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/home/xchen/xia/src/glrender/demoCircle.cc

#include <View.H>
#include <TensorBlossom.H>

using namespace xchen;

void bspcircle(View* v)
{

  TensorBlossom<1,4> *circle = new TensorBlossom<1,4>(2,8);
 
  double w = sqrt(2.0) / 2;
  E4 p(1, 0, 0, 1);
  circle->ControlMesh() = 
    p, 
    rY(45)(p).Syw(w), 
    rY(90)(p), 
    rY(135)(p).Syw(w),
    rY(180)(p), 
    rY(225)(p).Syw(w),
    rY(270)(p), 
    rY(315)(p).Syw(w);
    
  circle->IsRational() = true;
  circle->SetPeriodicEnd();
  circle->KnotVector() = 0.,0, 1, 1, 2, 2, 3, 3, 4;

  new glModel(v, circle);
}
  

void new_glModel(View* v) 
{
  bspcircle(v);
}

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