LRSplineFields2Dmx.h

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// $Id$
//==============================================================================
//==============================================================================
 
#ifndef _LRSPLINE_FIELDS_2D_MX_H
#define _LRSPLINE_FIELDS_2D_MX_H
 
#include "Fields.h"
#include <set>
 
class ASMu2Dmx;
 
namespace LR {
  class LRSplineSurface;
}
 
 
class LRSplineFields2Dmx : public Fields
{
public:
  LRSplineFields2Dmx(const ASMu2Dmx* patch, const RealArray& v,
                     char basis = 12, const char* name = nullptr);
  virtual ~LRSplineFields2Dmx() {}
 
  // Methods to evaluate the field
  //==============================
 
  bool valueNode(size_t node, Vector& vals) const;
 
  bool valueCoor(const Vec4& x, Vector& vals) const;
 
  bool valueFE(const ItgPoint& x, Vector& vals) const;
 
  bool gradFE(const ItgPoint& x, Matrix& grad) const;
 
  virtual bool hessianFE(const ItgPoint& x, Matrix3D& H) const;
 
protected:
  const ASMu2Dmx* surf; 
  std::set<int>  bases; 
};
 
#endif