Point Draw Triangulate

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import holoviews as hv
from holoviews import opts
from holoviews.streams import PointDraw
hv.extension('bokeh')

Declaring data

points = hv.Points([(0, 0), (0.5, 0.5), (1, 0)])
point_stream = PointDraw(data=points.columns(), source=points)
trimesh = hv.DynamicMap(hv.TriMesh.from_vertices, streams=[point_stream])

Plot

(trimesh * points).opts(
    opts.Points(width=500, height=500, size=10, line_color='black', nonselection_alpha=0.3))

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Download this notebook from GitHub (right-click to download).