matplotlib Code

use osgeo.ogr to read shapefile.

fix URLs, gdal import.

add inf handling to rec2excel

update

update warpimage, include plotsst

changes to warpimage.

extend warpimage method to accept URL's, handle grayscale images.

bugfix: masked array was created but not used

Check for isfinite in get_path_extents.
This is part of an experiment to make nan and inf be ignored
equally throughout plotting; it may turn out to be unnecessary,
in which case it should be reverted for the sake of efficiency.

Use MPL_notisfinite in place of MPL_isnan