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29,322 questions with no upvoted or accepted answers
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31 views

How exactly is orientation determined for hair particles rendered as objects?

I am using a Blender 2.8.x hair particle system to render particles using objects, but I cannot figure out precisely how the generated objects are oriented. At least not in all cases. If I do NOT ...
4
votes
0answers
61 views

Blender won't render sound (even when enabled) in Compositor

I'm having fun compositing some videos on Blender and it's awesome. However, when I'm done compositing a video and start rendering with both Compositor and Sequencer checked, the video renders with ...
4
votes
0answers
72 views

Blender python interpreter doesn't like cuda: Trying to run cupy

I'm trying to launch some form of cuda interaction via the blender python interpreter and keep running into Segmentation Faults. After tracing through the code with python's ...
4
votes
0answers
306 views

Drag & Drop custom mesh formats into viewport

I have an add-on for importing/exporting a particular mesh format. Is there a way I can have drag & drop of this file type from the file browser into blender viewport automatically trigger my ...
4
votes
2answers
297 views

How to change display/render order of several grease pencil objects in Blender 2.82?

I have 4 grease pencil objects. I am trying to get one to be displayed in front of the other ones but I can't find a way to do it. I could just pull it closer to the camera in the 3D space but then ...
4
votes
0answers
61 views

How to check if the collection is selected in outliner?

How to python check if the collection is selected or not in the outliner? Here collections "scene 1", "scene 2" and "scene 3" are selected.
4
votes
0answers
80 views

Shading according to velocity

I have a rigid body simulation of many objects and would like to change how they're shaded depending on velocity. It's easy to get location from object info node, but how about change in location ...
4
votes
0answers
761 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 ...
4
votes
0answers
153 views

Is there literally NO way to start a particle animation when the particle is emitted?

I've been battling the particle system for over a week now without any success. A little context to what my issue is: I'm using an instantiated collection(!) with 4 meshes in it as particles, each of ...
4
votes
0answers
113 views

radial texture on an acorn cap

I am trying to texture an acorn cap I modeled to mimic a real acorn cap texture. Any suggestions on where to start?
4
votes
1answer
126 views

Export UVs to .png - output with alpha is different when launched from command line

I need to programmatically export the UVs of a lot of .objs. I am using the bpy.ops.uv.export_layout() fn. Since this step is part of a more complex pipeline, I am launching Python from the command ...
4
votes
0answers
76 views

rotating the x and y axis of a normal

If I create a new object, and then go into edit mode and click on "normal transformation orientation", the z axis always runs along the face's normal, but the x and y are all over the place. ...
4
votes
0answers
410 views

Lighting/glare issues with Eevee

I have a lighting problem with Eevee, this is the rendering without baking indirect lights and reflections: nothing strange here. But if I bake lights it render like this: as you can see there is ...
4
votes
0answers
87 views

Hacks for improving performance on large scenes

Hi I’m using blender mostly doing exterior architecture visualisations. Through previous months I’ve found many problems that affects this software. But the main issue is lack of performance power ...
4
votes
0answers
314 views

Installing animation-nodes addon on blender 2.81

I've been trying to install and activate animation-nodes... to no avail. Thus far its the only addon I've run into so much trouble with. I've tried uninstalling blender 2.81, deleting any remnant ...
4
votes
0answers
638 views

Blender Can't Find GPU

I have 2 NVIDIA GTX 1080 Tis with updated drivers and CUDA installed. I’m currently trying to render my scene in Blender 2.81 (though this happens on other versions of Blender as well) on Ubuntu 18.04....
4
votes
0answers
108 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 ...
4
votes
0answers
431 views

Selecting Visible Objects Only in Blender 2.8

I can't seem to be able to select the visible objects (in object mode) only without selecting the ones hidden behind other objects, toggling X-Ray mode doesn't make any difference. Just create two ...
4
votes
0answers
63 views

Possible to give a shadow a different material?

Hello. Let say that in a this image, i'd like all shadows to be rendered as an red emissive material, is this possible in render ? procedurally, witouth any modifiers, just by the shader editor ?
4
votes
0answers
209 views

Plane-object displayed in background while beeing in front (Eevee Viewport)

Some plane-objects are being displayed in the background while being in front. Is this a bug or am i missing something Eevee-specific? All the plane objects were joined while uv-projecting from top-...
4
votes
2answers
155 views

Boolean Modifier Trouble - Yes… The Anvil

I am following a tutorial by the Blender Guru on how to make an anvil and everything was going well until I came to use the Boolean tool. When I use it - I do see a cut out in the mesh, however when I ...
4
votes
0answers
388 views

Eevee Linear / Cubic Texture Interpolation Complex Node Issue / Bug

A friend has been working on a project, and they have run into issues with using Linear Interpolation & Cubic Interpolation with their complex node tree. This node tree will be working with low ...
4
votes
0answers
91 views

Cloth simulation drive rig rendering issues

Goal: Create rig with springy bones for i.e. auto belly fat simulation. Issue: When rendering I'm unable to see spring effect on bones that are driven by objects with is driven by cloth simulation. ...
4
votes
0answers
165 views

sending Data or Values to linked Objects in Blender 2.80 / 2.81

I work a lot with linked data and library objects or linked collections. Is it possible to send values or variables between the different hierachical structures ? So for example: SCENEFILE (var = ...
4
votes
1answer
200 views

How do I shatter rigid bodies on edges

So, I'm creating a rigid body that I am going to throw and I was wondering, is there any way to make the rigid bodies break apart on impact (Similar to the cell frac add-on) except on the edges?
4
votes
0answers
157 views

Setting custom prop to Sequence

I need props in sequencer strips, to store data in each individual strip. One of the prop should link to other strips but: I can’t make PointerProperty(type=bpy.types.Sequence). I get this error: <...
4
votes
0answers
61 views

Blender Python: Output Paragraph of Text?

