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I have the following 2 GeoDataFrame variables in GeoPandas.

# shp.csr
{'init': 'epsg:2953'}

# line.csr
{'proj': 'sterea',
 'lat_0': 46.5,
 'lon_0': -66.5,
 'k': 0.999912,
 'x_0': 2500000,
 'y_0': 7500000,
 'ellps': 'GRS80',
 'towgs84': '0,0,0,0,0,0,0',
 'units': 'm',
 'no_defs': True}

When I do a sjoin of the 2 variables directly, a warning occurs:

/Users/jeff/.pyenv/versions/3.7.2/lib/python3.7/site-packages/geopandas/tools/sjoin.py:44: UserWarning: CRS of frames being joined does not match!
  warn('CRS of frames being joined does not match!')

How do I convert the CRS so that I can do a sjoin() correctly?

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This should be enough:

line = line.to_crs(epsg=2953)
  • how fast is this method? With about 30k rows, it took about 20 minutes to finish. is that expected? thanks – Jeff Xiao Mar 23 at 19:08

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