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# Computer Graphics : Recent Questions and Answers (Page 2)

## 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: ...

## 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 ...

## 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...

## The ploygon width parallel to the x axis as a function of the y ordonate?

Considering a polygon with n vertices as input. I need to calculate the integral of the form[int_A p(y) dA...

Asked on 08/27/2021 by Hafid Boukhoulda

## Find the formulas of the middle point algorithm for drawing the parabola?

Find the formulas of the middle point algorithm for drawing the parabola ? x^2 = 4*(a+b)*y , a,b > 0. Solve it according to E(East) and NorthEast(NE) ?...

## Crystal ball rotation - I don't get why the code works

For context: I'm absolutely new to graphics programming and I've always had trouble getting the math. I had the task to write code for a crystal ball interface using OpenGL....

## Draw Line on Arbitrary Surface

I'm working on a 3D modeling tool and we use data from OpenLayers to construct a 3D mesh of some land. I want this behavior: you click on the mesh...

Asked on 08/27/2021 by Valentin Molina

## How to raytrace Bezier surfaces?

I tried this question on math.SE and surprisingly, the answer was "the equations are too nasty, just feed the function it to a numerical root-finder". But if you consider...

Asked on 08/27/2021 by luser droog

Currently I have basic shadow mapping setup in my engine. I am currently trying to implement something more realistic like PCSS (percentage closer soft shadows), to get a more physically...

Asked on 08/27/2021 by Arjan Singh

## What does GPU assembly look like?

I have played around with CPU assembly programming like Nasm, Tasm or Masm, but I'm really curious to know how GPU works now.However, i'm quite confused when I look...

Asked on 08/27/2021 by sebastien finor