Linked Questions

17
votes
4answers
26k views

How to quickly do a clay render?

Sometimes, I find that it is useful to do a Clay Render for my model, where all of the materials render with a single common "clay"-like material (see example image below). In the past, I have done ...
13
votes
3answers
5k views

Debugging material math nodes in cycles

I've got a pretty complicated node tree which isn't behaving exactly as I'd like. I'm pretty sure I've made some mistakes in my math nodes.. I'm interested in the output values of the math nodes. The ...
2
votes
1answer
2k views

Cycles Nodes - get actual coordinates

I want to make a procedural planet shader in cycles, and I want to for example have some poles at the z+/z- direction and some deserts in the middle (equator). Is there any way I can get the actual ...
1
vote
1answer
2k views

Convert from Blender rotations to Right Handed Y-Up rotations (Maya, Houdini, …)

Question: My question is, how can I convert a Blender Z-Up RH rotation to Y-Up RH (Maya, Houdini, etc.) rotation? (I believe Blender uses a Right-Handed Z-Up orientation... correct me if wrong) ...
2
votes
1answer
824 views

How to get the worldspace location of a rendered pixel from Python

I need a way to find the underlying 3D coordinates for each pixel of the camera in Python. I to create a function like: GetCoordinatesForPixel(xPixel, yPixel) which returns a (X, Y, Z) vector. I ...
4
votes
1answer
197 views

Rendering World Position Pass

I need to render a world position pass in Blender to check if my idea is correct. I found solution that uses an emissive material and geometry node to render position as colors: How to render world ...
1
vote
0answers
360 views

Override all materials' color but not transparency

The situation is as follows: I would like to create an image where the pixel values (RGB) correspond to the position (XYZ) of the point in space (world coordinate). Create a new material, like in ...
1
vote
1answer
270 views

How to render a world position pass that includes volumetrics?

I've found the 'how to render a world position pass' Q&A on here, but I'm stuck at how to render one that includes volumetric objects (smoke in a domain object), it does not show in the render ...
3
votes
0answers
324 views

How to get world coordinates of pixels? [duplicate]

Using a Blender python script I want to get the world coordinate of a specific pixel (or all). Assume a camera has been defined (focal length, fov/angle, sensor size,etc.), and orientated/pointed as ...
1
vote
1answer
242 views

How to output deep data?

Is there a way to export world position pass, also object position pass (local), and deep pass ? I have searched in the output tab but haven't found anything. thanks a lot!