💫 IceSat2Explorer is now free to explore any placename

Remove the hardcoding on visualizing whillans_upstream region only! Just needed a proper __init__ and super()__init__ inside the class :D. This change also allows us to make IceSat2Explorer a first class import citizen again, as the data won't be loaded on `import deepicedrain`, and tests won't break because of a FileNotFoundError for 'df_dhdt_whillans_upstream.parquet'.

atlxi_dhdt.ipynb

@@ -53,8 +53,7 @@
     "import tqdm\n",
     "import xarray as xr\n",
     "\n",
-    "import deepicedrain\n",
-    "import deepicedrain.vizplots"
+    "import deepicedrain"
    ]
   },
   {
@@ -925,7 +924,7 @@
    "source": [
     "# Interactive holoviews scatter plot to find referencegroundtrack needed\n",
     "# Tip: Hover over the points, and find those with high 'dhdt_slope' values\n",
-    "viewer = deepicedrain.vizplots.IceSat2Explorer(name=\"ICESat-2 Explorer\")\n",
+    "viewer = deepicedrain.IceSat2Explorer(name=\"ICESat-2 Explorer\", placename=placename)\n",
     "dashboard: pn.layout.Column = pn.Column(viewer.widgets, viewer.view)\n",
     "# dashboard"
    ]

atlxi_dhdt.py

@@ -57,7 +57,6 @@
 import xarray as xr
 
 import deepicedrain
-import deepicedrain.vizplots
 
 # %%
 client = dask.distributed.Client(n_workers=72, threads_per_worker=1)
@@ -414,7 +413,7 @@
 # %%
 # Interactive holoviews scatter plot to find referencegroundtrack needed
 # Tip: Hover over the points, and find those with high 'dhdt_slope' values
-viewer = deepicedrain.vizplots.IceSat2Explorer(name="ICESat-2 Explorer")
+viewer = deepicedrain.IceSat2Explorer(name="ICESat-2 Explorer", placename=placename)
 dashboard: pn.layout.Column = pn.Column(viewer.widgets, viewer.view)
 # dashboard
 

deepicedrain/__init__.py

@@ -11,8 +11,7 @@
     lonlat_to_xy,
     point_in_polygon_gpu,
 )
-
-# from deepicedrain.vizplots import IceSat2Explorer
+from deepicedrain.vizplots import IceSat2Explorer
 
 __version__: str = "0.2.1"
 

deepicedrain/atlas_catalog.yaml

@@ -115,6 +115,7 @@ sources:
         type: str
         default: siple_coast
         allowed:
+          - kamb
           - siple_coast
           - whillans_upstream
           - whillans_downstream

deepicedrain/vizplots.py

@@ -29,6 +29,7 @@ class IceSat2Explorer(param.Parameterized):
     See also https://github.com/holoviz/datashader/pull/676.
     """
 
+    # Param Widgets that interactively control plot settings
     plot_variable = param.Selector(
         default="dhdt_slope", objects=["referencegroundtrack", "dhdt_slope", "h_corr"]
     )
@@ -37,24 +38,29 @@ class IceSat2Explorer(param.Parameterized):
     rasterize = param.Boolean(default=True)
     datashade = param.Boolean(default=False)
 
-    # Load from intake data source
-    # catalog = intake.cat.atlas_cat
-    catalog: intake.catalog.local.YAMLFileCatalog = intake.open_catalog(
-        os.path.join(os.path.dirname(__file__), "atlas_catalog.yaml")
-    )
-    placename: str = "whillans_upstream"
-    source = catalog.icesat2dhdt(placename=placename)
-    if os.path.exists(f"ATLXI/df_dhdt_{placename}.parquet"):
+    def __init__(self, placename: str = "whillans_upstream", **kwargs):
+        super().__init__(**kwargs)
+        self.placename = placename
+
+        # Load from intake data source
+        # catalog = intake.cat.atlas_cat
+        self.catalog: intake.catalog.local.YAMLFileCatalog = intake.open_catalog(
+            os.path.join(os.path.dirname(__file__), "atlas_catalog.yaml")
+        )
+        self.source = self.catalog.icesat2dhdt(placename=self.placename)
+
         try:
             import cudf
             import hvplot.cudf
 
-            df_ = cudf.read_parquet(source._urlpath)
+            self.df_ = cudf.read_parquet(self.source._urlpath)
         except ImportError:
-            df_ = source.to_dask()
-        plot: hv.core.spaces.DynamicMap = source.plot.dhdt_slope()  # default plot
-        startX, endX = plot.range("x")
-        startY, endY = plot.range("y")
+            self.df_ = self.source.to_dask()
+
+        # Setup default plot (dhdt_slope) and x/y axis limits
+        self.plot: hv.core.spaces.DynamicMap = self.source.plot.dhdt_slope()
+        self.startX, self.endX = self.plot.range("x")
+        self.startY, self.endY = self.plot.range("y")
 
     def keep_zoom(self, x_range, y_range):
         self.startX, self.endX = x_range
@@ -79,7 +85,9 @@ def view(self) -> hv.core.spaces.DynamicMap:
 
         # Create the plot! Uses plot_kwargs from catalog metdata
         # self.plot = getattr(source.plot, self.plot_variable)()
-        self.source = self.catalog.icesat2dhdt(cycle=self.cycle_number)
+        self.source = self.catalog.icesat2dhdt(
+            cycle=self.cycle_number, placename=self.placename
+        )
         plot_kwargs = {
             "xlabel": self.source.metadata["fields"]["x"]["label"],
             "ylabel": self.source.metadata["fields"]["y"]["label"],