Is there any built-in support for automatic line breaks when writing text to the UI, such as through the layout.label() function? For example, if I set text that ...
4
votes
0answers
144 views

Is there a way to get a node's dimensions without displaying it in the Node Editor?

The aim of the question is to calculate a node tree layout for a generated node tree. Nodes have height, width and ...
4
votes
1answer
1k views

Separate alpha from color in Shader Editor

In the Shader Editor, I can create an RGB node and in there, I can set an alpha value as displayed in this screenshot: However, no color separation node in blender supports extracting that value and ...
4
votes
0answers
174 views

How To Model Ornamental Grass Procedurally

I am trying to model an ornamental grass procedurally (Miscanthus sinensis 'Gracillimus'). I want to be able to do this procedurally (not combing for example) because, unlike normal grass, it has a ...
4
votes
0answers
630 views

How can we setup hdri background image so that camera can move around an object which appear stable relatively to the hdri image?

What I want to do is to render an animation where the rendered objects are not moving, but the camera is moving around them. OK for it. But from that I want to use a hdri image in background which is ...
4
votes
0answers
758 views

Point cloud animation

I have around 5500 .ply files, which amount to about 7 GB of point cloud data; each file is one frame of animation. Is there any feasible way of importing this into blender for processing? I am ...
4
votes
1answer
479 views

Fluid simulation only shows the domain

I was making a fluid simulation, but when I try to bake it, it only bakes the domain. The fluid doesn't appear from the inflow. Do you know why? Thanks. This is what appears when i render
4
votes
0answers
1k views

How to turn on Anti-Aliasing in EEVEE?

It doesn't seem to be working when I click render viewport with EEVEE. It's okay in the viewport but after render it's bad.
4
votes
0answers
328 views

Irregular shapes texture

Below is the type of texture I wish to generate using Blender's node system. Thus far, I have tried using a mixture of Blender's base textures, noise, magic, voronoi etc. I have attempted to combine ...
4
votes
1answer
100 views

Mechanical roller animation

I am making animations with rollers that move cubes. Here is a video I already made. I animated the cubes by hand... link to youtube video I am wondering it is possible to use physics to automate ...
4
votes
0answers
178 views

Vertex colors with skin modifier

I have some curves that I want to render in Cycles; these are not blender curves, instead they are composed of a set of vertices, each having a color, and edges (but no faces). Using the skin ...
4
votes
0answers
89 views

Project Idea/ seed bead particle array

I am new here and have been working with Blender for a few months for a college course. We often find solutions to problems doing internet searches because the course could not possibly have a ...
4
votes
0answers
120 views

How to use surface snapping on a wireframe in 2.8?

In 2.7x we can snap to the surface of an object with max draw type set to wireframe: However, as of 81a7f6c848 this no longer works; the target object must have a ...
4
votes
2answers
1k views

Mark bevel edges after solidify

I have a profile that I want to solidify and then bevel. I'd like to mark which edges to bevel after the solidify without collapsing the stack. Is that possible in Blender? Best, JD
4
votes
0answers
119 views

Call pie menu in holding state

so here is what i want to do: holding state = when you hold the key when calling vie keymap tapping state = when you tap the key when calling vie keymap call a pie menu from another pie menu set the ...
4
votes
0answers
74 views

What exactly happens when Blender 'Synchronizes objects' at render time?

In effort to reduce render times between each frame (Eevee renderer), I've retopo-ed and made sure there are least amount of polygons possible, but I've reached the point where I can't sacrifice any ...
4
votes
0answers
280 views

How can I import a pointcloud with vertex normals from .ply?

I am attempting to render a series of around 1 million cubes by using dupliverts with a point cloud and a 'base' cube. I am able to import the points using .ply format, but when I inspect the vertex ...
4
votes
0answers
35 views

Gradient texture loses effects in linked smoke simulation group

I have created a smoke simulation with the following node-setup as the material. The three nodes on the far left allow the lump in the center of the smoke simulation to lose their density. The ...
4
votes
0answers
80 views

Hook and curve transformation

I do not know English very well and write via Google translator, but I need your help. I need that bezier would retain its shape of a semicircle when I bind the last and the first vertex to different ...
4
votes
0answers
110 views

Node Group separator for parameters

Is there any way to add separators to better organize node group parameters?
4
votes
0answers
77 views

Programmatically changing UV/Image Editor Image

For a school project, i am trying to combine openCV and Blender and for this very spesific reason, i would like to use Blender's internal Image Editor to show my frames instead of cv2.imshow() ...
4
votes
0answers
107 views

How do I curve procedurally generated textures (Clouds)?

I'm quite new to blender and am still getting the hang of things. Having followed BlenderMaster's tutorial on creating clouds, I've managed to create something like this: I already know how to move ...
4
votes
0answers
38 views

Move along track in blender game engine

I have a problem with making a game like Sonic Rivals. As you see in the game Sonic tracking his way from down to up and from right to left. In the game, I'm just pressing right and left and Sonic ...
4
votes
0answers
1k views

Why does bpy.ops.object.mode_set(mode='EDIT') switch to the Object Mode when executed?

I wrote a python script that modifies an existing blender armature that I have and some of these modifications include some commands that are only possible in Edit Mode. I know that depending on what ...

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