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28,178 questions with no upvoted or accepted answers
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149 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
244 views

Optical flow generated from cycles render is not proper

Scene generated from Blender, and flow is given. As it can be seen the flow generated is not proper, it is in a zig-zag format. I see the scene at and above horizon have more zig-zag. Can someone ...
4
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0answers
475 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
51 views

Determining if Cycles light rays provide direct illumination or self-shadow

I am looking to render Saturn and its rings. The sun illuminates the diffuse material of the rings on their sunlit side but their backlit side needs to have an emissive shader. However the rings must ...
4
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0answers
608 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
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0answers
66 views

is there any way to get to velocity of a fluid and use it in the cycle material editor

I'm trying to use flip fluids to make lava is there any way to use the motion blur vectors, or get the velocity to mix a material. or in the script editor is there anyway to drive that.
4
votes
1answer
350 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
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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
285 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
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0answers
650 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 ...
4
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0answers
140 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
80 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
1answer
167 views

Short animated film in Blender in single room environment with several acts - single scene or multiple scene setup?

I'm animating a short animated film that takes place in a single room. There are 3 acts, with multiple characters, with the room in different states between each act (objects moved/added/removed, ...
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
113 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
66 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
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0answers
229 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
33 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
76 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
88 views

Node Group separator for parameters

Is there any way to add separators to better organize node group parameters?
4
votes
0answers
73 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
98 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
35 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 ...
4
votes
0answers
975 views

Retrieve vertex colors in 2.8

2.79 allowed you to set shading to flat, which would render the vertex color 1:1 on screen (assuming the entire normal had been solidly colored and noting else is being set to diffuse, of course ...
4
votes
0answers
536 views

How do you render lines in EEVEE/Cycles

I am trying to convert my workflow over to Cycles/EEVEE since the Blender Renderer will no longer be available. A fair bit of my product is drawing lines or paths in the scene (such as below which ...
4
votes
0answers
114 views

What is the appropriate way to write and distribute an addon that works with both blender 2.80 and 2.79?

I have written a python addon which is compatible with both 2.79 and 2.80. When setting the "blender" key in bl_info to the appropriate version, the code works otherwise unmodified in both versions, ...
4
votes
0answers
55 views

Is there ever a reason to set the scene camera to a non-camera object?

Set Active Object as Camera a simple function, CtrlNumPad 0, used to change the active camera yet such a problem for so many. I know the use of it for cameras (quickly switch between multiple cameras)...
4
votes
0answers
77 views

Getting Color Values Produced by Dynamic Paint

I am having trouble with the python code to get the colors of vertices when using Dynamic Paint. If I try painting a cube using the Vertex Paint mode I can get the rgb values of the vertices using the ...
4
votes
0answers
243 views

Any ideas for “slow parent” alternative in new depsgraph?

Alright, so I noticed that slow parenting doesn't work in new depsgraph And I really need something like slow parenting to create a trailing/delay kind of motion for a bendy bone Do you guys know ...
4
votes
0answers
179 views

Is is possible to get boids data to animation nodes signalling when they are 'attacking'?

I am creating a space dogfighting scene and I have been able to hook up the particle boids to animation node instances, including positions and even the rotations by normalizing the velocity and ...
4
votes
0answers
726 views

Does something like a Join Modifier exist?

Lately I've been experimenting with procedural shapes, based on a very limited mesh. I found myself looking for a way to join two meshes using a modifier. The Boolean modifier doesn't do the trick. It ...
4
votes
1answer
175 views

Blender Viewport Issues

I am new to 3D modelling so I know my hardware is not up to snuff, but I am running a 13 inch Macbook Air with a 1.6 GHz Intel Core i5, and an integrated graphics card with 121.12 GB of space and 8 GB ...
4
votes
0answers
466 views

How to use bgl?

I want to render simple lines on the 3D viewport through a modal operator but not using glBegin/End because those commands are deprecated in opengl 3.3 and will not be avaliable on 2.8 leaving me ...
4
votes
0answers
155 views

Compositor File Output Node overwrite?

In the Output tab of Render settings, you can set the output options for rendered animation. One of the options is to have new renders overwrite the previous ones or not. The File Output node in the ...
4
votes
0answers
357 views

How can I properly wrap complex objects?

I'm having problems with the Shrinkwrap modifier. I wanna wrap this dragon on the objects surface. But instead I get this :( I've tried with Curve too... Can anyone help me? Thanks... And sorry ...
4
votes
0answers
143 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 ...
4
votes
2answers
985 views

Blender unit conversion without scaling relative to the scene?

I'm a fairly new employee and Blender user (long-time Maya user). I may have gotten myself into a bind and hoping you all can help me out... As a new employee, one of the first things I asked was ...
4
votes
1answer
401 views

ATOM : setup blender python environment in my IDE

Anyone using atom here for developing blender addon etc ? How can i setup the blender environment (autocomplete, lib access etc) in Atom ? Tried to googling it but can't found any help. Some tutorial ...
4
votes
0answers
1k views

“Unsupported channel layout” Error, when trying to render with AAC-Audio

I try to render a Video with Blender's video editor. Under Output I set FFmpeg video as file format. Under Render I set Container...
4
votes
0answers
423 views

GPU Rendering Stopped Working

I was using GPU CUDA rendering with Cycles and it was working fine, but part way through the render it stopped working and I had to continue the render with the CPU. Now the "GPU Compute" option in ...
4
votes
0answers
429 views

Video editing multichannel audio

Is there a way to render a video with multiple audio tracks? I've found these two subjects related to the import of files with several audio channels: How do I load an mp4 video with multiple audio ...
4
votes
1answer
1k views

Hair partially disappearing in render after combing

I got a weird problem. Patches of hair on a rug for a bathroom scene are disappering in my render, but only if I entered particle edit Mode and combed the hair before. So, I start out setting up my ...
4
votes
0answers
79 views

split up and render depth slices (for extreme dof)

I'm doing a particle simulation of fire embers swirling around, to be matched up to a filmed plate. The plate has a very shallow depth of field, which creates a problem when comping it in. It takes ...
4
votes
0answers
561 views

Assign a custom orientation to each instance of a dupli-object

I would like to duplicate an object along a path, and also have the ability to manipulate the orientation of each instance individually. Expected result: Like in the picture above, where each object'...
4
votes
1answer
917 views

A working guidance for building blender as bpy python module?

There are informations on how to build a bpy python module from blender source but, it does not work (for me) using Ubuntu x64 16.04LTS. We need a working guidance !? Building it up with: https://...
4
votes
0answers
299 views

Long and thin connections between 3d metaballs

Is there a way to create the effect of these long and thin metaball connections in Blender? This image is a screen capture from http://paperjs.org/examples/meta-balls/ I Personally haven't had much ...
4
votes
0answers
553 views

Hide an object in a linked group

I have a character made of several objects that I am linking into a scene. The character's objects are part of a group, and I'm linking in the group. However, for certain scenes I want to hide some of ...
4
votes
0answers
230 views

Squish Controller that Can Move up and down a Limb

I have a rubber chicken character. Its neck is getting grabbed and stretched many times. What I would like to generate for this, is a Squish controller that allows me to set where Squishing on the ...
4
votes
0answers
324 views

Unable to export per vertex data to wavefront

I am trying to reconstruct a cube with normals that look like in the very first animation in the "Introducing normals" part of this article. If I start out with the default cube, smooth the faces and ...

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