pyvista.DataSetFilters.extract_cells

DataSetFilters.extract_cells(ind, invert=False, progress_bar=False)

Return a subset of the grid.

Parameters:

indsequence[int]

Numpy array of cell indices to be extracted.

invertbool, default: False

Invert the selection.

progress_barbool, default: False

Display a progress bar to indicate progress.

Returns:

pyvista.UnstructuredGrid

Subselected grid.

Examples

>>> import pyvista as pv
>>> from pyvista import examples
>>> grid = pv.read(examples.hexbeamfile)
>>> subset = grid.extract_cells(range(20))
>>> subset.n_cells
20
>>> pl = pv.Plotter()
>>> actor = pl.add_mesh(
...     grid, style='wireframe', line_width=5, color='black'
... )
>>> actor = pl.add_mesh(subset, color='grey')
>>> pl.show()

Static Scene

Interactive Scene