tcmarkers 0.0.3

Tropical Storm and Hurricane Markers for Matplotlib

TC Markers

This is a tiny repo that solely houses Matplotib paths for Tropical Storm and Hurricane symbols, neccesarily duplicated for NH and SH direction.

What do the markers look like:

Great question, that's the most important thing right. Here's the current view of them:

Usage:

Version 0.0.3 includes a TD and EX symbol which will be the correct size for TS and HU comparison.

import matplotlib.pyplot as plt
import tcmarkers


fig = plt.figure()
ax = fig.add_subplot(111)
marker_kwargs = {'markersize': 25, 'color':'r', 'markeredgecolor':'r'}
ax.plot(0.35, 0.25, marker=tcmarkers.EX, **marker_kwargs)
ax.plot(0.35, 0.20, marker=tcmarkers.SH_EX, **marker_kwargs)
ax.plot(0.3, 0.25, marker=tcmarkers.HU, **marker_kwargs)
ax.plot(0.3, 0.20, marker=tcmarkers.SH_HU, **marker_kwargs)
ax.plot(0.25, 0.25, marker=tcmarkers.TS,**marker_kwargs)
ax.plot(0.25, 0.20, marker=tcmarkers.SH_TS, **marker_kwargs)
ax.plot(0.20, 0.25, marker=tcmarkers.TD, **marker_kwargs)
ax.plot(0.20, 0.20, marker=tcmarkers.SH_TD, **marker_kwargs)
fig.show()

Dynamic selection of symbol based on vmax. Function based on string type coming next.

import matplotlib.pyplot as plt
import tcmarkers


fig = plt.figure()
ax = fig.add_subplot(111)

for i, vmax in enumerate([33, 34, 64,]):
    ax.plot(i, 2, marker=tcmarkers.tc_marker(vmax), color='r', markeredgecolor='r', markersize=10)
    # pass latitude and SH storms returned for lat < 0
    ax.plot(i, 1, marker=tcmarkers.tc_marker(vmax, -30), color='r', markeredgecolor='r', markersize=10)

fig.show()

4 markers are now available, TD, TS, HU and EX these are available rotated for SH or original NH as well with the NH_ or SH_ prefix. e.g. NH_TD, NH_TS, NH_HU,NH_EX, SH_TD, SH_TS, SH_HU, SH_EX.

Contributing:

Have a better TC Marker? Update the SVG using the 4 characters IDs above for each object. The current markers are not perfect but I don't know how to inkscape well. Run the backend script to regenerate the markers.py file and submit a PR.

Future:

Maybe creating a child class of the matplotlib.path.Path would be nice. This could include a nicer repr and a name attribute, allowing the user to check which marker came back from the selection function? BSD 3-Clause License

Copyright (c) 2021, Alan Brammer All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

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