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Commit3eeb45e

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DOC: Add 3D plots to plot_types gallery
1 parent4965500 commit3eeb45e

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‎doc/sphinxext/gallery_order.py

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'../plot_types/arrays',
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'../plot_types/stats',
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'../plot_types/unstructured',
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'../plot_types/3D',
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]
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‎plot_types/3D/README.rst

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.. _3D_plots:
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3D
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--
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3D plot types.

‎plot_types/3D/scatter3d_simple.py

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"""
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==============
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3D scatterplot
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==============
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See `~mpl_toolkits.mplot3d.axes3d.scatter`.
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"""
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importmatplotlib.pyplotasplt
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importnumpyasnp
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plt.style.use('_mpl-gallery')
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# Make data
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np.random.seed(19680801)
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n=100
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rng=np.random.default_rng()
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xs=rng.uniform(23,32,n)
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ys=rng.uniform(0,100,n)
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zs=rng.uniform(-50,-25,n)
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# Plot
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fig,ax=plt.subplots(subplot_kw={"projection":"3d"})
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ax.scatter(xs,ys,zs)
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plt.show()

‎plot_types/3D/surface3d_simple.py

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"""
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=====================
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3D surface
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=====================
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See `~mpl_toolkits.mplot3d.axes3d.plot_surface`.
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"""
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importmatplotlib.pyplotasplt
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importnumpyasnp
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plt.style.use('_mpl-gallery')
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# Make data
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X=np.arange(-5,5,0.25)
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Y=np.arange(-5,5,0.25)
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X,Y=np.meshgrid(X,Y)
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R=np.sqrt(X**2+Y**2)
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Z=np.sin(R)
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# Plot the surface
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fig,ax=plt.subplots(subplot_kw={"projection":"3d"})
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ax.plot_surface(X,Y,Z)
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plt.show()

‎plot_types/3D/trisurf3d_simple.py

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"""
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======================
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Triangular 3D surfaces
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======================
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See `~mpl_toolkits.mplot3d.axes3d.plot_trisurf`.
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"""
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importmatplotlib.pyplotasplt
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importnumpyasnp
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plt.style.use('_mpl-gallery')
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n_radii=8
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n_angles=36
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# Make radii and angles spaces
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radii=np.linspace(0.125,1.0,n_radii)
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angles=np.linspace(0,2*np.pi,n_angles,endpoint=False)[...,np.newaxis]
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# Convert polar (radii, angles) coords to cartesian (x, y) coords.
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x=np.append(0, (radii*np.cos(angles)).flatten())
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y=np.append(0, (radii*np.sin(angles)).flatten())
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z=np.sin(-x*y)
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# Plot
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fig,ax=plt.subplots(subplot_kw={'projection':'3d'})
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ax.plot_trisurf(x,y,z)
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plt.show()

‎plot_types/3D/voxels_simple.py

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"""
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==========================
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3D voxel / volumetric plot
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==========================
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See `~mpl_toolkits.mplot3d.axes3d.voxels`.
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"""
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importmatplotlib.pyplotasplt
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importnumpyasnp
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plt.style.use('_mpl-gallery')
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# Prepare some coordinates
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x,y,z=np.indices((8,8,8))
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# Draw cuboids in the top left and bottom right corners
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cube1= (x<3)& (y<3)& (z<3)
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cube2= (x>=5)& (y>=5)& (z>=5)
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# Combine the objects into a single boolean array
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voxelarray=cube1|cube2
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# Plot
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fig,ax=plt.subplots(subplot_kw={"projection":"3d"})
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ax.voxels(voxelarray,edgecolor='k')
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plt.show()

‎plot_types/3D/wire3d_simple.py

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"""
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=================
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3D wireframe plot
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=================
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See `~mpl_toolkits.mplot3d.axes3d.plot_wireframe`.
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"""
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frommpl_toolkits.mplot3dimportaxes3d
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importmatplotlib.pyplotasplt
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plt.style.use('_mpl-gallery')
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# Make data
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X,Y,Z=axes3d.get_test_data(0.05)
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# Plot
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fig,ax=plt.subplots(subplot_kw={"projection":"3d"})
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ax.plot_wireframe(X,Y,Z,rstride=10,cstride=10)
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plt.show()

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