All Questions
38,560
questions with no upvoted or accepted answers
49
votes
1
answer
3k
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 ...
- 4,551
17
votes
0
answers
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 ...
- 643
15
votes
0
answers
626
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 ...
- 4,384
11
votes
0
answers
564
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 ...
- 321
10
votes
1
answer
645
views
How can I get a list of currently running modal operators?
Here I found a working solution using ctypes which allows to find out if any modal operator is currently running. I am not good in C and don't understand how it works. But I'm sure someone does, so is ...
- 1,049
10
votes
2
answers
466
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 ...
- 173
9
votes
0
answers
220
views
Play/animate images, spritesheets or video files in 'template_icon_view'
I want to "play" some animation in this UI space, the template_icon_view:
I can load all the images I want, for example:
I know that the gif format is ...
- 2,255
8
votes
0
answers
254
views
how to write a custom projection type?
Is it possible to create a lens shader with EEVEE/Cycles ?
I'd like to have the control over the camera position and the ray direction per sample. This allows to simulate various conventional lens ...
- 81
8
votes
0
answers
695
views
Operator tooltip from layout text
The concept is to make a panel layout that emulates the workspace (screen) layout. While testing I have set all the buttons to be the Splash Screen operator.
An image of how this looks for five ...
- 83.6k
8
votes
0
answers
377
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 ...
- 465
8
votes
0
answers
353
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 ...
8
votes
0
answers
1k
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)"
...
- 81
7
votes
1
answer
809
views
Rendering large image sizes in Eevee (Over 64k pixels)
I am working on creating a wrap for several walls spanning 25 to 60 feet long. People are going to be looking at these fairly close so I don’t want to go below 200 dpi for my final print quality. That ...
- 81
7
votes
0
answers
503
views
Grease Pencil minimum thickness
I am trying to turn down the size of some GP strokes to taper them. Ideally, i'd like to reduce the size of the last point in the stroke to 0 and have a sharp tip, much like you get on a curve when ...
- 6,469
7
votes
1
answer
250
views
How to display an image in my custom node
I have a custom node and I want it to be able to display an image. I know that the node has a parameter show_preview and if you enable it, no image appears.
- 149
7
votes
0
answers
1k
views
Respect unit scale when linking or appending objects
Appending/linking the same object with the same metric size from Blender files with different unit scales in Blender 2.8 results in objects of different sizes. It seems, Blender respects only the ...
- 171
7
votes
1
answer
603
views
FBX Import - What do these settings mean?
When importing an FBX file, most of the settings are self-explainable, however, there are some settings that I'm curious to know the meaning/use of. These are:
(1) Import User Properties (what are ...
- 527
7
votes
0
answers
607
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:
...
- 197
7
votes
0
answers
200
views
Filmic color management and masks
I recently had the problem of having to mask (rotoscope) some footage in the movie clip editor and render out some elements to put in there.
For rendering those 3D elements, I wanted to use the filmic ...
- 984
7
votes
0
answers
624
views
Is there a low level alternative for bpy.ops.object.convert(target='CURVE')?
(Note: Somebody asked there nearly the same question as me and got a very nice answer. However, this was to convert an object to a mesh. I have exactly the same context as this person but I want to ...
- 183
7
votes
0
answers
630
views
Can an object have multiple rigid body constraints?
I want to simulate the motion of an artist's brush. A spine of pivot-constrained spheres will collide with a z-plane, which represents the canvas. To mimic the elastic properties of a bristle I need ...
- 71
7
votes
1
answer
224
views
Is there any way to turn coordinates into curve?
I recorded fly camera movement, so I got keyframes with coordinates.
Is there any way to turn the camera coordinates in keyframes into curve?
6
votes
0
answers
105
views
Recreate Solidify Thickness Clamp in Geometry Nodes?
I am trying to build the Solidify modifier in geometry nodes. Generally this is simple as there are many ways to offset a copy of the geometry. And we have Extrude to create the Rim. However, I am ...
- 6,469
6
votes
0
answers
221
views
Blender 3.6 is unwrapping simple meshes at an angle
The latest version of blender introduced a UV overhaul that appears to work fantastically for complex meshes, but not so well for simple meshes anymore. Cubes and planes now unwrap at an angle to use ...
- 133
6
votes
0
answers
19k
views
cycles stuck at loading render kernels
ever sense I have been using the new LTS version or a newer version of blender its not loading the render kernels or sometimes it will but its just painfully slow even with the default cube scene has ...
- 61
6
votes
2
answers
1k
views
Global Slow-mo effect - Animating Time scale
Is there a way to animate the timescale of a scene for a small amount of time?
I'm looking to create an animation, and in the middle it goes from 1.0x speed, to 0.125x speed (1/8th normal speed), but ...
- 234
6
votes
0
answers
4k
views
Mirror modifier with Bezier Curve
I am trying to mirror a bezier using the mirror modifier. I would like to then make the original and mirrored bezier join/merge as one continuous curve with one direction. I then want to continue ...
- 61
6
votes
0
answers
425
views
How do I change the width of operator popup?
I've done this simple operator taken from templates.
How to change operator GUI width?
I tried scale_x and ui_units_x but no ...
