add .yml for Travis CI

Author: miniufo

.DS_Store

@@ -0,0 +1,2 @@
+language: python
+script: true

.travis.yml

@@ -50,14 +50,24 @@
 
 ax = axes[0]
 m=ax.pcolormesh(XLON, XLAT, np.abs(lats-XLAT))
-ax.set_title('error of lats (m)')
+ax.set_title('error of lats (deg)')
 ax.colorbar(m, loc='b')
 
 ax = axes[1]
 m=ax.pcolormesh(XLON, XLAT, np.abs(lons-XLON))
-ax.set_title('error of lons (m)')
+ax.set_title('error of lons (deg)')
 ax.colorbar(m, loc='b')
 
 axes.format(abc='(a)')
 
 
+#%% write proj info into NetCDF
+from pyproj import CRS
+
+projcrs = CRS(crs.proj4_init)
+
+cf = projcrs.to_cf()
+crs_new = projcrs.from_cf(cf)
+crs_new == projcrs
+
+