CrvFace.h

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

  (c) 2004-2014 Scientific Computation Research Center, 
      Rensselaer Polytechnic Institute. All rights reserved.
  
  The LICENSE-SCOREC file included with this distribution describes the terms
  of the SCOREC Non-Commercial License this program is distributed under.
 
*******************************************************************************/
#ifndef MESHADAPT_CURVEFACE_H
#define MESHADAPT_CURVEFACE_H

#include "CMAFwd.h"
#include <iostream>
#include "CrvEnt.h"
#include "HausdorffDistance.h"
#include "pumi_mesh.h"

class EdgeCtrlPt {
  public:
    int edge_id;
    Point3d ctrl_pt1;
    Point3d ctrl_pt2;
};

class CrvFace : public CrvEnt {
 public:
  CrvFace(pMeshEnt in_face);

  CrvFace(VtxPtrVec in_vert_vec);

  virtual ~CrvFace();

  /* common interface functions */

  int display(std::ostream& file, int in_sample_pts);

  int v_ent_type() const;

  double interp_error();

  void dxi_deta(const Point2d in_eta, Mat2x2 & out_dxi_deta);


  void eval_deriv1_by_eta(const Point2d in_eta,
                          Point3d & out_dxyz_deta1,
                          Point3d & out_dxyz_deta2);

  /* pure virtual members */

  virtual int eval(double in_u, double in_v, double * xyz) = 0; 

  virtual int eval_deriv1(double in_xi_1,
                          double in_xi_2,
                          Point3d & dxyz_dxi1,
                          Point3d & dxyz_dxi2) = 0;
 protected:
  virtual void v_eval_by_xi (Point3d in, Point3d & out);

  virtual void v_eval_by_eta(Point3d in, Point3d & out);

  virtual void v_eval_by_coll_eta(Point3d in, Point3d & out);

  virtual void v_diff_by_xi(Point3d in, Mat3x3 & out);
  virtual void v_diff_by_xi(Point3d in, int j, Point3d & out);
  virtual void v_diff_by_eta(Point3d in, Mat3x3 & out);
  virtual void v_diff_by_eta(Point3d in, int j, Point3d & out); 
  virtual int v_get_exp_dim() {
    return 2;
  }

  CrvEdgePtrVec m_crvedges;

  pTriGeom m_geom;
};
#endif//MESHADAPT_CURVEFACE_H