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doc/reference/xarray/vectorfield.ipynb

@@ -150,7 +150,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "If we just try to call `ds.hvplot.vectorfield` this is probably returning `MemoryError`. The alternative is to dynamically downsample the data based on the visible range. This helps manage memory consumption when dealing with large datasets, especially when plotting vector fields."
+    "If we just try to call `ds.hvplot.vectorfield` this is probably returning `MemoryError`. The alternative is to dynamically downsample the data based on the visible range. This helps manage memory consumption when dealing with large datasets, especially when plotting vector fields. We are going to use HoloViews to create a view (`hv.DynamicMap`) whose content is dynamically updated based on the data range displayed (tracked by the `hv.streams.RangeXY` stream), [find out more about these concepts](https://holoviews.org/user_guide/Custom_Interactivity.html)."
    ]
   },
   {
@@ -159,7 +159,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "def create_quiver(x_range=None, y_range=None, nmax=10):\n",
+    "def downsample_quiver(x_range=None, y_range=None, nmax=10):\n",
     "    \"\"\"\n",
     "    Creates a HoloViews vector field plot from a dataset, dynamically downsampling \n",
     "    data based on the visible range to optimize memory usage.\n",
@@ -203,13 +203,18 @@
     "        hover=False,\n",
     "    ).opts(magnitude=\"mag\")\n",
     "\n",
-    "    return quiver\n",
-    "\n",
-    "\n",
+    "    return quiver"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
     "# Create interactive plot components\n",
     "range_xy = hv.streams.RangeXY()               # Stream to capture range changes\n",
-    "filtered = hv.DynamicMap(create_quiver, streams=[range_xy])  # Dynamic plot\n",
-    "range_xy.source = filtered                   # Link stream to the plot\n",
+    "filtered = hv.DynamicMap(downsample_quiver, streams=[range_xy])  # Dynamic plot\n",
     "filtered                                      # Display the plot"
    ]
   }