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factory.points.rst

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points

.. autofunction:: k3d.factory.points

Examples

Basic

import k3d
import numpy as np

x = np.random.randn(1000,3).astype(np.float32)

plt_points = k3d.points(positions=x,
                        point_size=0.2,
                        shader='3d',
                        color=0x3f6bc5)

plot = k3d.plot()
plot += plt_points
plot.display()
.. k3d_plot ::
  :filename: plots/factory/points_basic_plot.py

Colormap

Attention!

color_map must be used along with attribute and color_range in order to work correctly.

import k3d
import numpy as np
from k3d.colormaps import matplotlib_color_maps

x = np.random.randn(10000, 3).astype(np.float32)
f = (np.sum(x ** 3 - .1 * x ** 2, axis=1))

plt_points = k3d.points(positions=x,
                        point_size=0.1,
                        shader='flat',
                        opacity=0.7,
                        color_map=matplotlib_color_maps.Coolwarm,
                        attribute=f,
                        color_range=[-2, 1])

plot = k3d.plot()
plot += plt_points
plot.display()
.. k3d_plot ::
  :filename: plots/factory/points_colormap_plot.py