rgent colormap like <tt>cork</tt> or <tt>vik</tt> might draw the eye toward the general direction of coastlines, but would not provide a clear definition between land and ocean, so the <tt>crameri</tt> colormaps include <tt>'oleron'</tt>, which is designed specifically for topography. Below I'm using my <a href="https://www.mathworks.com/matlabcentral/fileexchange/49065-shadem"><tt>shadem</tt></a> function to apply relief shading.</p><pre class="codeinput">load <span class="string">topo</span>

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