add_arrows¶

Plotter.add_arrows(cent, direction, mag=1, **kwargs)¶

Add arrows to the plotter.

Parameters

centnp.ndarray: Array of centers.
directionnp.ndarray: Array of direction vectors.
magfloat, optional: Amount to scale the direction vectors.
**kwargsdict, optional: See pyvista.BasePlotter.add_mesh() for optional keyword arguments.

Returns

vtk.vtkActor: VTK actor of the arrows.

Examples

Plot a random field of vectors and save a screenshot of it.

>>> import numpy as np
>>> import pyvista
>>> cent = np.random.random((10, 3))
>>> direction = np.random.random((10, 3))
>>> plotter = pyvista.Plotter()
>>> _ = plotter.add_arrows(cent, direction, mag=2)
>>> plotter.show()