# Examples from pyvista.plotting.mapper.PointGaussianMapper.scale_array
# =====================================================================

# Plot spheres using style='points_gaussian' style and scale them by
# radius.
import numpy as np
import pyvista as pv
n_spheres = 1_000
rng = np.random.default_rng(seed=0)
pos = rng.random((n_spheres, 3))
rad = rng.random(n_spheres) * 0.01
pdata = pv.PolyData(pos)
pdata['radius'] = rad
pl = pv.Plotter()
actor = pl.add_mesh(
    pdata,
    style='points_gaussian',
    emissive=False,
    render_points_as_spheres=True,
)
actor.mapper.scale_array = 'radius'
pl.show()

# ----------------------------------------------------------------------
# Generated by sphinx-examples-as-code https://github.com/pyvista/sphinx-examples-as-code