diff --git a/src/data/gpsdumpparser.cpp b/src/data/gpsdumpparser.cpp
index c5545c94..a6283d12 100644
--- a/src/data/gpsdumpparser.cpp
+++ b/src/data/gpsdumpparser.cpp
@@ -2,6 +2,7 @@
 #include "map/pcs.h"
 #include "map/gcs.h"
 #include "map/utm.h"
+#include "map/projection.h"
 #include "gpsdumpparser.h"
 
 static double dms2dd(const QStringList &dms)
diff --git a/src/map/bsbmap.cpp b/src/map/bsbmap.cpp
index eeb44742..be72de54 100644
--- a/src/map/bsbmap.cpp
+++ b/src/map/bsbmap.cpp
@@ -303,20 +303,20 @@ bool BSBMap::createProjection(const QString &datum, const QString &proj,
 	}
 
 	if (!proj.compare("MERCATOR", Qt::CaseInsensitive)) {
-		Projection::Setup setup(0, c.lon(), NAN, 0, 0, NAN, NAN);
+		Conversion::Setup setup(0, c.lon(), NAN, 0, 0, NAN, NAN);
 		pcs = PCS(gcs, Conversion(9804, setup, 9001));
 	} else if (!proj.compare("TRANSVERSE MERCATOR", Qt::CaseInsensitive)) {
-		Projection::Setup setup(0, params[1], params[2], 0, 0, NAN, NAN);
+		Conversion::Setup setup(0, params[1], params[2], 0, 0, NAN, NAN);
 		pcs = PCS(gcs, Conversion(9807, setup, 9001));
 	} else if (!proj.compare("UNIVERSAL TRANSVERSE MERCATOR",
 	  Qt::CaseInsensitive)) {
-		Projection::Setup setup(0, params[0], 0.9996, 500000, 0, NAN, NAN);
+		Conversion::Setup setup(0, params[0], 0.9996, 500000, 0, NAN, NAN);
 		pcs = PCS(gcs, Conversion(9807, setup, 9001));
 	} else if (!proj.compare("LAMBERT CONFORMAL CONIC", Qt::CaseInsensitive)) {
-		Projection::Setup setup(0, params[0], NAN, 0, 0, params[2], params[3]);
+		Conversion::Setup setup(0, params[0], NAN, 0, 0, params[2], params[3]);
 		pcs = PCS(gcs, Conversion(9802, setup, 9001));
 	} else if (!proj.compare("POLYCONIC", Qt::CaseInsensitive)) {
-		Projection::Setup setup(0, params[0], NAN, 0, 0, NAN, NAN);
+		Conversion::Setup setup(0, params[0], NAN, 0, 0, NAN, NAN);
 		pcs = PCS(gcs, Conversion(9818, setup, 9001));
 	} else {
 		_errorString = proj + ": Unknown/missing projection";
diff --git a/src/map/conversion.cpp b/src/map/conversion.cpp
index ce177c22..02e4e39b 100644
--- a/src/map/conversion.cpp
+++ b/src/map/conversion.cpp
@@ -1,71 +1,72 @@
 #include <QFile>
 #include "common/csv.h"
+#include "angularunits.h"
 #include "conversion.h"
 
