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/*
 * (C) Copyright 1996-2016 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

/*! \file PaperPoint.h
    \brief Definition of Point (x, y, z, v).
    
    Magics Team - ECMWF 2004
    
    Started: Jan 2004
    
    Changes:
    
*/
#ifndef PaperPoint_H
#define PaperPoint_H

#include "magics.h"



namespace magics {


class PaperPoint  {

public:
	PaperPoint(double x, double y, double value = 0, bool missing = false, bool border=false, int range = 0, const string& name = "") :
		x_(x), y_(y), value_(value), range_(range), name_(name), high_(false), low_(false),
		missing_(missing), border_(border) {}
	//~PaperPoint() {}
	PaperPoint() : x_(0), y_(0), value_(0), name_(""), high_(false), low_(false),
		missing_(false), border_(false) {}
	
	void y(double y) { y_ = y; }
	void x(double x) { x_ = x; }
	
    bool operator <(const PaperPoint& other) const
    {
    	if ( same(y_, other.y_)) return ( x_ < other.x_ );
    	return  ( y_ < other.y_ );

    }
    
	inline double y() const     { return y_; }
	inline double x() const     { return x_; }
	inline double value() const { return value_; }
	inline string name() const  { return name_; }
	inline int range() const { return range_; }
	
	void flagMissing()          { missing_ = true; }
	void flagBorder()          { border_ = true; }
	bool missing() const        { return missing_; }
	bool border() const        { return border_; }
	bool ignore() const          { return missing_ || border_; }
	
	bool operator==(const PaperPoint& other) const
	{
		return (  same(x_, other.x()) && same(y_, other.y()) );
	}

	double x_;
	double y_;
	double value_;
	int       range_;
	string name_;

	bool in(double left, double right, double bottom, double top) const
	{
		if (y_ > top)
			return false;
		if (y_ < bottom)
			return false;
		if (x_ < left)
			return false;
		if (x_ > right)
			return false;
		return true;
	}
	void high(bool high) { high_ = high; }
	void low(bool low)   { low_ = low; }
	bool high() const { return high_; }
	bool low() const { return low_; }
	double distance(const PaperPoint& other) const;

protected:
    bool high_;
	bool low_;
	bool missing_;
	bool border_;
	
	void print(ostream& out) const
	{ 
		out << "PaperPoint[";
		out << x_ << "(x), ";
		out << y_ << "(y)]";
	}

private:
	
// -- Friends
	friend ostream& operator<<(ostream& s,const PaperPoint& p)
		{ p.print(s); return s; }
};


}

#endif