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Computer Graphics : Recent Questions and Answers

Find answers to your questions about Computer Graphics or help others by answering their Computer Graphics questions.

glutSolid* source code

I am trying to build a dedocohedron in OpenGL, and I know that there is a built-in function in GLUT for the purpose. I was wondering if there is a...

Asked on 11/22/2021 by tado-mi

1 answer

How to retrieve data from Compute Shader to CPU?

I want to retrieve data that has created by the compute shader but have no clue how it works. After researching a few forums and articles on how it should...

Asked on 11/15/2021 by Ethan Ma

0 answer

unwanted patterns in simplex noise

I want to create a "river biome" where there are rivers cutting to a flat land mass, to start I wrote a little js to generate a random height map...

Asked on 11/13/2021 by Sam Apostel

1 answer

Procedural generation of biological models

I was wondering if anyone can point me in the direction of some research papers, or articles that describe a method for generating biological 3D models. I am drafting a...

Asked on 11/13/2021 by Daniel Cooke

1 answer

What method is used for baking grayscale curvature maps

I'm looking for a way to generate curvature maps like this: The map stores the Convexity and Concavity of each pixel as...

Asked on 11/10/2021 by Jummit

1 answer

Why are texture coordinates often called UVs?

Is there some historical reason texture coordinates are often called UVs? I get that vertex positions are x, y, z but even OpenGL has TEXTURE_WRAP_S and TEXTURE_WRAP_T and GLSL has...

Asked on 08/27/2021 by samanthaj

2 answer

Dynamic Ray-Triangle Intersection

I am working on a small simulation software which has a 3D Renderer that is using OpenGL. I render objects to the screen as triangle meshes. To be able to...

Asked on 08/27/2021 by cemklkn

1 answer

Reducing artificial rings in mean curvature of mesh

I have an isosurface/mesh (generated via marching cubes) of a micro-CT scan. Originally the surface looks very noisy, which becomes prevalent when the mean curvature is visualized: ...

Asked on 08/27/2021

1 answer

Fast and exact Geodesics on meshes, Backtracking confusion

The following is an excerpt from a 2005 paper on geodesics on triangular meshes, taken from section 3.5 ...

Asked on 08/27/2021

1 answer

How to scale signed distance field fonts properly?

I have a setup where I'm rendering a bunch of characters on a canvas with an SDF font. The users can zoom in to see the details of the smaller...

Asked on 08/27/2021 by Endanke

1 answer

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