-static bool parameter(int key, double val, int units, Projection::Setup &setup)
+static bool parameter(int key, double val, int units, Conversion::Setup &setup)
 {
 	switch (key) {
-	case 8801:
-	case 8811:
-	case 8821:
-	case 8832:
-	{AngularUnits au(units);
-		if (au.isNull())
+		case 8801:
+		case 8811:
+		case 8821:
+		case 8832:
+			{AngularUnits au(units);
+			if (au.isNull())
+				return false;
+			setup.setLatitudeOrigin(au.toDegrees(val));}
+			return true;
+		case 8802:
+		case 8812:
+		case 8822:
+		case 8833:
+			{AngularUnits au(units);
+			if (au.isNull())
+				return false;
+			setup.setLongitudeOrigin(au.toDegrees(val));}
+			return true;
+		case 8805:
+		case 8815:
+		case 8819:
+			setup.setScale(val);
+			return true;
+		case 8806:
+		case 8816:
+		case 8826:
+			{LinearUnits lu(units);
+			if (lu.isNull())
+				return false;
+			setup.setFalseEasting(lu.toMeters(val));}
+			return true;
+		case 8807:
+		case 8817:
+		case 8827:
+			{LinearUnits lu(units);
+			if (lu.isNull())
+				return false;
+			setup.setFalseNorthing(lu.toMeters(val));}
+			return true;
+		case 8813:
+		case 8818:
+		case 8823:
+			{AngularUnits au(units);
+			if (au.isNull())
+				return false;
+			setup.setStandardParallel1(au.toDegrees(val));}
+			return true;
+		case 1036:
+		case 8814:
+		case 8824:
+			{AngularUnits au(units);
+			if (au.isNull())
+				return false;
+			setup.setStandardParallel2(au.toDegrees(val));}
+			return true;
+		default:
 			return false;
-		setup.setLatitudeOrigin(au.toDegrees(val));}
-		return true;
-	case 8802:
-	case 8812:
-	case 8822:
-	case 8833:
-	{AngularUnits au(units);
-		if (au.isNull())
-			return false;
-		setup.setLongitudeOrigin(au.toDegrees(val));}
-		return true;
-	case 8805:
-	case 8815:
-	case 8819:
-		setup.setScale(val);
-		return true;
-	case 8806:
-	case 8816:
-	case 8826:
-	{LinearUnits lu(units);
-		if (lu.isNull())
-			return false;
-		setup.setFalseEasting(lu.toMeters(val));}
-		return true;
-	case 8807:
-	case 8817:
-	case 8827:
-	{LinearUnits lu(units);
-		if (lu.isNull())
-			return false;
-		setup.setFalseNorthing(lu.toMeters(val));}
-		return true;
-	case 8813:
-	case 8818:
-	case 8823:
-	{AngularUnits au(units);
-		if (au.isNull())
-			return false;
-		setup.setStandardParallel1(au.toDegrees(val));}
-		return true;
-	case 1036:
-	case 8814:
-	case 8824:
-	{AngularUnits au(units);
-		if (au.isNull())
-			return false;
-		setup.setStandardParallel2(au.toDegrees(val));}
-		return true;
-	default:
-		return false;
 	}
 }
 
-static int projectionSetup(const QByteArrayList &list, Projection::Setup &setup)
+static int projectionSetup(const QByteArrayList &list, Conversion::Setup &setup)
 {
 	bool r1, r2, r3;
 
@@ -87,13 +88,36 @@ static int projectionSetup(const QByteArrayList &list, Projection::Setup &setup)
 	return 0;
 }
 
+Conversion::Method::Method(int id)
+{
+	switch (id) {
+		case 1024:
+		case 1041:
+		case 9801:
+		case 9802:
+		case 9804:
+		case 9807:
+		case 9809:
+		case 9815:
+		case 9818:
+		case 9819:
+		case 9820:
+		case 9822:
+		case 9829:
+			_id = id;
+			break;
+		default:
+			_id = 0;
+	}
+}
+
 QMap<int, Conversion::Entry> Conversion::_conversions = defaults();
 
 QMap<int, Conversion::Entry> Conversion::defaults()
 {
 	QMap<int, Conversion::Entry> map;
 	map.insert(3856, Entry("Popular Visualisation Pseudo-Mercator", 1024,
-	  Projection::Setup(), 9001, 4400));
+	  Setup(), 9001, 4400));
 	return map;
 }
 
