ss="c1">#     Wrapper function for cam18sl inverse mode with &#39;Q,aW,bW&#39; input.</span>
<span class="c1">#     (Note that &#39;Q,aW,bW&#39; is a Cartesian a,b-coordinate system centered at (1,0))</span>
    
<span class="c1">#     | For help on parameter details: ?luxpy.cam.cam18sl</span>
<span class="c1">#     &quot;&quot;&quot;</span>
<span class="c1">#     return cam18sl(qab, datab = xyzb, Lb = Lb, fov = fov, direction = &#39;inverse&#39;, inputtype = &#39;xyz&#39;, outin = &#39;Q,aW,bW&#39;, parame