</pre><img vspace="5" hspace="5" src="tmd_getting_started_04.png" alt=""> <h2 id="9">5. Accessing tide model data</h2><p>You can use <tt>tmd_interp</tt> to interpolate quantities from the model data file, like ocean masks or constituent coefficients. Here we get the water column thickness (essentially the ocean depth) at every grid point we defined above:</p><pre class="codeinput">wct = tmd_interp(<span class="string">'Gr1kmTM_v1.nc'</span>,<span class="string">'wct'</span>,Lat,Lon);

figure
pcolor(lon,lat,