D.remove_nan_frame" title="Link to this definition">¶</a></dt>
<dd><p>Remove all external rows and columns that contains only nans. 
If internal is set, return the
internal crop (largest internal rectangle without nans on the frame).</p>
</dd></dl>

<dl class="py function">
<dt class="sig sig-object py" id="pySurf.data2D.removelegendre">
<span class="sig-prename descclassname"><span class="pre">pySurf.data2D.</span></span><span class="sig-name descname"><span class="pre">removelegendre</span></span><span c