Update documentation

Author: spatialthoughts

_images/3896c13a40ba6276decd7676efb0be2358955b12f133849b3c37561e4bb47788.png

@@ -1726,26 +1726,25 @@ <h2>Aggregate Flood Events to Grid<a class="headerlink" href="#aggregate-flood-e
 <div class="highlight-ipython3 notranslate"><div class="highlight"><pre><span></span><span class="kn">from</span><span class="w"> </span><span class="nn">matplotlib.cm</span><span class="w"> </span><span class="kn">import</span> <span class="n">ScalarMappable</span>
 <span class="kn">from</span><span class="w"> </span><span class="nn">matplotlib.patches</span><span class="w"> </span><span class="kn">import</span> <span class="n">Patch</span>
 
-<span class="n">fig</span><span class="p">,</span> <span class="n">ax</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplots</span><span class="p">(</span><span class="n">figsize</span><span class="o">=</span><span class="p">(</span><span class="mi">12</span><span class="p">,</span> <span class="mi">12</span><span class="p">))</span>
+<span class="n">fig</span><span class="p">,</span> <span class="n">ax</span> <span class="o">=</span> <span class="n">plt</span><span class="o">.</span><span class="n">subplots</span><span class="p">(</span><span class="n">figsize</span><span class="o">=</span><span class="p">(</span><span class="mi">8</span><span class="p">,</span> <span class="mi">10</span><span class="p">))</span>
 
 <span class="c1"># Cells with no observations in neutral grey</span>
 <span class="n">grid_country</span><span class="p">[</span><span class="n">grid_country</span><span class="p">[</span><span class="s1">&#39;flood_count&#39;</span><span class="p">]</span> <span class="o">==</span> <span class="mi">0</span><span class="p">]</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span>
     <span class="n">ax</span><span class="o">=</span><span class="n">ax</span><span class="p">,</span> <span class="n">color</span><span class="o">=</span><span class="s1">&#39;#d9d9d9&#39;</span><span class="p">,</span> <span class="n">linewidth</span><span class="o">=</span><span class="mi">0</span>
 <span class="p">)</span>
 
 <span class="c1"># Cells with observations coloured by flood count</span>
-<span class="c1"># (flood counts are heavily right-skewed; log scale reveals spatial variation)</span>
-<span class="n">norm</span> <span class="o">=</span> <span class="n">mcolors</span><span class="o">.</span><span class="n">LogNorm</span><span class="p">(</span><span class="n">vmin</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">vmax</span><span class="o">=</span><span class="n">grid_country</span><span class="p">[</span><span class="s1">&#39;flood_count&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">max</span><span class="p">())</span>
+<span class="c1"># Using simple linear scale from 1 to 100</span>
 <span class="n">cmap</span> <span class="o">=</span> <span class="s1">&#39;YlOrRd&#39;</span>
 
 <span class="n">non_zero</span> <span class="o">=</span> <span class="n">grid_country</span><span class="p">[</span><span class="n">grid_country</span><span class="p">[</span><span class="s1">&#39;flood_count&#39;</span><span class="p">]</span> <span class="o">&gt;</span> <span class="mi">0</span><span class="p">]</span>
 <span class="n">non_zero</span><span class="o">.</span><span class="n">plot</span><span class="p">(</span>
     <span class="n">ax</span><span class="o">=</span><span class="n">ax</span><span class="p">,</span> <span class="n">column</span><span class="o">=</span><span class="s1">&#39;flood_count&#39;</span><span class="p">,</span>
-    <span class="n">cmap</span><span class="o">=</span><span class="n">cmap</span><span class="p">,</span> <span class="n">norm</span><span class="o">=</span><span class="n">norm</span><span class="p">,</span> <span class="n">linewidth</span><span class="o">=</span><span class="mi">0</span>
+    <span class="n">cmap</span><span class="o">=</span><span class="n">cmap</span><span class="p">,</span> <span class="n">vmin</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">vmax</span><span class="o">=</span><span class="mi">100</span><span class="p">,</span> <span class="n">linewidth</span><span class="o">=</span><span class="mi">0</span>
 <span class="p">)</span>
 
 <span class="c1"># Add Colorbar (Legend for flood counts)</span>
-<span class="n">sm</span> <span class="o">=</span> <span class="n">ScalarMappable</span><span class="p">(</span><span class="n">norm</span><span class="o">=</span><span class="n">norm</span><span class="p">,</span> <span class="n">cmap</span><span class="o">=</span><span class="n">cmap</span><span class="p">)</span>
+<span class="n">sm</span> <span class="o">=</span> <span class="n">ScalarMappable</span><span class="p">(</span><span class="n">cmap</span><span class="o">=</span><span class="n">cmap</span><span class="p">,</span> <span class="n">norm</span><span class="o">=</span><span class="n">plt</span><span class="o">.</span><span class="n">Normalize</span><span class="p">(</span><span class="n">vmin</span><span class="o">=</span><span class="mi">1</span><span class="p">,</span> <span class="n">vmax</span><span class="o">=</span><span class="mi">100</span><span class="p">))</span>
 <span class="n">cbar</span> <span class="o">=</span> <span class="n">fig</span><span class="o">.</span><span class="n">colorbar</span><span class="p">(</span><span class="n">sm</span><span class="p">,</span> <span class="n">ax</span><span class="o">=</span><span class="n">ax</span><span class="p">,</span> <span class="n">shrink</span><span class="o">=</span><span class="mf">0.5</span><span class="p">,</span> <span class="n">pad</span><span class="o">=</span><span class="mf">0.02</span><span class="p">)</span>
 <span class="n">cbar</span><span class="o">.</span><span class="n">set_label</span><span class="p">(</span><span class="s1">&#39;Number of Unique Flood Events&#39;</span><span class="p">,</span> <span class="n">fontsize</span><span class="o">=</span><span class="mi">10</span><span class="p">)</span>
 
@@ -1764,7 +1763,7 @@ <h2>Aggregate Flood Events to Grid<a class="headerlink" href="#aggregate-flood-e
 </div>
 </div>
 <div class="cell_output docutils container">
-<img alt="../_images/5d8eb077d6d846ee75b1c00dadb06b2a7e4f217bf101eb889204fc93cdacef75.png" src="../_images/5d8eb077d6d846ee75b1c00dadb06b2a7e4f217bf101eb889204fc93cdacef75.png" />
+<img alt="../_images/3896c13a40ba6276decd7676efb0be2358955b12f133849b3c37561e4bb47788.png" src="../_images/3896c13a40ba6276decd7676efb0be2358955b12f133849b3c37561e4bb47788.png" />
 </div>
 </div>
 <p>Save the results to a GeoPackage.</p>