extract_points

PolyDataFilters.extract_points(ind, adjacent_cells=True, include_cells=True, progress_bar=False)

Return a subset of the grid (with cells) that contains any of the given point indices.

Parameters

indnp.ndarray, list, or sequence

Numpy array of point indices to be extracted.

adjacent_cellsbool, optional

If True, extract the cells that contain at least one of the extracted points. If False, extract the cells that contain exclusively points from the extracted points list. The default is True.

include_cellsbool, optional

Specifies if the cells shall be returned or not. The default is True.

progress_barbool, optional

Display a progress bar to indicate progress.

Returns

pyvista.UnstructuredGrid

Subselected grid.

Examples

Extract all the points of a sphere with a Z coordinate greater than 0

>>> import pyvista
>>> sphere = pyvista.Sphere()
>>> extracted = sphere.extract_points(sphere.points[:, 2] > 0)
>>> extracted.clear_data()  # clear for plotting
>>> extracted.plot()