@@ -159,7 +183,7 @@ bool Conversion::loadList(const QString &path)
 			  csv.line());
 			continue;
 		}
-		if (!Projection::Method(transform).isValid()) {
+		if (!Method(transform).isValid()) {
 			qWarning("%s:%d: Unknown coordinate transformation code",
 			  qPrintable(path), csv.line());
 			continue;
@@ -170,7 +194,7 @@ bool Conversion::loadList(const QString &path)
 			continue;
 		}
 
-		Projection::Setup setup;
+		Setup setup;
 		int pn = projectionSetup(entry, setup);
 		if (pn) {
 			qWarning("%s: %d: Invalid projection parameter #%d",
@@ -196,6 +220,21 @@ QList<KV<int, QString> > Conversion::list()
 }
 
 #ifndef QT_NO_DEBUG
+QDebug operator<<(QDebug dbg, const Conversion::Setup &setup)
+{
+	dbg.nospace() << "Setup(" << setup.latitudeOrigin() << ", "
+	  << setup.longitudeOrigin() << ", " << setup.scale() << ", "
+	  << setup.falseEasting() << ", " << setup.falseNorthing() << ", "
+	  << setup.standardParallel1() << ", " << setup.standardParallel2() << ")";
+	return dbg.space();
+}
+
+QDebug operator<<(QDebug dbg, const Conversion::Method &method)
+{
+	dbg.nospace() << "Method(" << method.id() << ")";
+	return dbg.space();
+}
+
 QDebug operator<<(QDebug dbg, const Conversion &conversion)
 {
 	dbg.nospace() << "Conversion(" << conversion.method() << ", "
diff --git a/src/map/conversion.h b/src/map/conversion.h
index 51057812..e5ff820a 100644
--- a/src/map/conversion.h
+++ b/src/map/conversion.h
@@ -1,18 +1,81 @@
 #ifndef CONVERSION_H
 #define CONVERSION_H
 
-#include "projection.h"
+#include <cmath>
+#include <QDebug>
+#include <common/kv.h>
+#include "coordinatesystem.h"
+#include "linearunits.h"
 
 class Conversion {
 public:
-	Conversion() {}
-	Conversion(const Projection::Method &method,
-	  const Projection::Setup &setup, const LinearUnits &units,
-	  const CoordinateSystem &cs = CoordinateSystem()) : _method(method),
-	  _setup(setup), _units(units), _cs(cs) {}
+	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) {}
 
-	const Projection::Method &method() const {return _method;}
-	const Projection::Setup &setup() const {return _setup;}
+		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;
+	};
+
+	Conversion() {}
+	Conversion(const Method &method, const Setup &setup,
+	  const LinearUnits &units, const CoordinateSystem &cs = CoordinateSystem())
+	  : _method(method), _setup(setup), _units(units), _cs(cs) {}
+
+	const Method &method() const {return _method;}
+	const Setup &setup() const {return _setup;}
 	const LinearUnits &units() const {return _units;}
 	const CoordinateSystem &cs() const {return _cs;}
 
@@ -34,30 +97,28 @@ public:
 private:
 	class Entry {
 	public:
-		Entry(const QString &name, const Projection::Method &method,
-			  const Projection::Setup &setup, const LinearUnits &units,
-			  const CoordinateSystem &cs = CoordinateSystem())
-			: _name(name), _method(method), _setup(setup), _units(units),
-			_cs(cs) {}
+		Entry(const QString &name, const Method &method, const Setup &setup,
+		  const LinearUnits &units, const CoordinateSystem &cs = CoordinateSystem())
+		  : _name(name), _method(method), _setup(setup), _units(units), _cs(cs) {}
 
 		const QString &name() const {return _name;}
-		const Projection::Method &method() const {return _method;}
-		const Projection::Setup &setup() const {return _setup;}
+		const Method &method() const {return _method;}
+		const Setup &setup() const {return _setup;}
 		const LinearUnits &units() const {return _units;}
 		const CoordinateSystem &cs() const {return _cs;}
 
 	private:
 		QString _name;
-		Projection::Method _method;
-		Projection::Setup _setup;
+		Method _method;
+		Setup _setup;
 		LinearUnits _units;
 		CoordinateSystem _cs;
 	};
 
 	static QMap<int, Entry> defaults();
 
