#ifndef ArLinePV3_HH
#define ArLinePV3_HH
/////////////////////////////////////////////////////////////////////
//! file="amma/ArrayOf/ArLinPV3.hh"
//! lib=Magarr
//! userlevel=Normal
//! author="Radek Marik"
//! docentry="Containers.Arrays.1-D Arrays.Specialized Arrays"
//! rcsid="$Id: ArLinPV3.hh,v 1.7 1999/09/23 15:07:10 ees1cg Exp $"
//! date="06/08/95"

#include "amma/Array1d.hh"
#include "amma/Line3dPV.hh"

class istream;
class ostream;

//====================================================================
//======= Line3dPVArray1dC ===========================================
//====================================================================

//: 1 dimensional array of lines in 3D space
// The class Line3dPVArray1dC represents 1-dimensional array of 3-dimensional
// lines represented by one point and direction vector.

class Line3dPVArray1dC: public Array1dC<Line3dPVC>
{
  private:
    typedef Array1dC<Line3dPVC> Foo1T; // to help GNU C++ 2.6.0

  public:
    // ===============
    // == BIG OBJECT =
    // ===============

    typedef double RealT; // general real parameter. 

  public:
    inline Line3dPVArray1dC();
    // Empty array of lines.

    inline Line3dPVArray1dC(const SizeT n);
    // Creates an array of 'n' lines.
  
    Line3dPVArray1dC(const char * filename);
    // Creates an array of lines from the input file 'filename'.

    Line3dPVArray1dC(istream & s);
    // Creates an array of lines from the input stream s.

    inline Line3dPVArray1dC(const Array1dC<Line3dPVC> & lines);
    // Constructs an array of lines from the array (as a big object).
 
    inline Line3dPVArray1dC(const Line3dPVArray1dC & lines);
    // Another access to the array of lines.

    Point3dC Intersection() const;
    // Returns the point which has the smallest distance from the set
    // of line. The criterion is Sum(dist^2(point, line)) -> min.

    void SaveAsGF(char * filename) const;
    // The array of lines is saved into the file with the name 'filename'.
};

istream & operator>>(istream & s, Line3dPVArray1dC & lines);
// Reads the array of data from the input stream

ostream & operator<<(ostream & s, const Line3dPVArray1dC & lines);
// Sends the array of data into the output stream

inline 
Line3dPVArray1dC::Line3dPVArray1dC()
//==================================
: Array1dC<Line3dPVC>()
{}

inline 
Line3dPVArray1dC::Line3dPVArray1dC(const SizeT n)
//===============================================
: Array1dC<Line3dPVC>(n)
{}

inline 
Line3dPVArray1dC::Line3dPVArray1dC(const Array1dC<Line3dPVC> & lines)
//===================================================================
: Array1dC<Line3dPVC>(lines)
{}

inline 
Line3dPVArray1dC::Line3dPVArray1dC(const Line3dPVArray1dC & lines)
//================================================================
: Array1dC<Line3dPVC>(lines)
{}

#endif

// IAPS - Image analysis program system.
// End of include file ArLinePV3.hh