Merge pull request #1208 from OceanParcels/field_netcdf_decodewarning…

…_option

Adding option to silence xarray decodewarnings

parcels/examples/documentation_indexing.ipynb

@@ -65,7 +65,11 @@
  {
  "cell_type": "code",
  "execution_count": 2,
- "metadata": {},
+ "metadata": {
+ "tags": [
+ "raises-exception"
+ ]
+ },
  "outputs": [
  {
  "ename": "ValueError",
@@ -123,19 +127,7 @@
  "cell_type": "code",
  "execution_count": 4,
  "metadata": {},
- "outputs": [
- {
- "name": "stderr",
- "output_type": "stream",
- "text": [
- "WARNING: File NemoNorthSeaORCA025-N006_data/coordinates.nc could not be decoded properly by xarray (version 0.15.1).\n",
- " It will be opened with no decoding. Filling values might be wrongly parsed.\n",
- "WARNING: Casting lon data to np.float32\n",
- "WARNING: Casting lat data to np.float32\n",
- "WARNING: Trying to initialize a shared grid with different chunking sizes - action prohibited. Replacing requested field_chunksize with grid's master chunksize.\n"
- ]
- }
- ],
+ "outputs": [],
  "source": [
  "mesh_mask = data_path + 'coordinates.nc'\n",
  "\n",
@@ -147,7 +139,14 @@
  " 'V': {'lon': 'glamf', 'lat': 'gphif', 'depth': 'depthw', 'time': 'time_counter'},\n",
  " 'W': {'lon': 'glamf', 'lat': 'gphif', 'depth': 'depthw', 'time': 'time_counter'}}\n",
  "\n",
- "fieldsetC = FieldSet.from_nemo(filenames, variables, dimensions)"
+ "fieldsetC = FieldSet.from_nemo(filenames, variables, dimensions, netcdf_decodewarning=False)"
+ ]
+ },
+ {
+ "cell_type": "markdown",
+ "metadata": {},
+ "source": [
+ "Note by the way, that we used `netcdf_decodewarning=False` in the `FieldSet.from_nemo()` call above. This is to silence an expected warning because the time dimension in the `coordinates.nc` file can't be decoded by `xarray`."
  ]
  },
  {
@@ -221,7 +220,7 @@
  ],
  "metadata": {
  "kernelspec": {
- "display_name": "Python 3",
+ "display_name": "Python 3 (ipykernel)",
  "language": "python",
  "name": "python3"
  },
@@ -235,7 +234,7 @@
  "name": "python",
  "nbconvert_exporter": "python",
  "pygments_lexer": "ipython3",
- "version": "3.8.5"
+ "version": "3.8.13"
  }
  },
  "nbformat": 4,