// OiBSurfZPlane.cpp

#include "OiBSurfZPlane.h"

#include <cassert>
#include "trfzp/BSurfZPlane.h"
#include "Inventor/nodes/SoSeparator.h"
#include "Inventor/nodes/SoTranslation.h"
#include "oiext/SoPolygon.hpp"

//**********************************************************************

// Class initialization.

void OiBSurfZPlane::init_class() const {
  SoPolygon::initClass();
}

//**********************************************************************

// Generate OI representation.

SoNode* OiBSurfZPlane::
generate_representation(const Surface& srf,
                        const OiSurfaceTraits traits) const {

  assert( srf.get_type() == BSurfZPlane::get_static_type() );

  const BSurfZPlane& rsrf = dynamic_cast<const BSurfZPlane&>(srf);

  double zpos = rsrf.get_parameter(SurfZPlane::ZPOS);
  double x1 = rsrf.get_xmin();
  double x2 = rsrf.get_xmax();
  double y1 = rsrf.get_ymin();
  double y2 = rsrf.get_ymax();
  SoPolygon::PointList points;
  points.push_back( CartesianTwoPoint(x1,y1) );
  points.push_back( CartesianTwoPoint(x2,y1) );
  points.push_back( CartesianTwoPoint(x2,y2) );
  points.push_back( CartesianTwoPoint(x1,y2) );

  int ispace = traits.ispace;

  SoSeparator* psep = new SoSeparator;
  SoTranslation* ptrans = new SoTranslation;
  ptrans->translation.setValue(0.0,0.0,zpos);
  psep->addChild(ptrans);
  SoPolygon* psobj = new SoPolygon(points,ispace);
  psep->addChild(psobj);

  return psep;

}

//**********************************************************************