Merge pull request #168 from jswhit/issue167

closes issue #167 (proj should be 'longlat' for gridType='regular_ll')

Author: jswhit

Changelog

@@ -2,6 +2,8 @@ version 2.1.2 (not yet released)
 ================================
 * use pytest-mpl for image comparison tests.
 * change license to MIT.
+* changes gribmessage.projparams['proj'] from 'cyl' to 'longlat'
+  for non-projection projections (e.g. 'regular_ll'). Issue #167.
 
 version 2.1.1 (git tag v2.1.1rel)
 =================================

pygrib.pyx

@@ -1288,7 +1288,7 @@ cdef class gribmessage(object):
                 if not tolerate_badgrib: raise ValueError('unknown shape of the earth flag')
 
         if self['gridType'] in ['reduced_gg','reduced_ll','regular_gg','regular_ll']: # regular lat/lon grid
-            projparams['proj']='cyl'
+            projparams['proj']='longlat'
         elif self['gridType'] == 'polar_stereographic':
             projparams['proj']='stere'
             projparams['lat_ts']=self['latitudeWhereDxAndDyAreSpecifiedInDegrees']