- 61
6
votes
0
answers
680
views
Scale operator icon OR make template_icon clickable
I am trying to present the user with a gallery view to select a item from the thumbnails. Ideally, they click a button, are presented with the gallery view, and with a single click choose the item. I ...
- 183
6
votes
0
answers
2k
views
Is it possible to render Annotations made in View Space?
I have some animated annotations made in the 3D Viewport and I cannot render them with viewport render. It looks like the problem is that they were made in View Space.
Is there any way to have them ...
- 2,177
6
votes
0
answers
638
views
Is there a low level alternative for bpy.ops.mesh.separate()?
I am dealing with a great model, I have a problem, I want to divide it by parts, but bpy.ops.mesh.separate(type = 'LOOSE') seems to have a big problem, that is not ...
- 1,154
6
votes
1
answer
2k
views
How to wait for an operation - to another operator - to complete within an operator (import_scene)
Besides the point but why is this not working as a default stack is expected to work?
I'm trying to get an operator to call another operator and wait for the operator's response before proceeding.
...
- 186
6
votes
0
answers
1k
views
Blender 2.8 Outline Width is still thick on setting 1?
I truly wish I could avoid having to ask for help on things like this...
In Blender 2.8 object mode the wireframe displays with an extra thick outline. If I go to the outline width (default 2) and ...
- 119
6
votes
1
answer
2k
views
Distance of HDRi backgrounds
Almost 90% of the time I light my scenes with an HDRi background.
Is there a way to control the virtual distance of the background image so I can control bokeh and blurriness of the image when using ...
- 2,650
6
votes
1
answer
226
views
Why does Select-All in Face-Select mode also select isolated edges?
Blender v2.79.
Let's say I have to extrude all faces of this planar construction containing two edges not included in faces, and one isolated vertex:
In this object, there are not hidden ...
- 1,592
6
votes
0
answers
1k
views
Can Blender automatically reload external script files when they are changed?
I came across this question:
Is it possible to run a script from an external editor without reloading the file?
Which also was asked over here in a similair format:
Workflow for developing add-on/...
- 526
6
votes
0
answers
353
views
How to store rendered image as an nd array without saving the image in blender python?
After rendering using bpy.ops.render.render() to render the image. How do I store it directly to an nd array without actually saving the image and loading it back.
I noticed that after rendering. ...
6
votes
0
answers
220
views
How do you add hooks to multiple vertices at once?
I have a path with a lot of vertices and it seems very unnecessarily tedious that I have to click on each individual one to add a hook to it. Surely there must be some quick command that adds a unique ...
- 193
6
votes
0
answers
3k
views
ACES workflow in Blender
Q.: What is the correct way to import ACES 2065-1 encoded EXR files into Blender whilst keeping the look identical to what I saw when exporting from Davinci Resolve?
In both application I select the ...
- 61
6
votes
0
answers
4k
views
Convert Animation Nodes to Object and Keyframes
I have This Node Tree in Animation Nodes:
As you can see it creates objects and edit their location.
but When I render, even If I normally bake all the Dynamics, the cache disappears and then it ...
- 728
6
votes
0
answers
2k
views
How to change animated object's origin without ruining animation?
For example: I have a character and a spoon which he is holding and moving thanks to child of constrain. My character releases the spoon a little bit above a plate. So I came up with idea to use rigid ...
- 195
6
votes
1
answer
2k
views
How to update compositing nodes via script?
I create some nodes in compositing via python script:
...
- 179
6
votes
0
answers
962
views
accessing Blender objects from external Python IDEs
I would like to manipulate Blender objects from Spyder (not using the internal Python editor). Basically I would like to have Blender running and Spyder running as well, and then interactively access ...
- 161
6
votes
1
answer
4k
views
Blender scene animation exported to Three.js without bones or skinning?
I have a mountain range scene very similar to this:
The mesh is a simple plane extruded to form a low poly mountain range, the animation uses 3 shape keys, a base and 2 for random vertices ...
- 315
6
votes
0
answers
305
views
File output node and output panel both exporting during animation
I have an animation ready to render but there is a small annoying issue. I currently have a basic file output node to export the raw render and a mist pass and they are both set to export to the ...
6
votes
0
answers
490
views
Does anyone have an example of template_curve_mapping?
I'm doing some test with template_curve_mapping.
I have write this code:
...
- 482
6
votes
0
answers
727
views
Add custom textures and vertex attributes
I'm a new user of Blender, but I have 10 years experience of 3d development (mainly C++/OpenGL, but I know Python pretty well).
Now I plan to use Blender as a replacement tool for the "good old ones ...
- 61
6
votes
1
answer
2k
views
How to crop image based on Alpha in Compositor?
I wonder if there is any way to crop a image based on alpha data like this:
The reason I want to do this is that I want to crop the White area of another image (of the same dimension to the Alpha ...
- 27.6k
6
votes
2
answers
43k
views
Is there a way I can make a hollow object solid?
Yesterday i managed to create this shape that is similar to a teardrop.
Front view:
Side view:
I then mirrored it on the Z axis using the mirror modifier like this:
But the shape is hollow from ...
6
votes
2
answers
4k
views
Rigid body: how to display collision margin in Blender 3D?
Hello I'd like to display the collision margins in rigid body simulation how could I do with objects and particles ?
- 81