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133 lines
3.6 KiB
C++
133 lines
3.6 KiB
C++
#include "proj/mercator.h"
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#include "proj/webmercator.h"
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#include "proj/transversemercator.h"
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#include "proj/lambertconic.h"
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#include "proj/albersequal.h"
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#include "proj/lambertazimuthal.h"
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#include "proj/krovak.h"
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#include "proj/polarstereographic.h"
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#include "proj/obliquestereographic.h"
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#include "proj/polyconic.h"
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#include "datum.h"
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#include "pcs.h"
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#include "projection.h"
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Projection::Projection(const PCS &pcs)
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: _gcs(pcs.gcs()), _ct(0), _units(pcs.conversion().units()),
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_cs(pcs.conversion().cs())
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{
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const Ellipsoid &ellipsoid = _gcs.datum().ellipsoid();
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const Conversion::Setup &setup = pcs.conversion().setup();
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switch (pcs.conversion().method().id()) {
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case 1024:
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_ct = new WebMercator();
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break;
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case 1041:
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_ct = new KrovakNE(ellipsoid, setup.standardParallel1(),
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setup.standardParallel2(), setup.scale(), setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9801:
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case 9815: // Oblique mercator aproximation using LCC1
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_ct = new LambertConic1(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.scale(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9802:
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_ct = new LambertConic2(ellipsoid, setup.standardParallel1(),
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setup.standardParallel2(), setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9804:
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_ct = new Mercator(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9807:
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_ct = new TransverseMercator(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.scale(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9809:
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_ct = new ObliqueStereographic(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.scale(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9818:
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_ct = new Polyconic(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9819:
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_ct = new Krovak(ellipsoid, setup.standardParallel1(),
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setup.standardParallel2(), setup.scale(), setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9820:
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_ct = new LambertAzimuthal(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9822:
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_ct = new AlbersEqual(ellipsoid, setup.standardParallel1(),
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setup.standardParallel2(), setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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case 9829:
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_ct = new PolarStereographic(ellipsoid, setup.latitudeOrigin(),
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setup.longitudeOrigin(), setup.falseEasting(),
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setup.falseNorthing());
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break;
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default:
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_ct = 0;
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}
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}
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Projection::Projection(const GCS &gcs, const CoordinateSystem &cs)
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: _gcs(gcs), _units(LinearUnits(9001)), _cs(cs)
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{
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_ct = new LatLon(gcs.angularUnits());
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}
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Projection::Projection(const Projection &p)
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{
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_gcs = p._gcs;
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_units = p._units;
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_ct = p._ct ? p._ct->clone() : 0;
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_cs = p._cs;
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}
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Projection::~Projection()
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{
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delete _ct;
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}
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Projection &Projection::operator=(const Projection &p)
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{
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if (this != &p) {
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delete _ct;
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_gcs = p._gcs;
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_units = p._units;
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_ct = p._ct ? p._ct->clone() : 0;
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_cs = p._cs;
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}
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return *this;
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}
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bool Projection::operator==(const Projection &p) const
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{
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if (!isValid() || !p.isValid())
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return false;
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return (*_ct == *p._ct && _gcs == p._gcs && _units == p._units
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&& _cs == p._cs);
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}
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