Merge pull request #261 from podaac/vds_recipes_smallupdate

Small updates to kerchunk and virtualizarr recipe notebooks

Author: NickTarpinian

notebooks/Advanced_cloud/kerchunk_recipes.ipynb

@@ -654,7 +654,19 @@
    "metadata": {},
    "source": [
     "### 1.3 Create the combined reference file and use it to open the data\n",
-    "However the single reference files were generated in the previous section, they can now be used to create a single reference file for the entire year 2019. The computation time for this step can also be decreased with parallel computing, but in this case serial computing is used."
+    "However the single reference files were generated in the previous section, they can now be used to create a single reference file for the entire year 2019. The computation time for this step can also be decreased with parallel computing, but in this case serial computing is used.\n",
+    "\n",
+    "***Important: Modify the `time_invariant_dims_and_coords` list in the next block. List all the NC dimension and coordinate names other than time. This is necessary to ensure they stay 1D and do not get a dummy time dimension added to them.***"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "9fdf7203-9cf9-47df-89f8-82be7f6ccebf",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "time_invariant_dims_and_coords = []"
    ]
   },
   {
@@ -683,7 +695,12 @@
     "ref_files_indv.sort()\n",
     "\n",
     "## Combined reference file\n",
-    "kwargs_mzz = {'remote_protocol':\"s3\", 'remote_options':fs.storage_options, 'concat_dims':[\"time\"]}\n",
+    "kwargs_mzz = {\n",
+    "    'remote_protocol':\"s3\", \n",
+    "    'remote_options':fs.storage_options, \n",
+    "    'concat_dims':[\"time\"]\n",
+    "    'identical_dims':time_invariant_dims_and_coords\n",
+    "    }\n",
     "mzz = MultiZarrToZarr(ref_files_indv, **kwargs_mzz)\n",
     "ref_combined = mzz.translate()\n",
     "\n",
@@ -2266,7 +2283,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.0"
+   "version": "3.12.9"
   }
  },
  "nbformat": 4,

notebooks/Advanced_cloud/virtualizarr_recipes.ipynb

@@ -77,7 +77,7 @@
     "matplotlib==3.9.2\n",
     "jupyterlab\n",
     "jupyter-server-proxy\n",
-    "virtualizarr==1.3.0\n",
+    "virtualizarr==1.2.0\n",
     "kerchunk==0.2.7\n",
     "```\n",
     "And optionally:\n",
@@ -990,7 +990,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.12.9"
+   "version": "3.12.0"
   }
  },
  "nbformat": 4,