Timeline for Draw a triangulated sphere
Current License: CC BY-SA 3.0
21 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 16, 2020 at 9:23 | history | edited | CommunityBot | Commonmark migration | |
| Mar 31, 2017 at 19:21 | vote | accept | wonderich | ||
| Mar 31, 2017 at 16:14 | comment | added | b3m2a1 | @wonderich It's actually in the the call to DiscretizeRegion that you'll want to change things. Try mesh = DiscretizeRegion[Sphere[], MaxCellMeasure->{"Length" -> .35}, PrecisionGoal -> .01]. That's what I used here | |
| Mar 31, 2017 at 16:11 | comment | added | wonderich | In your first part answer, using "MeshRegion" -- what values should I adjust to change the number of triangulations? Thanks! | |
| Mar 31, 2017 at 16:03 | comment | added | b3m2a1 | @wonderich Sure there is. You'd change it in the discretize call. See the various other answers for an example. In part two of yode's answer I tweaked things to basically exactly reproduce your picture. Did that by reducing how fine a mesh it triangulated. | |
| Mar 31, 2017 at 16:01 | comment | added | wonderich | Thanks again, I wonder whether there is a way to change the number of triangulation (to fewer triangles)? | |
| Mar 31, 2017 at 5:38 | comment | added | yode | I post it as a answer here.And I have specified that is your work. :) | |
| Mar 31, 2017 at 5:33 | comment | added | b3m2a1 | @yode use /._EdgeForm->EdgeForm[Black] | |
| Mar 31, 2017 at 5:32 | comment | added | yode | Your SliceDensityPlot3D work well,just we cannot set the edge be Black. | |
| Mar 31, 2017 at 5:26 | comment | added | b3m2a1 | @yode you can probably increase the mesh size in the discretize call. I just remembered about SliceDensityPlot3D which solves the OPs problem better. Unable to post it right now, though, so feel free to put it out there SliceDensityPlot3D[z, mesh, {x,-1,1}, {y,-1,1},{z,-1,1},ColorFunction->"Rainbow"] should do it. | |
| Mar 31, 2017 at 5:15 | comment | added | yode | And we can use MeshPrimitives[mesh, 2] | |
| Mar 31, 2017 at 5:11 | comment | added | yode | Have you noted we cannot make that triangle be more lager when we discretize a sphere? | |
| Mar 31, 2017 at 4:53 | comment | added | b3m2a1 | @yode Nice point. I included it. | |
| Mar 31, 2017 at 4:53 | history | edited | b3m2a1 | CC BY-SA 3.0 | added 42 characters in body |
| Mar 31, 2017 at 4:50 | comment | added | ubpdqn | @MB1965 thanks for lesson on Lighting +1 :) | |
| Mar 31, 2017 at 4:49 | comment | added | yode | +1 for Lighting.BTY,MeshCellHighlight -> {{1, All} -> Black} is more similar with OP | |
| Mar 31, 2017 at 4:49 | comment | added | b3m2a1 | @wonderich Added. | |
| Mar 31, 2017 at 4:49 | history | edited | b3m2a1 | CC BY-SA 3.0 | added 412 characters in body |
| Mar 31, 2017 at 4:45 | comment | added | b3m2a1 | @wonderich Then your life is much easier. Use MeshCoordinates. I'll post an addendum. | |
| Mar 31, 2017 at 4:44 | comment | added | wonderich | Thanks, but I hope to have the "triangulated" grid for the math purpose. (Not for the art purpose.) | |
| Mar 31, 2017 at 4:41 | history | answered | b3m2a1 | CC BY-SA 3.0 |