Questions tagged [mesh]
Questions on the use and creation of meshes including the use of MeshRegion, ElementMesh, and TetGenLink.
894 questions
6
votes
3
answers
327
views
How can I get the chamfer of the 3D font and make a BoundaryMeshRegion?
The desire font as in the document which could be found by FindShortestCurve -> Scope -> Mesh Region -> the last example
https://reference.wolfram.com/language/ref/FindShortestCurve.html#...
- 1,675
3
votes
1
answer
132
views
Problem with IncludePoints in ToElement Mesh
In a finite element code I whish to use "IncludePoints" in ToElementMesh and I get a failure. Here is a minimum ...
- 17.7k
3
votes
1
answer
97
views
Mesh style with Opacity[0] does not work correctly
Why these two codes produce the same style image although one has {2, All} -> Opacity[1] and another {2, All} -> Opacity[0]...
- 36.4k
4
votes
0
answers
155
views
Cover a 3D region with balls faster
Question
Suppose we have a 3D MeshRegion reg composed of 2D triangular faces. I want to find a (minimal-ish) list of balls, ...
- 4,515
5
votes
0
answers
180
views
Observation about concave mesh
When testing ConcaveHullMesh I made an interesting observation.
Apply it iteratively. Let’s start with a small number of randomly selected points and build their concave mesh.
Next we define centroids ...
- 2,690
0
votes
0
answers
62
views
How to get a uniform mesh on a close curve [duplicate]
I have a dense data1 of closed curve, I want to extract a set of points data2 on this curve that are equally distributed ...
- 5,752
1
vote
0
answers
131
views
Why Interpolation with InterpolationOrder -> 1 looks smooth in 2D case?
The following code
...
- 2,100
6
votes
2
answers
237
views
How to specify Showcase styling
I generated a mesh region and noticed in the notebook image pull-down menu the option for
"Showcase styling." How can I request this styling (gold sphere vertices, silver tube edges) for ...
- 4,865
1
vote
1
answer
101
views
“How to Fix Degenerate Polygons in BoundaryMeshRegion When Sweeping a 2D Rotor Profile in 3D”
I am generating a 3D rotor model by sweeping a 2D profile around the z-axis while applying a variable lead translation.
The goal is to create a smooth helical solid based on rotor geometry and a lead ...
- 317
1
vote
2
answers
191
views
Defining the Moran Set and listing the endpoint of the remaining intervals for each step $n$
Constructing The Original Cantor Set vs The Moran Set:
Suppose $\alpha=\ln(2)/\ln(3)$, which is the Hausdorff dimension of the Cantor Set.
Motivation:
I wish to test my "choice function" ...
- 1
4
votes
1
answer
169
views
Convert cube to its surface region
This is probably trivial but I can not find an answer how to convert Cube[] into its surface region and not into its volume region.
All the following converts it to ...
- 36.4k
3
votes
4
answers
305
views
RandomPoint on discretized surface not working
This used to work before but apparently not in version 14.3
...
- 916
3
votes
3
answers
696
views
Making a threaded pipe end
I am trying to make something that involves a threaded end to both pipes attached to a hollowed out ellipsoid. I am having problems with:
Making it smooth. I tried various things but it is likely due ...
- 647
10
votes
4
answers
840
views
How to draw isothermal (conformal) grids on Plot3D/ParametricPlot3D?
According to the isothermal coordinate theorem, there are isothermal coordinates on any two-dimensional manifold:
isothermal coordinates exist around any point on a two dimensional Riemannian ...
- 28k
6
votes
2
answers
476
views
Can we construct 3D meshes that respect internal boundaries?
In a recent answer to a question on constructing 2D meshes with internal boundaries @user21 provided an extremely useful answer which can be found here.
I have tried to extend this to 3D by ...
- 5,526