New answers tagged computational-geometry
0
votes
Gaussian curvature of a point cloud surface
The easiest curvature notion is perhaps the combinatorial curvature for an assumed 2d-surface embedded in euclidean 3d: for each vertex, map the edges to the nearest neighbours onto a flat polygon of ...
2
votes
Accepted
Finding Contours in Photo to Create a Topographical Map
For this you got only the data that image gives you. That's why you must have a good no-shadow no-tint defect-free lightning and surfaces. Then potentially you can do something like this. I will ...
2
votes
Minimal surface bounded between turns of helix
Not an answer, just too big for a comment.
I cannot reproduce OP's problems with the "overminimization". With my orignial code from here I get the following results:
...
7
votes
Accepted
Minimal surface bounded between turns of helix
Another approach is to modify areaGradientDescent, defined here, to fix user specified edges in space.
...
3
votes
Minimal surface bounded between turns of helix
We can use smoothMeshRegion from the 'Code Dump' section in this answer to make a region that resembles the desired object:
...
Top 50 recent answers are included
Related Tags
computational-geometry × 724regions × 146
mesh × 140
geometry × 111
plotting × 67
graphics × 63
graphics3d × 59
finite-element-method × 37
performance-tuning × 35
bugs × 34
graphs-and-networks × 30
intersection × 27
calculus-and-analysis × 24
polygons × 22
equation-solving × 21
mathematical-optimization × 20
image-processing × 19
list-manipulation × 18
geometric-transform × 15
differential-geometry × 15
polyhedra × 15
random × 13
differential-equations × 12
functions × 11
numerical-integration × 11