Bases: _Scale, ScaleBase
Axis scale that is linear in the Mercator projection latitude. Adapted from this example. The scale function is as follows:
\[y = \ln(\tan(\pi x \,/\, 180) + \sec(\pi x \,/\, 180))\]
The inverse scale function is as follows:
\[x = 180\,\arctan(\sinh(y)) \,/\, \pi\]
thresh (float, optional) – Threshold between 0 and 90, used to constrain axis limits between -thresh and +thresh.
Attributes Summary
The registered scale name
Methods Summary
limit_range_for_scale(vmin, vmax, minpos)
Return the range vmin and vmax limited to within +/-90 degrees (exclusive).
Attributes Documentation
The registered scale name
Methods Documentation
Return the range vmin and vmax limited to within +/-90 degrees (exclusive).
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