ss="reference internal image-reference" href="_images/unnamed-chunk-3-1.png"><img alt="White Oak Bayou watershed (DEM)" src="_images/unnamed-chunk-3-1.png" style="width: 672.0px; height: 384.0px;" /></a>
<p class="caption"><span class="caption-text">The White Oak Bayou watershed with Digital elevation model in meters.</span><a class="headerlink" href="#id13" title="Permalink to this image"></a></p>
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<p>Now, let’s examine <cite>GPMpolyCentroid</cite> function.</p>
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