class="o">.</span><span class="n">hue_angle</span><span class="p">(</span><span class="n">at</span><span class="p">,</span><span class="n">bt</span><span class="p">,</span><span class="n">htype</span> <span class="o">=</span> <span class="s1">&#39;rad&#39;</span><span class="p">)</span>
            
            <span class="n">Jr</span> <span class="o">=</span> <span class="n">jabr</span><span class="p">[</span><span class="o">...</span><span class="p">,</span><span class="mi">0</span><span class="p">:</spa