-	Projection::Method _method;
-	Projection::Setup _setup;
+	Method _method;
+	Setup _setup;
 	LinearUnits _units;
 	CoordinateSystem _cs;
 
@@ -65,6 +126,8 @@ private:
 };
 
 #ifndef QT_NO_DEBUG
+QDebug operator<<(QDebug dbg, const Conversion::Setup &setup);
+QDebug operator<<(QDebug dbg, const Conversion::Method &method);
 QDebug operator<<(QDebug dbg, const Conversion &conversion);
 #endif // QT_NO_DEBUG
 
diff --git a/src/map/geotiff.cpp b/src/map/geotiff.cpp
index c6c44738..4aa1343c 100644
--- a/src/map/geotiff.cpp
+++ b/src/map/geotiff.cpp
@@ -321,38 +321,38 @@ GCS GeoTIFF::geographicCS(QMap<quint16, Value> &kv)
 	return gcs;
 }
 
-Projection::Method GeoTIFF::coordinateTransformation(QMap<quint16, Value> &kv)
+Conversion::Method GeoTIFF::coordinateTransformation(QMap<quint16, Value> &kv)
 {
 	if (!IS_SET(kv, ProjCoordTransGeoKey)) {
 		_errorString = "Missing coordinate transformation method";
-		return Projection::Method();
+		return Conversion::Method();
 	}
 
 	switch (kv.value(ProjCoordTransGeoKey).SHORT) {
 		case CT_TransverseMercator:
-			return Projection::Method(9807);
+			return Conversion::Method(9807);
 		case CT_ObliqueMercator:
-			return Projection::Method(9815);
+			return Conversion::Method(9815);
 		case CT_Mercator:
-			return Projection::Method(9804);
+			return Conversion::Method(9804);
 		case CT_LambertConfConic_2SP:
-			return Projection::Method(9802);
+			return Conversion::Method(9802);
 		case CT_LambertConfConic_1SP:
-			return Projection::Method(9801);
+			return Conversion::Method(9801);
 		case CT_LambertAzimEqualArea:
-			return Projection::Method(9820);
+			return Conversion::Method(9820);
 		case CT_AlbersEqualArea:
-			return Projection::Method(9822);
+			return Conversion::Method(9822);
 		case CT_PolarStereographic:
-			return Projection::Method(9829);
+			return Conversion::Method(9829);
 		case CT_ObliqueStereographic:
-			return Projection::Method(9809);
+			return Conversion::Method(9809);
 		case CT_Polyconic:
-			return Projection::Method(9818);
+			return Conversion::Method(9818);
 		default:
 			_errorString = QString("%1: unknown coordinate transformation method")
 			  .arg(kv.value(ProjCoordTransGeoKey).SHORT);
-			return Projection::Method();
+			return Conversion::Method();
 	}
 }
 
@@ -383,7 +383,7 @@ bool GeoTIFF::projectedModel(QMap<quint16, Value> &kv)
 		GCS gcs(geographicCS(kv));
 		if (gcs.isNull())
 			return false;
-		Projection::Method method(coordinateTransformation(kv));
+		Conversion::Method method(coordinateTransformation(kv));
 		if (method.isNull())
 			return false;
 
@@ -452,7 +452,7 @@ bool GeoTIFF::projectedModel(QMap<quint16, Value> &kv)
 		else
 			fe = NAN;
 
