl in variously symmetrical ways make the intricacy a little more difficult than ...
6
votes
1answer
130 views

Animate Curve along mesh surface

i am trying to find a way to aproach, animating a curve along a mesh surface, like having a wire creating a mesh. I thought about having a curve snapped along the mesh and then animate the wires. Do ...
6
votes
3answers
2k views

Weight Painting/Deform in shoulders

So I have been messing around a lot with the weight painting on the shoulders. I'm still new so I don't know much about the type of weights should be on the shoulders, I've tried a lot of different ...
6
votes
1answer
933 views

Antialiasing textures in cycles (Blender 2.77 and higher)

I would like to get an answer to a frustrating question. https://wiki.blender.org/index.php/Dev:Ref/Release_Notes/2.77/Cycles In this link is "Anti-Aliasing is now enabled for baking. (c359343)" ...
6
votes
0answers
245 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 done in ...
6
votes
4answers
855 views

How do I color the shading of a material?

Some art styles increase the saturation in their shading, I'm trying to achieve this effect as seen in cell #2 of my example image. Right now it looks like cell #3, which lacks this and looks dull in ...
6
votes
0answers
1k views

Does a model exporter embedding materials as GLSL scripts exist?

as described in Blender Shader in OpenGL/GLSL, it is possible to export the (unoptimized) GLSL code generated by Blender for a given material. Since the viewport can use such GLSL for real-time ...
6
votes
0answers
2k views

How to get actual rendering progress and estimation from render_stats python handler?

There is render_stats bpy handler It seem like it is invoked every time rendering engine prints to console smth like ...
6
votes
0answers
412 views

Save screenshot (bge) without writing to disk

This is a little odd but I need to save a screen-shot as an array (numpy array for eg) without writing to disk. The idea here is to create and then call the array once per frame in an external script ...
6
votes
0answers
1k 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 ...
6
votes
1answer
181 views

3D Stereo Active shutter vision LCS glasses realtime viewport?

Is it possible (or maybe already implemented by someone) to configure the viewport to display stereoscopically at a set frequency dependent on the given screen refresh rate, while having the frequency ...
6
votes
1answer
201 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 ...
5
votes
0answers
61 views

Saving blend-files straight to server nets 0.5% speed of a windows file copy, how to fix?

Some context: Part of our company (about 3 fulltime people) do ArchViz, we're using Blender 2.79b and are transitioning to Blender 2.8. Tests underneath were done using 2.8. I'm not an artist myself ...
5
votes
1answer
570 views

Visible gaps in mesh when using adaptive subdiv and multiple materials

No matter what I try, I can't close a visible displacement gap between materials when I'm using Adaptive Subdivision. Enabling Auto-Smooth in the normal options fixes gaps on the corners of objects ...
5
votes
1answer
126 views

Hide Floor overlay from viewport render in Blender 2.8

In 2.79 Floor grid hides automatically when doing viewport renders, but stayed in place for solid view. How can I obtain such behaviour in 2.8? Manual unchecking Floor from Overlays is a bit annoying
5
votes
1answer
253 views

Workflow: Cloth simulation without disabling armature

The typical workflow for cloth is to have areas that are attached to the body be Pinned, and influenced by an armature limited to the Pinned group. The rest of the garment would not be influenced by ...
5
votes
0answers
592 views

Keying visibility of object collections with single property in 2.8?

I know this is a common issue, but I can't believe there isn't a better way to hide/reveal objects in an animation, besides moving them far into the distance from camera, scaling to 0 or keying the ...
5
votes
0answers
162 views

Can Blender Internal Render passes be put back together again?

I'm stuck with a simple task. I need to tweak some render passes of the image, and then put them back to the combined composited image. For Cycles I use this scheme from the manual: It works as ...
5
votes
0answers
238 views

Update function for NodeSocket?

How do I set a callback for socket input change (value or link change) when having a custom node? I have a socket defined like: ...
5
votes
0answers
92 views

How does “Flip Normals” affect Face Corner Data?

I use the "Normal Edit" and "Data Transfer" functions a lot, therefore I'm working with custom Normals with Face Corner Normals that differ from the Vertex Normals. The Pink lines represent the Face ...
5
votes
1answer
135 views

Smoke Simulation Vibrating

Last week I started making a volcano that was starting to erupt. I've got some sparks and I made a nice smoke simulation. I clicked Bake All Dynamics and then rendered. The result was a nice volcano ...
5
votes
2answers
660 views

Make particles follow true (material) displacement

I'm experimenting with some procedural surfaces and I have a particle system on it. The problem is that, even though I'm using material displacement, the particles lie flat on the mesh. Is there a ...

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