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1500 questions
13
votes
2 answers

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 vertices along their normal vector with equal…
YPOC
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13
votes
1 answer

Transforms moving around the 3D cursor?

I think I accidentally pressed something to make it like this: See how the XYZ arrows are at the 3D cursor instead of those vertexes I've selected? How do I fix that? Whenever I select on a vertex or something, those blue, red, green arrows would…
mo choi
13
votes
3 answers

Is it possible to download the manual from the Wiki and integrate it into the help menu?

Is it possible to download a PDF/HTML snapshot of the Blender Manual from the Wiki and integrate into Blender's help menu?
13
votes
2 answers

Extracting parallax data from only two photos to help reconstruct a 3D scene

In terms of integrating Blender renders with existing photographs, is there a way to create a set of Blender mesh points using the parallax info between just a pair of stereo photographs? I've gotten good at regular camera tracking with video, and…
Gnaural
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13
votes
2 answers

How To use Visual Studio Code to write blender python script integrated with blender?

There are different options out there of Ides to write integrated python blender scripts. I'm a visual studio person and, even though there is no way to use it for that purpose, I was hoping with Visual Studio Code would be different. I researched…
RollRoll
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13
votes
1 answer

Is it possible to change the IOR inside a volume?

For instance, is it possible to simulate effects such as heat haze or other kinds of mirages which are caused by air with differing/changing refractive indexes? Plugging a procedural texture into the IOR input gets pretty close, but the IOR is only…
gandalf3
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13
votes
2 answers

Multiply and Add functions in Node editor

How do I bring up the Multiply and Add functions in the Node Editor? Can't find them when I do Shift+A or click Add at bottom menu.
mrfrisky
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13
votes
2 answers

How do I get particles to change color over time?

I saw a conversation on BlenderArtist.org where someone posted a node setup that supposedly would change the color of particles over time based on the Particle Info node's Index value. This is the graphic they posted: However, when I tried to…
Thom Blair III
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13
votes
3 answers

How do I create metal materials in Cycles?

I'm trying to make a gun for an alien space ship and I need to know how to create a dark gray metal look. I have tried mixing a Diffuse and Glossy BSDF, but it isn't quite what I am looking for. I need some light falloff to help get that "extra…
Owen Patterson
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13
votes
3 answers

Black patches in glass when using cycles render engine

for some reason i am getting these black patches all around my image. it seems to be most obvious where certain sections overlap slightly, but i have no idea how to fix them (very new to blender o.o) im not sure why this is happening. heres a…
user2620255
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13
votes
1 answer

What are the benefits of Quaternion rotation over Eulerian rotation?

What are some practical uses for the Quaternion? Why not just use the Euler X, Y, and Z axis rotation values? It's not intuitive how one should manipulate Quaternions. Can someone explain this?
Thom Blair III
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13
votes
5 answers

How to get random color variation on a single mesh?

I am trying to get color variation and to bake it in a single mesh but the Object Info Random only works if i separate the meshes. Is there an alternative way to get the same result with the meshes combined, they aren't attached between them.
Danyl Bekhoucha
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13
votes
2 answers

Controlling BGE properties with python script

I would like to know how to change the values of properties added using the "AddGameProperty" option in the game logic UI using python code? I want to write code that changes the 'Property' value in an Action Actuator logic block. I attached a…
CubeBot88
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13
votes
3 answers

Why is rendered viewport faster than rendering individual frames?

When I'm using rendered viewport it initially takes a while before rendering starts, but once it does, I can freely move around and rendering a new view happens almost instantaneously. When on the other hand I'm rendering a movie, for each frame…
cybrbeast
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13
votes
3 answers

Atmosphere (Rayleigh/Mie) Scattering in Cycles

I'm currently trying to create a photorealistic model of planet earth. Texturing and "modeling" is of course no problem. More interesting is the question how to obtain a realistic looking atmosphere. In most tutorials it is done in the compositor by…
crazyphysicist
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