Radius range

By default, the range of the radial coordinate are determined by values of the second argument. If all the values are nonnegative, the range is from zero to the maximum of the values.

import plotly
import ptvis


elements = list(ptvis.Element) * 4
radii = (
    [1.]*len(ptvis.Element)
    + [2.]*len(ptvis.Element)
    + [3.]*len(ptvis.Element)
    + [4.]*len(ptvis.Element)
)

fig = plotly.graph_objects.Figure()
ptvis.attach_polar_bar_cells(fig, elements, radii)

plotly.io.show(fig)

If all the values are nonpositive, the range is from the minimum of the values to zero.

import plotly
import ptvis


elements = list(ptvis.Element) * 4
radii = (
    [-4.]*len(ptvis.Element)
    + [-3.]*len(ptvis.Element)
    + [-2.]*len(ptvis.Element)
    + [-1.]*len(ptvis.Element)
)

fig = plotly.graph_objects.Figure()
ptvis.attach_polar_bar_cells(fig, elements, radii)

plotly.io.show(fig)

Otherwise, the range is from the minimum to maximum of the values.

import plotly
import ptvis


elements = list(ptvis.Element) * 4
radii = (
    [-1.5]*len(ptvis.Element)
    + [-0.5]*len(ptvis.Element)
    + [0.5]*len(ptvis.Element)
    + [1.5]*len(ptvis.Element)
)

fig = plotly.graph_objects.Figure()
ptvis.attach_polar_bar_cells(fig, elements, radii)

plotly.io.show(fig)

The range can be changed by the radius_min and radius_max arguments.

import plotly
import ptvis


elements = list(ptvis.Element) * 4
radii = (
    [-1.5]*len(ptvis.Element)
    + [-0.5]*len(ptvis.Element)
    + [0.5]*len(ptvis.Element)
    + [1.5]*len(ptvis.Element)
)

fig = plotly.graph_objects.Figure()
ptvis.attach_polar_bar_cells(
    fig,
    elements,
    radii,
    radius_min=-2.5,
    radius_max=2.5,
)

plotly.io.show(fig)