ss="pre">wdata</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">x</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">y</span></span></em>, <em class="sig-param"><span class="n"><span class="pre">scale</span></span><span class="o"><span class="pre">=</span></span><span class="default_value"><span class="pre">(1.0,</span> <span class="pre">1.0,</span> <span class="pre">1.0)</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#pySurf