-		Projection::Setup setup(lat0, lon0, scale, fe, fn, sp1, sp2);
+		Conversion::Setup setup(lat0, lon0, scale, fe, fn, sp1, sp2);
 		_projection = Projection(PCS(gcs, Conversion(method, setup, lu)));
 	}
 
diff --git a/src/map/geotiff.h b/src/map/geotiff.h
index ed1e510b..494ef876 100644
--- a/src/map/geotiff.h
+++ b/src/map/geotiff.h
@@ -5,6 +5,7 @@
 #include <QList>
 #include "transform.h"
 #include "projection.h"
+#include "conversion.h"
 
 class TIFFFile;
 class GCS;
@@ -49,7 +50,7 @@ private:
 	  double &val) const;
 
 	GCS geographicCS(QMap<quint16, Value> &kv);
-	Projection::Method coordinateTransformation(QMap<quint16, Value> &kv);
+	Conversion::Method coordinateTransformation(QMap<quint16, Value> &kv);
 	bool geographicModel(QMap<quint16, Value> &kv);
 	bool projectedModel(QMap<quint16, Value> &kv);
 
diff --git a/src/map/mapfile.cpp b/src/map/mapfile.cpp
index d1be7f55..58ddd708 100644
--- a/src/map/mapfile.cpp
+++ b/src/map/mapfile.cpp
@@ -17,7 +17,7 @@ static double parameter(const QString &str, bool *res, double dflt = 0.0)
 }
 
 int MapFile::parse(QIODevice &device, QList<CalibrationPoint> &points,
-  QString &projection, Projection::Setup &setup, QString &datum)
+  QString &projection, Conversion::Setup &setup, QString &datum)
 {
 	bool res, utm = false;
 	int ln = 1, zone = 0;
@@ -123,7 +123,7 @@ int MapFile::parse(QIODevice &device, QList<CalibrationPoint> &points,
 					setup = UTM::setup(zone);
 				else {
 					bool r[8];
-					setup = Projection::Setup(
+					setup = Conversion::Setup(
 					  parameter(list[1], &r[1]), parameter(list[2], &r[2]),
 					  parameter(list[3], &r[3], 1.0), parameter(list[4], &r[4]),
 					  parameter(list[5], &r[5]), parameter(list[6], &r[6]),
@@ -143,7 +143,7 @@ int MapFile::parse(QIODevice &device, QList<CalibrationPoint> &points,
 }
 
 bool MapFile::parseMapFile(QIODevice &device, QList<CalibrationPoint> &points,
-  QString &projection, Projection::Setup &setup, QString &datum)
+  QString &projection, Conversion::Setup &setup, QString &datum)
 {
 	int el;
 
@@ -161,7 +161,7 @@ bool MapFile::parseMapFile(QIODevice &device, QList<CalibrationPoint> &points,
 }
 
 bool MapFile::createProjection(const QString &datum, const QString &name,
-  const Projection::Setup &setup)
+  const Conversion::Setup &setup)
 {
 	PCS pcs;
 
