oordinate type.</span>
0014 <span class="comment">%       h - water depth on nodes.</span>
0015 <span class="comment">%       xc, yc or lonc, lat - element centre coordinates (cartesian or</span>
0016 <span class="comment">%       spherical depending on native_coord).</span>
0017 <span class="comment">%   timerange - start and end date array (in Modified Julian Days).</span>
0018 <span class="comment">%   type - supply an array of element centre indices.</span>
0019 <span class="comment">%   file - path to 