oundary</dt>
<dd><p>A <a href="https://r-spatial.github.io/sf/reference/st.html" class="external-link">st_polygon</a> object, text string defining the file path to a spatial polygon, <a href="https://r-spatial.github.io/sf/reference/st_bbox.html" class="external-link">bounding box</a>, or a numeric vector of length 4 giving the boundaries for which <code>bathy</code> should be cut to. Should be given as <strong>decimal degrees</strong>. If unnamed numeric vector, the first element defines the minimum longit