element1D.hh

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#ifndef element1DLin_hh
#define element1DLin_hh
 
#include "element.hh"
#include "geometry/cell1D.hh"
 
namespace concepts {
  // forward declaration
  template<typename F>
  class ElementGraphics;
}
 
namespace linearFEM {
  // forward declaration
  class LineGraphics;
 
  // ****************************************************************** Line **
 
  class Line : public Element {
  public:
    Line(const concepts::Edge1d& cell, uint idx[]) :
      Element(2, idx), cell_(cell) {}
    Line(const concepts::Edge1d& cell, concepts::TColumn<Real>* T0,
       concepts::TColumn<Real>* T1 = 0) :
      Element(T0, T1), cell_(cell) {}
    virtual const concepts::Edge& support() const { return cell_.connector(); }
    virtual const concepts::Edge1d& cell() const { return cell_; }
    Real shapefct(const uint i, const Real xi) const;
    Real shapefctD(const uint i) const;
    virtual const concepts::ElementGraphics<Real>* graphics() const;
  protected:
    virtual std::ostream& info(std::ostream& os) const;
  private:
    const concepts::Edge1d& cell_;
    static std::unique_ptr<LineGraphics> graphics_;
  };
 
} // namespace linearFEM
 
#endif // element1DLin_hh