def test_oceans():
f = os.path.join(get_demo_file('wrf_tip_d1.nc'))
grid = GeoNetcdf(f).grid
m = Map(grid, countries=False)
m.set_shapefile(rivers=True, linewidths=2)
m.set_shapefile(oceans=True, edgecolor='k', linewidth=3)
fig, ax = plt.subplots(1, 1)
m.visualize(ax=ax, addcbar=False)
plt.tight_layout()
return fig
def test_to_cartopy(self):
import cartopy.crs as ccrs
from salem import GeoNetcdf, GeoTiff
grid = gis.mercator_grid(center_ll=(11.38, 47.26),
extent=(2000000, 2000000))
p = gis.proj_to_cartopy(grid.proj)
assert isinstance(p, ccrs.TransverseMercator)
fuzzy_proj_tester(grid.proj, pyproj.Proj(p.proj4_params))
ds = GeoNetcdf(get_demo_file('wrfout_d01.nc'))
p = gis.proj_to_cartopy(ds.grid.proj)
assert isinstance(p, ccrs.LambertConformal)
fuzzy_proj_tester(ds.grid.proj, pyproj.Proj(p.proj4_params))
ds = GeoNetcdf(get_demo_file('wrf_mercator.nc'))
p = gis.proj_to_cartopy(ds.grid.proj)
assert isinstance(p, ccrs.Mercator)
fuzzy_proj_tester(ds.grid.proj, pyproj.Proj(p.proj4_params))
ds = GeoTiff(get_demo_file('himalaya.tif'))
p = gis.proj_to_cartopy(ds.grid.proj)
assert isinstance(p, ccrs.PlateCarree)
ds = GeoTiff(get_demo_file('hef_roi.tif'))
p = gis.proj_to_cartopy(ds.grid.proj)
assert isinstance(p, ccrs.PlateCarree)
fuzzy_proj_tester(ds.grid.proj, pyproj.Proj(p.proj4_params))
p = gis.proj_to_cartopy(wgs84)
assert isinstance(p, ccrs.PlateCarree)
p = gis.proj_to_cartopy(pyproj.Proj('+proj=utm +zone=15'))
assert isinstance(p, ccrs.UTM)
# this needs gdal
if gis.has_gdal:
p = gis.proj_to_cartopy(pyproj.Proj(init='epsg:26915'))
assert isinstance(p, ccrs.UTM)