@@ -188,37 +188,37 @@ bool MapFile::createProjection(const QString &datum, const QString &name,
 	else if (name == "Polyconic (American)")
 		pcs = PCS(gcs, Conversion(9818, setup, 9001));
 	else if (name == "(NZTM2) New Zealand TM 2000")
-		pcs = PCS(gcs, Conversion(9807, Projection::Setup(0, 173.0, 0.9996,
+		pcs = PCS(gcs, Conversion(9807, Conversion::Setup(0, 173.0, 0.9996,
 		  1600000, 10000000, NAN, NAN), 9001));
 	else if (name == "(BNG) British National Grid")
-		pcs = PCS(gcs, Conversion(9807, Projection::Setup(49, -2, 0.999601,
+		pcs = PCS(gcs, Conversion(9807, Conversion::Setup(49, -2, 0.999601,
 		  400000, -100000, NAN, NAN), 9001));
 	else if (name == "(IG) Irish Grid")
-		pcs = PCS(gcs, Conversion(9807, Projection::Setup(53.5, -8, 1.000035,
+		pcs = PCS(gcs, Conversion(9807, Conversion::Setup(53.5, -8, 1.000035,
 		  200000, 250000, NAN, NAN), 9001));
 	else if (name == "(SG) Swedish Grid")
-		pcs = PCS(gcs, Conversion(9807, Projection::Setup(0, 15.808278, 1,
+		pcs = PCS(gcs, Conversion(9807, Conversion::Setup(0, 15.808278, 1,
 		  1500000, 0, NAN, NAN), 9001));
 	else if (name == "(I) France Zone I")
-		pcs = PCS(gcs, Conversion(9802, Projection::Setup(49.5, 2.337229, NAN,
+		pcs = PCS(gcs, Conversion(9802, Conversion::Setup(49.5, 2.337229, NAN,
 		  600000, 1200000, 48.598523, 50.395912), 9001));
 	else if (name == "(II) France Zone II")
-		pcs = PCS(gcs, Conversion(9802, Projection::Setup(46.8, 2.337229, NAN,
+		pcs = PCS(gcs, Conversion(9802, Conversion::Setup(46.8, 2.337229, NAN,
 		  600000, 2200000, 45.898919, 47.696014), 9001));
 	else if (name == "(III) France Zone III")
-		pcs = PCS(gcs, Conversion(9802, Projection::Setup(44.1, 2.337229, NAN,
+		pcs = PCS(gcs, Conversion(9802, Conversion::Setup(44.1, 2.337229, NAN,
 		  600000, 3200000, 43.199291, 44.996094), 9001));
 	else if (name == "(IV) France Zone IV")
-		pcs = PCS(gcs, Conversion(9802, Projection::Setup(42.165, 2.337229, NAN,
+		pcs = PCS(gcs, Conversion(9802, Conversion::Setup(42.165, 2.337229, NAN,
 		  234.358, 4185861.369, 41.560388, 42.767663), 9001));
 	else if (name == "(VICGRID) Victoria Australia")
-		pcs = PCS(gcs, Conversion(9802, Projection::Setup(-37, 145, NAN,
+		pcs = PCS(gcs, Conversion(9802, Conversion::Setup(-37, 145, NAN,
 		  2500000, 4500000, -36, -38), 9001));
 	else if (name == "(VG94) VICGRID94 Victoria Australia")
-		pcs = PCS(gcs, Conversion(9802, Projection::Setup(-37, 145, NAN,
+		pcs = PCS(gcs, Conversion(9802, Conversion::Setup(-37, 145, NAN,
 		  2500000, 2500000, -36, -38), 9001));
 	else if (name == "(SUI) Swiss Grid")
-		pcs = PCS(gcs, Conversion(9815, Projection::Setup(46.570866, 7.26225,
+		pcs = PCS(gcs, Conversion(9815, Conversion::Setup(46.570866, 7.26225,
 		  1.0, 600000, 200000, 90.0, 90.0), 9001));
 	else {
 		_errorString = QString("%1: Unknown map projection").arg(name);
@@ -250,7 +250,7 @@ MapFile::MapFile(QIODevice &file)
 {
 	QList<CalibrationPoint> points;
 	QString ct, datum;
-	Projection::Setup setup;
+	Conversion::Setup setup;
 
 	if (!parseMapFile(file, points, ct, setup, datum))
 		return;
diff --git a/src/map/mapfile.h b/src/map/mapfile.h
index 53d9c257..d7ccdb79 100644
--- a/src/map/mapfile.h
+++ b/src/map/mapfile.h
@@ -3,6 +3,7 @@
 
 #include "transform.h"
 #include "projection.h"
+#include "conversion.h"
 #include "calibrationpoint.h"
 
 class QIODevice;
@@ -26,11 +27,11 @@ public:
 
 private:
 	int parse(QIODevice &device, QList<CalibrationPoint> &points,
-	  QString &projection, Projection::Setup &setup, QString &datum);
+	  QString &projection, Conversion::Setup &setup, QString &datum);
 	bool parseMapFile(QIODevice &device, QList<CalibrationPoint> &points,
-	  QString &projection, Projection::Setup &setup, QString &datum);
+	  QString &projection, Conversion::Setup &setup, QString &datum);
 	bool createProjection(const QString &datum, const QString &projection,
-	  const Projection::Setup &setup);
+	  const Conversion::Setup &setup);
 	bool computeTransformation(const QList<CalibrationPoint> &points);
 
