ss="dont-index">Source: <a href="https://github.com/dankelley/oce/blob/HEAD/R/topo.R" class="external-link"><code>R/topo.R</code></a></small>
      <div class="d-none name"><code>topoInterpolate.Rd</code></div>
    </div>

    <div class="ref-description section level2">
    <p>Bilinear interpolation is used so that values will vary smoothly within a
longitude-latitude grid cell. Note that the sign convention for
<code>longitude</code> and <code>latitude</code> must match that in <code>topo</code>.</p>
    