def __init__(self, proj):
if isinstance(proj, CRS):
self._crs = proj
elif isinstance(proj, Projection):
self._crs = proj._crs
elif isinstance(proj, (str,unicode)):
try:
self._crs = crs.decode(proj)
except:
try:
self._crs = crs.parseWKT(proj)
except:
raise Exception('Unable to determine projection from %s' % proj)
def __init__(self, proj):
if isinstance(proj, CRS):
self._crs = proj
elif isinstance(proj, Projection):
self._crs = proj._crs
elif isinstance(proj, (str, unicode)):
try:
self._crs = crs.decode(proj)
except:
try:
self._crs = crs.parseWKT(proj)
except:
raise Exception('Unable to determine projection from %s' %
proj)
def get_crs(clz, crs):
""" Converts crs definition to GeoTools CRS obj. """
if isinstance(crs, CoordinateReferenceSystem):
return crs
# @TODO
# Eventually should add handling for
# proj4 strings, dicts.
if isinstance(crs, str) or isinstance(crs, unicode):
if crs.startswith('EPSG:'):
return CRS.decode(crs)
# Otherwise assume WKT.
else:
return CRS.parseWKT(crs)
