PRESSIONS">ZAXREPLACE</a> functions may be used to regrid this kind of data to a Z axis with physical units.</p>
<p> </p>
<p align="left">See also the FAQ on <a href="https://ferret.pmel.noaa.gov/Ferret/faq/using-sigma-and-curvilinear-model-coordinates">Using Sigma Coordinates</a>.</p>
<p>
<a name="_VPID_327" id="_VPID_327"></a><a name="_VPINDEXENTRY_991" id="_VPINDEXENTRY_991"></a></p>
<p align="left" class="secHeader">8.7.1 <b>Visualization techniques for sigma coordinate data </b></p>
<p align="left">Vi