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- """Metrics of quality for
- the cells of a triangular mesh
- (zoom to see cell label values)"""
- from vedo import dataurl, Mesh, show
- from vedo.pyplot import histogram
- mesh = Mesh(dataurl + "panther.stl").compute_normals().linewidth(0.1).flat()
- # generate a numpy array for mesh quality
- mesh.compute_quality(metric=6)
- mesh.cmap("RdYlBu")
- hist = histogram(mesh.celldata["Quality"], xtitle="mesh quality", ac="w")
- # make it smaller and position it, use_bounds makes the cam
- # ignore the object when resetting the 3d qscene
- hist.scale(0.6).pos(40, -53, 0).use_bounds(False)
- # add a scalar bar for the active scalars
- mesh.add_scalarbar3d(c="w", title="triangle quality by min(:alpha_i )")
- # create numeric labels of active scalar on top of cells
- labs = mesh.labels(on="cells", precision=3, scale=0.4, font="Quikhand", c="black")
- cam = dict(
- pos=(59.8, -191, 78.9),
- focal_point=(27.9, -2.94, 3.33),
- viewup=(-0.0170, 0.370, 0.929),
- distance=205,
- clipping_range=(87.8, 355),
- )
- show(mesh, labs, hist, __doc__, bg="bb", camera=cam, axes=11).close()
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