pre">kwargs</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#pySurf.data2D.level_by_line" title="Link to this definition">¶</a></dt>
<dd><p>Remove line through extremes line by line (along vertical lines).</p>
<p>The returned array has 0 at the ends, but not necessarily zero mean.
If fignum is set, plot comparison in corresponding figure.
Function is a function of profile vector y that returns a corrected profile.</p>
<p>Completely useless, can be replaced by np.apply_along_ax