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# Tag Info

## Hot answers tagged computational-geometry

11 votes
Accepted

• 8,447
3 votes

### Vertices of a regular polygon given the incircle radius

what is the relation between radius of the in-circle and circum-circle of a polygon? That is $cos ( \frac{2\pi}{n}*\frac{1}{2} ) = cos ( \frac{\pi}{n})$ The triangle with edges from the center to ...
• 5,960
3 votes
Accepted

### Radiative Transfer Equation for Photorealistic Rendering

I suspect the answer to (a) is simply performance. Full volumetric path tracing / photon mapping based on the RTE can certainly be done (and I'm sure it sometimes is), but it's very expensive and ...
• 25.1k
3 votes
Accepted

### Calculating the gradient of a triangular mesh

A function $f$ on your triangulated surface is an assignment of real numbers on the vertices of the triangulation and therefore $f \in \mathbb{R}^{|\mathcal{V}|}$. According to the continuous theory, ...
• 221

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