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- """Stream tubes originating from a probing grid of points.
- Data is from CFD analysis of airflow in an office with
- ventilation and a burning cigarette."""
- from vedo import dataurl, download, loadStructuredGrid, UnstructuredGrid, Grid, show
- from off_furniture import furniture
- fpath = download(dataurl + 'office.binary.vtk')
- sgrid = loadStructuredGrid(fpath)
- ugrid = UnstructuredGrid(sgrid) # convert to unstructured grid which vedo supports
- # Create a grid of points and use it as integration seeds
- seeds = Grid(res=[2,3], c="white").rotate_y(90).pos(2,2,1)
- streamlines = ugrid.compute_streamlines(seeds, initial_step_size=0.01, max_propagation=15)
- streamlines.cmap("Reds").add_scalarbar3d(c='white')
- streamlines.scalarbar = streamlines.scalarbar.clone2d("center-right", size=0.15)
- print(streamlines)
- show(streamlines, seeds, furniture(), __doc__, axes=1, bg='bb').close()
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