11
votes
Accepted
7
votes
6
votes
Tomographic Reconstruction of a Convex Polyhedron from its Orthographic Projections
We only need the data of the boundary points of the projections.
...
- 61.4k
5
votes
Accepted
Graphing the locus of points a unit distance from a rectangular prism
One way is RegionDilation according to a unit ball Ball[{0, 0, 0}, 1].
...
- 61.4k
5
votes
Visibility Polygon
I am using v12.2.0 on Win7-x64. This is too slow for dynamic work but hopefully will be useful in more static cases, or at least as a verification aid while developing your own algorithms.
...
- 38.1k
4
votes
Accepted
Computation time unexpectedly long for a Volume
If I replace 0 by 0. in your inequality for z, it completes fairly quickly.
...
- 656
3
votes
3
votes
3
votes
Volume of Region Contained by 3D Data Points
Just to illustrate closeness of other answers to analytic answer for this volume of revolution:
...
- 58.3k
2
votes
Volume of Region Contained by 3D Data Points
Use the xyzdata and int in the question. We define a ImplicitRegion bounded by that surface....
- 61.4k
2
votes
2
votes
2
votes
Assign BoundaryStyle to more than one region in Region Plot using a theme
System`PlotThemeDump`resolvePlotTheme["Default", "RegionPlot"]
You can customize the default theme of ...
- 7,094
2
votes
Computation time unexpectedly long for a Volume
For revolution 3D, it is recommend to help Mathematica to calculate its volume by the formula, that is, for every 2D region reg, we rotate it around the ...
- 61.4k
2
votes
Restrict the background colour in a ParametricPlot region
You can (1) replace Red with Blue in definition of bg and (2) post-process ...
- 378k
1
vote
Restrict the background colour in a ParametricPlot region
The given functions are
r[x_] = (-1 + 5 x^4)/(4 x^5); s[x_] = (-1 + 3 x^4)/(2 x^6);
Backgrounds
...
- 1,502
1
vote
Intersection of region with triangular lattice in 2D
The Solve had probably problems with {Sqrt[3] i, 3 (2 j + Mod[i, 2])} but if I use ...
- 7,094
1
vote
Accepted
Volume of Region Contained by 3D Data Points
The Mathematica documentation actually has a relevant example that works very well and is similar to what others have been saying. This is the full code for my solution using the example data above:
<...
- 85
1
vote
Only top scored, non community-wiki answers of a minimum length are eligible