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"""
Cartopy Logo
------------
The actual code to produce cartopy's logo.
"""
import cartopy.crs as ccrs
import matplotlib.pyplot as plt
import matplotlib.textpath
import matplotlib.patches
import matplotlib.transforms
from matplotlib.font_manager import FontProperties
def main():
fig = plt.figure(figsize=[12, 6])
ax = fig.add_subplot(1, 1, 1, projection=ccrs.Robinson())
ax.coastlines()
ax.gridlines()
# generate a matplotlib path representing the word "cartopy"
fp = FontProperties(family='DejaVu Sans', weight='bold')
logo_path = matplotlib.textpath.TextPath((-175, -35), 'cartopy',
size=80, prop=fp)
# scale the letters up to sensible longitude and latitude sizes
transform = matplotlib.transforms.Affine2D().scale(1, 2).translate(0, 35)
# add a background image
im = ax.stock_img()
# Apply the scale transform and then the map coordinate transform
plate_carree_transform = (transform +
ccrs.PlateCarree()._as_mpl_transform(ax))
# add the path as a patch, drawing black outlines around the text
patch = matplotlib.patches.PathPatch(logo_path,
facecolor='none', edgecolor='black',
transform=plate_carree_transform)
im.set_clip_path(patch)
ax.add_patch(patch)
plt.show()
if __name__ == '__main__':
main()
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