graph_customize.py — Anaconda Enterprise 4.4 documentation

Anaconda Enterprise: Documentation

# graph_customize.py

    import math

    from bokeh.io import show, output_file
    from bokeh.plotting import figure
    from bokeh.models import GraphRenderer, StaticLayoutProvider, Oval
    from bokeh.palettes import Spectral8

    N = 8
    node_indices = list(range(N))

    plot = figure(title="Graph Layout Demonstration", x_range=(-1.1,1.1), y_range=(-1.1,1.1),
                  tools="", toolbar_location=None)

    graph = GraphRenderer()

    graph.node_renderer.glyph = Oval(height=0.1, width=0.2, fill_color="fill_color")
    graph.node_renderer.data_source.data = dict(
        index=node_indices,
        fill_color=Spectral8)

    graph.edge_renderer.data_source.data = dict(
        start=[0]*N,
        end=node_indices)

    ### start of layout code
    circ = [i*2*math.pi/8 for i in node_indices]
    x = [math.cos(i) for i in circ]
    y = [math.sin(i) for i in circ]

    graph_layout = dict(zip(node_indices, zip(x, y)))
    graph.layout_provider = StaticLayoutProvider(graph_layout=graph_layout)

    plot.renderers.append(graph)

    output_file("graph.html")
    show(plot)