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PyCoast

https://travis-ci.org/pytroll/pycoast.svg?branch=main

Python package for adding coastlines and borders to raster images.

Installation

PyCoast can be installed from PyPI using pip:

pip install pycoast

Or with conda using the conda-forge channel:

conda install -c conda-forge pycoast

Example

>>> from PIL import Image
>>> from pycoast import ContourWriterAGG
>>> img = Image.open('BMNG_clouds_201109181715_areaT2.png')
>>> proj4_string = '+proj=stere +lon_0=8.00 +lat_0=50.00 +lat_ts=50.00 +ellps=WGS84'
>>> area_extent = (-3363403.31,-2291879.85,2630596.69,2203620.1)
>>> area_def = (proj4_string, area_extent)
>>> cw = ContourWriterAGG('/home/esn/data/gshhs')
>>> cw.add_coastlines(img, area_def, resolution='l', level=4)
>>> cw.add_rivers(img, area_def, level=5, outline='blue')
>>> cw.add_borders(img, area_def, outline=(255, 0, 0))
>>> img.show()