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Update Meshing.jl examples for v0.7 #260

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Nov 21, 2024
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Update Meshing.jl examples for v0.7 #260

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77baf71
Update Meshing.jl examples for v0.7
nhz2 Nov 21, 2024
0a00fc8
Bump Julia version requirement from 1.6 to 1.9 because that is the mi…
ferrolho Nov 21, 2024
8656986
Update Readme.md
nhz2 Nov 21, 2024
c38c5ce
Update Readme.md
nhz2 Nov 21, 2024
94fd576
Update notebooks/demo.ipynb
nhz2 Nov 21, 2024
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4 changes: 2 additions & 2 deletions Project.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -29,10 +29,10 @@ Colors = "0.9, 0.10, 0.11, 0.12, 0.13"
CoordinateTransformations = "0.5, 0.6"
DocStringExtensions = "0.5, 0.6, 0.7, 0.8, 0.9"
FFMPEG = "0.2, 0.3, 0.4"
GeometryBasics = "0.3, 0.4, 0.5"
GeometryBasics = "0.3, 0.4"
HTTP = "1"
MeshIO = "0.4"
Meshing = "0.5, 0.6"
Meshing = "0.7"
MsgPack = "1"
Parameters = "0.10, 0.11, 0.12, 0.13"
PrecompileTools = "1"
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14 changes: 10 additions & 4 deletions Readme.md
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Expand Up @@ -82,11 +82,17 @@ setobject!(vis, PointCloud(verts, colors))

```julia
# Visualize a mesh from the level set of a function
using Meshing: MarchingTetrahedra
using GeometryBasics: Mesh, HyperRectangle
using Meshing: MarchingTetrahedra, isosurface
using GeometryBasics:
Mesh,
TriangleFace,
Vec,
Point
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xr,yr,zr = ntuple(_->LinRange(-1,1,50),3)
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f = x -> sum(sin, 5 * x)
mesh = Mesh(f, HyperRectangle(Vec(-1, -1, -1), Vec(2, 2, 2)),
MarchingTetrahedra())
sdf = [f(Vec(x,y,z)) for x in xr, y in yr, z in zr]
vts, fcs = isosurface(sdf, MarchingTetrahedra(), xr, yr, zr)
mesh = Mesh(Point.(vts), TriangleFace.(fcs))
setobject!(vis, mesh,
MeshPhongMaterial(color=RGBA{Float32}(1, 0, 0, 0.5)))
```
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4 changes: 2 additions & 2 deletions notebooks/Project.toml
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Expand Up @@ -9,8 +9,8 @@ MeshIO = "7269a6da-0436-5bbc-96c2-40638cbb6118"
Rotations = "6038ab10-8711-5258-84ad-4b1120ba62dc"

[compat]
Colors = "0.9, 0.10, 0.11, 0.12"
Colors = "0.9, 0.10, 0.11, 0.12, 0.13"
FileIO = "1"
GeometryBasics = "0.3, 0.4"
Meshing = "0.5, 0.6"
Meshing = "0.7"
MeshIO = "0.4"
10 changes: 6 additions & 4 deletions notebooks/demo.ipynb
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Expand Up @@ -36,7 +36,7 @@
"using MeshCat\n",
"using CoordinateTransformations\n",
"using Rotations\n",
"using GeometryBasics: HyperRectangle, Vec, Point, Mesh\n",
"using GeometryBasics: HyperRectangle, Vec, Point, Mesh, TriangleFace\n",
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"using Colors: RGBA, RGB"
]
},
Expand Down Expand Up @@ -384,10 +384,12 @@
"# Those two pieces of information are all we need to construct a mesh geometry.\n",
"\n",
"# Using `Meshing.jl`, we can construct a mesh directly from our function:\n",
"using Meshing: MarchingCubes\n",
"using Meshing: MarchingTetrahedra, isosurface\n",
"\n",
"bounds = HyperRectangle(lower_bound, upper_bound - lower_bound)\n",
"mesh = Mesh(f, bounds, MarchingCubes())\n",
"xr,yr,zr = ntuple(i->LinRange(lower_bound[i], upper_bound[i],50),3)\n",
"sdf = [f(Vec(x,y,z)) for x in xr, y in yr, z in zr]\n",
"vts, fcs = isosurface(sdf, MarchingTetrahedra(), xr, yr, zr)\n",
"mesh = Mesh(Point.(vts), TriangleFace.(fcs))\n",
"\n",
"# And now we can load that geometry into the visualizer\n",
"setobject!(vis, mesh)"
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