Merge pull request #39 from ICESat2-SlideRule/widgets

add land class widget

Author: jpswinski

examples/api_widgets_demo.ipynb

@@ -141,7 +141,7 @@
    "source": [
     "# dropdown menu for setting asset\n",
     "AssetDropdown = widgets.Dropdown(\n",
-    "    options=['atlas-local', 'atlas-s3'],\n",
+    "    options=['atlas-local', 'atlas-s3', 'nsidc-s3'],\n",
     "    value='atlas-s3',\n",
     "    description='Asset:',\n",
     "    disabled=False,\n",
@@ -198,6 +198,20 @@
     "    readout_format='d'\n",
     ")\n",
     "\n",
+    "# selection for land surface classifications\n",
+    "land_options = [\n",
+    "    'atl08_noise',\n",
+    "    'atl08_ground',\n",
+    "    'atl08_canopy',\n",
+    "    'atl08_top_of_canopy',\n",
+    "    'atl08_unclassified'\n",
+    "]\n",
+    "ClassSelect = widgets.SelectMultiple(\n",
+    "    options=land_options,\n",
+    "    description='Land Class:',\n",
+    "    disabled=False\n",
+    ")\n",
+    "\n",
     "# slider for setting maximum number of iterations\n",
     "# (not including initial least-squares-fit selection)\n",
     "IterationSlider = widgets.IntSlider(\n",
@@ -275,6 +289,7 @@
     "    LengthSlider,\n",
     "    StepSlider,\n",
     "    ConfSlider,\n",
+    "    ClassSelect,\n",
     "    IterationSlider,\n",
     "    SpreadSlider,\n",
     "    CountSlider,\n",
@@ -312,6 +327,8 @@
     "    \"res\": StepSlider.value,\n",
     "    # confidence level for PE selection (default: 4)\n",
     "    \"cnf\": ConfSlider.value,\n",
+    "    # ATL08 land surface classifications\n",
+    "    \"atl08_class\": list(ClassSelect.value),\n",
     "    # maximum iterations, not including initial least-squares-fit selection (default: 1)\n",
     "    \"maxi\": IterationSlider.value,\n",
     "    # minimum along track spread (default: 20.0)\n",
@@ -359,31 +376,42 @@
     "# adjust subplot within figure\n",
     "f1.subplots_adjust(left=0.02,right=0.98,bottom=0.05,top=0.98)\n",
     "\n",
-    "# output plot of fit height for each segment\n",
-    "spots = rsps['spot'].unique()\n",
-    "f2, ax2 = plt.subplots(num=2,ncols=len(spots),sharey=True,figsize=(8,6))\n",
-    "for j,spot in enumerate(spots):\n",
-    "    rsps_per_spot = rsps[rsps[\"spot\"]==spot]\n",
-    "    ax2[j].plot(rsps_per_spot['segment_id'],rsps_per_spot['h_mean'],'r')\n",
-    "    ax2[j].set_xlabel('Segment ID')\n",
-    "    ax2[j].set_title('Spot {0:d}'.format(spot))\n",
-    "ax2[0].set_ylabel('Along Track Elevation [m]')\n",
-    "title = 'SlideRule ATL06 Segment Fits\\nSegment Length {0:d}m, Step Size {1:d}m'\n",
-    "f2.suptitle(title.format(LengthSlider.value,StepSlider.value))\n",
-    "f2.subplots_adjust(wspace=0.05)\n",
-    "\n",
-    "# show plots\n",
+    "# output map of heights\n",
+    "f2, ax2 = plt.subplots(num=2, nrows=1, ncols=1, figsize=(10,6),\n",
+    "    subplot_kw=dict(projection=cartopy.crs.PlateCarree()))\n",
+    "# create scatter plot of elevations\n",
+    "sc = ax2.scatter(gdf.geometry.x,gdf.geometry.y,c=gdf.h_mean,\n",
+    "    s=1,edgecolor='none',cmap=plt.cm.viridis,\n",
+    "    transform=cartopy.crs.PlateCarree())\n",
+    "# extract latitude and longitude of polygon\n",
+    "lon = [r['lon'] for r in regions[0]]\n",
+    "lat = [r['lat'] for r in regions[0]]\n",
+    "ax2.plot(lon, lat, 'r', lw=1.5, transform=cartopy.crs.PlateCarree())\n",
+    "# add coastlines with filled land and lakes\n",
+    "ax2.add_feature(cartopy.feature.LAND, zorder=0, edgecolor='black')\n",
+    "ax2.add_feature(cartopy.feature.LAKES)\n",
+    "#-- Add colorbar axes at position rect [left, bottom, width, height]\n",
+    "cbar_ax = f2.add_axes([0.87, 0.015, 0.0325, 0.94])\n",
+    "#-- add extension triangles to upper and lower bounds\n",
+    "cbar = f2.colorbar(sc, cax=cbar_ax, extend='both', extendfrac=0.0375,\n",
+    "    drawedges=False, orientation='vertical')\n",
+    "#-- rasterized colorbar to remove lines\n",
+    "cbar.solids.set_rasterized(True)\n",
+    "#-- Add label to the colorbar and adjust coordinates\n",
+    "cbar.ax.set_ylabel('Height above WGS84 Ellipsoid',labelpad=10)\n",
+    "cbar.ax.set_xlabel('m', rotation=0)\n",
+    "cbar.ax.xaxis.set_label_coords(0.5, 1.05)\n",
+    "cbar.ax.tick_params(which='both', width=1, direction='in')\n",
+    "# stronger linewidth on frame\n",
+    "ax2.spines['geo'].set_linewidth(2.0)\n",
+    "ax2.spines['geo'].set_capstyle('projecting')\n",
+    "# adjust subplot within figure\n",
+    "f2.subplots_adjust(left=0.02,right=0.86,bottom=0.05,top=0.98)\n",
+    "# show the figures\n",
     "plt.show()"
    ],
    "outputs": [],
    "metadata": {}
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "source": [],
-   "outputs": [],
-   "metadata": {}
   }
  ],
  "metadata": {