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GPXSee/src/map/projection.h
2018-04-16 20:26:10 +02:00

106 lines
3.2 KiB
C++

#ifndef PROJECTION_H
#define PROJECTION_H
#include <QDebug>
#include "common/coordinates.h"
#include "pointd.h"
#include "linearunits.h"
#include "coordinatesystem.h"
class GCS;
class PCS;
class CT;
class AngularUnits;
class Projection {
public:
class Setup {
public:
Setup() : _latitudeOrigin(NAN), _longitudeOrigin(NAN), _scale(NAN),
_falseEasting(NAN), _falseNorthing(NAN), _standardParallel1(NAN),
_standardParallel2(NAN) {}
Setup(double latitudeOrigin, double longitudeOrigin, double scale,
double falseEasting, double falseNorthing, double standardParallel1,
double standardParallel2) : _latitudeOrigin(latitudeOrigin),
_longitudeOrigin(longitudeOrigin), _scale(scale),
_falseEasting(falseEasting), _falseNorthing(falseNorthing),
_standardParallel1(standardParallel1),
_standardParallel2(standardParallel2) {}
double latitudeOrigin() const {return _latitudeOrigin;}
double longitudeOrigin() const {return _longitudeOrigin;}
double scale() const {return _scale;}
double falseEasting() const {return _falseEasting;}
double falseNorthing() const {return _falseNorthing;}
double standardParallel1() const {return _standardParallel1;}
double standardParallel2() const {return _standardParallel2;}
void setLatitudeOrigin(double val) {_latitudeOrigin = val;}
void setLongitudeOrigin(double val) {_longitudeOrigin = val;}
void setScale(double val) {_scale = val;}
void setFalseEasting(double val) {_falseEasting = val;}
void setFalseNorthing(double val) {_falseNorthing = val;}
void setStandardParallel1(double val) {_standardParallel1 = val;}
void setStandardParallel2(double val) {_standardParallel2 = val;}
bool isNull() const {return std::isnan(_latitudeOrigin)
&& std::isnan(_longitudeOrigin) && std::isnan(_scale)
&& std::isnan(_falseEasting) && std::isnan(_falseNorthing)
&& std::isnan(_standardParallel1) && std::isnan(_standardParallel2);}
private:
double _latitudeOrigin;
double _longitudeOrigin;
double _scale;
double _falseEasting;
double _falseNorthing;
double _standardParallel1;
double _standardParallel2;
};
class Method {
public:
Method() : _id(0) {}
Method(int id);
int id() const {return _id;}
bool isNull() const {return (_id == 0);}
bool isValid() const {return !isNull();}
private:
int _id;
};
Projection() : _gcs(0), _ct(0), _geographic(false) {}
Projection(const Projection &p);
Projection(const PCS *pcs);
Projection(const GCS *gcs, const CoordinateSystem &cs
= CoordinateSystem(CoordinateSystem::YX));
~Projection();
Projection &operator=(const Projection &p);
bool isNull() const {return (_gcs == 0 && _ct == 0 && _units.isNull());}
bool isValid() const {return !(_gcs == 0 || _ct == 0 || _units.isNull());}
bool isGeographic() const {return _geographic;}
PointD ll2xy(const Coordinates &c) const;
Coordinates xy2ll(const PointD &p) const;
const LinearUnits &units() const {return _units;}
const CoordinateSystem &coordinateSystem() const {return _cs;}
private:
const GCS *_gcs;
const CT *_ct;
LinearUnits _units;
CoordinateSystem _cs;
bool _geographic;
};
#ifndef QT_NO_DEBUG
QDebug operator<<(QDebug dbg, const Projection::Setup &setup);
QDebug operator<<(QDebug dbg, const Projection::Method &method);
#endif // QT_NO_DEBUG
#endif // PROJECTION_H