Use consistently "netCDF" (#2620)

doc/contributing.md

@@ -67,7 +67,7 @@ the problem:
   where `<test>` is the name of your test script. Note that this script works only with GMT>=6.4
 * If the bug is produced when passing an in-memory data object (e.g., a
   pandas.DataFrame or xarray.DataArray) to a PyGMT function, try writing the
-  data to a file (e.g., a NetCDF or ASCII txt file) and passing the data file
+  data to a file (e.g., a netCDF or ASCII txt file) and passing the data file
   to the PyGMT function instead. In the GitHub issue, please share the results
   for both cases along with your code.
 

examples/gallery/images/track_sampling.py

@@ -10,7 +10,7 @@
 parameter that will be used to name the new column of values sampled from the
 grid.
 
-Alternatively, a NetCDF file path can be passed to ``grid``. An ASCII file path
+Alternatively, a netCDF file path can be passed to ``grid``. An ASCII file path
 can also be accepted for ``points``. To save an output ASCII file, a file name
 argument needs to be passed to the ``outfile`` parameter.
 """

pygmt/src/grdfilter.py

@@ -124,7 +124,7 @@ def grdfilter(grid, **kwargs):
     >>> import os
     >>> import pygmt
     >>> # Apply a filter of 600 km (full width) to the @earth_relief_30m_g file
-    >>> # and return a filtered field (saved as NetCDF)
+    >>> # and return a filtered field (saved as netCDF)
     >>> pygmt.grdfilter(
     ...     grid="@earth_relief_30m_g",
     ...     filter="m600",

pygmt/src/grdtrack.py

@@ -68,7 +68,7 @@ def grdtrack(grid, points=None, newcolname=None, outfile=None, **kwargs):
     Parameters
     ----------
     grid : xarray.DataArray or str
-        Gridded array from which to sample values from, or a file name (netcdf
+        Gridded array from which to sample values from, or a file name (netCDF
         format).
 
     points : str or {table-like}

pygmt/src/nearneighbor.py

@@ -93,7 +93,7 @@ def nearneighbor(data=None, x=None, y=None, z=None, **kwargs):
         close to a node.
 
     outgrid : str
-        Optional. The file name for the output netcdf file with extension .nc
+        Optional. The file name for the output netCDF file with extension .nc
         to store the grid in.
 
     empty : str

pygmt/src/surface.py

@@ -86,7 +86,7 @@ def surface(data=None, x=None, y=None, z=None, **kwargs):
     {region}
 
     outgrid : str
-        Optional. The file name for the output netcdf file with extension .nc
+        Optional. The file name for the output netCDF file with extension .nc
         to store the grid in.
     convergence : float
         Optional. Convergence limit. Iteration is assumed to have converged

pygmt/tests/test_clib_put_matrix.py

@@ -66,7 +66,7 @@ def test_put_matrix_fails():
 
 def test_put_matrix_grid(dtypes):
     """
-    Check that assigning a numpy 2-D array to an ASCII and NetCDF grid works.
+    Check that assigning a numpy 2-D array to an ASCII and netCDF grid works.
     """
     wesn = [10, 15, 30, 40, 0, 0]
     inc = [1, 1]

pygmt/tests/test_grdimage.py

@@ -25,7 +25,7 @@ def fixture_grid_360(grid):
     180).
     """
     _grid = grid.copy()  # get a copy of original earth_relief grid
-    _grid.encoding.pop("source")  # unlink earth_relief NetCDF source
+    _grid.encoding.pop("source")  # unlink earth_relief netCDF source
     _grid["lon"] = np.arange(0, 361, 1)  # convert longitude from -180:180 to 0:360
     return _grid
 
@@ -212,7 +212,7 @@ def test_grdimage_central_meridians(grid, proj_type, lon0):
     return fig_ref, fig_test
 
 
-# Cylindrical Equidistant (Q) projections plotted with xarray and NetCDF grids
+# Cylindrical Equidistant (Q) projections plotted with xarray and netCDF grids
 # are still slightly different with an RMS error of 25, see issue at
 # https://github.com/GenericMappingTools/pygmt/issues/390
 # TO-DO remove tol=1.5 and pytest.mark.xfail once bug is solved in upstream GMT

pygmt/tests/test_grdtrack.py

@@ -80,7 +80,7 @@ def test_grdtrack_input_csvfile_and_dataarray(dataarray, expected_array):
 
 def test_grdtrack_input_dataframe_and_ncfile(dataframe, expected_array):
     """
-    Run grdtrack by passing in a pandas.DataFrame and netcdf file as inputs.
+    Run grdtrack by passing in a pandas.DataFrame and netCDF file as inputs.
     """
     output = grdtrack(
         points=dataframe, grid="@static_earth_relief.nc", newcolname="bathymetry"
@@ -92,7 +92,7 @@ def test_grdtrack_input_dataframe_and_ncfile(dataframe, expected_array):
 
 def test_grdtrack_input_csvfile_and_ncfile_to_dataframe(expected_array):
     """
-    Run grdtrack by passing in a csv file and netcdf file as inputs with a
+    Run grdtrack by passing in a csv file and netCDF file as inputs with a
     pandas.DataFrame output.
     """
     output = grdtrack(points=POINTS_DATA, grid="@static_earth_relief.nc")

pygmt/tests/test_grdview.py

@@ -27,7 +27,7 @@ def fixture_grid():
 @pytest.fixture(scope="module", name="gridfile")
 def fixture_gridfile(grid, region):
     """
-    Load the NetCDF grid file from the sample earth_relief file.
+    Load the netCDF grid file from the sample earth_relief file.
     """
     with GMTTempFile(suffix=".nc") as tmpfile:
         grdcut(grid=grid, region=region, outgrid=tmpfile.name)

pygmt/tests/test_io.py

@@ -10,7 +10,7 @@
 
 def test_io_load_dataarray():
     """
-    Check that load_dataarray works to read a NetCDF grid with
+    Check that load_dataarray works to read a netCDF grid with
     GMTDataArrayAccessor information loaded.
     """
     with GMTTempFile(suffix=".nc") as tmpfile:

pygmt/tests/test_nearneighbor.py

@@ -81,6 +81,6 @@ def test_nearneighbor_with_outgrid_param(ship_data):
         assert output is None  # check that output is None since outgrid is set
         assert Path(tmpfile.name).stat().st_size > 0  # check that outgrid exists
         with xr.open_dataarray(tmpfile.name) as grid:
-            assert isinstance(grid, xr.DataArray)  # ensure netcdf grid loads ok
+            assert isinstance(grid, xr.DataArray)  # ensure netCDF grid loads ok
             assert grid.shape == (121, 121)
             npt.assert_allclose(grid.mean(), -2378.2385)