| 1234567891011121314151617181920212223242526272829 |
- """Remove points and cells from a mesh
- which are closest to a specified point."""
- from vedo import settings, Mesh, dataurl, printc, Point, Sphere, show
- # Enable depth peeling for the scene
- settings.use_depth_peeling = True
- # Load the apple mesh from a url, set the colors and line width
- msh = Mesh(dataurl+'apple.ply')
- msh.c('lightgreen').bc('tomato').lw(1)
- # Set a point and a radius to find the closest points in the mesh to it
- pt = [1, 0.5, 1]
- R = 1.2
- ids = msh.closest_point(pt, radius=R, return_point_id=True)
- # Remove the cells from the mesh by their ids
- # and clean the mesh by removing orphaned vertices not associated to any cell
- printc('#points before:', msh.npoints, c='g')
- msh.delete_cells_by_point_index(ids)
- msh.clean()
- printc('#points after :', msh.npoints, c='g')
- # Create a sphere object with the given point and radius, and set transparency
- sph = Sphere(pt, r=R, alpha=0.1)
- # Show the point, the sphere, the modified mesh, the script docstring and axes
- # then close the window
- show(Point(pt), sph, msh, __doc__, axes=1).close()
|
