ere.
     var pp     = (p5^p6).Normalized,
         line   = (p2^p3^ni).Normalized,
         circle = (p4^p2^p3).Normalized,
         sphere = (1e12345*(p7-.5*ni)).Normalized;
     
  // Now we will use the OPNS visualizer to show how the shape of the
  // object evolves as we interpolate from one to the other.

  // We apply an extra small thresh hold to get nice and fine visualizations.
  // Feel free to change the thresh number below
    document.body.appendChild(this.graph([
        0xFF0000, p1,     //