 	QString _name;
diff --git a/src/map/oruxmap.cpp b/src/map/oruxmap.cpp
index bb0ffdca..0ed99c8c 100644
--- a/src/map/oruxmap.cpp
+++ b/src/map/oruxmap.cpp
@@ -75,93 +75,93 @@ static PointD corner2point(const QString &name, const QSize &size)
 		return PointD();
 }
 
-static Projection::Setup lcc2setup(const QStringList &list)
+static Conversion::Setup lcc2setup(const QStringList &list)
 {
 	double params[6];
 	bool ok;
 
 	if (list.size() < 7)
-		return Projection::Setup();
+		return Conversion::Setup();
 	for (int i = 1; i < 7; i++) {
 		params[i - 1] = list.at(i).toDouble(&ok);
 		if (!ok)
-			return Projection::Setup();
+			return Conversion::Setup();
 	}
 
-	return Projection::Setup(params[0], params[1], NAN, params[4],
+	return Conversion::Setup(params[0], params[1], NAN, params[4],
 	  params[5], params[2], params[3]);
 }
 
-static Projection::Setup laea2setup(const QStringList &list)
+static Conversion::Setup laea2setup(const QStringList &list)
 {
 	double params[2];
 	bool ok;
 
 	if (list.size() < 3)
-		return Projection::Setup();
+		return Conversion::Setup();
 	for (int i = 1; i < 3; i++) {
 		params[i - 1] = list.at(i).toDouble(&ok);
 		if (!ok)
-			return Projection::Setup();
+			return Conversion::Setup();
 	}
 
-	return Projection::Setup(params[1], params[0], NAN, 0, 0, NAN, NAN);
+	return Conversion::Setup(params[1], params[0], NAN, 0, 0, NAN, NAN);
 }
 
-static Projection::Setup polyconic2setup(const QStringList &list)
+static Conversion::Setup polyconic2setup(const QStringList &list)
 {
 	double params[3];
 	bool ok;
 
 	if (list.size() < 4)
-		return Projection::Setup();
+		return Conversion::Setup();
 	for (int i = 1; i < 4; i++) {
 		params[i - 1] = list.at(i).toDouble(&ok);
 		if (!ok)
-			return Projection::Setup();
+			return Conversion::Setup();
 	}
 
-	return Projection::Setup(NAN, params[0], NAN, params[1], params[2], NAN,
+	return Conversion::Setup(NAN, params[0], NAN, params[1], params[2], NAN,
 	  NAN);
 }
 
-static Projection::Setup tm2setup(const QStringList &list)
+static Conversion::Setup tm2setup(const QStringList &list)
 {
 	double params[5];
 	bool ok;
 
 	if (list.size() < 6)
-		return Projection::Setup();
+		return Conversion::Setup();
 	for (int i = 1; i < 6; i++) {
 		params[i - 1] = list.at(i).toDouble(&ok);
 		if (!ok)
-			return Projection::Setup();
+			return Conversion::Setup();
 	}
 
-	return Projection::Setup(params[1], params[0], params[2], params[3],
+	return Conversion::Setup(params[1], params[0], params[2], params[3],
 	  params[4], NAN, NAN);
 }
 
-static Projection::Setup utm2setup(const QStringList &list)
+static Conversion::Setup utm2setup(const QStringList &list)
 {
 	bool ok;
 	if (list.size() < 2)
-		return Projection::Setup();
+		return Conversion::Setup();
 	int zone = list.at(1).toInt(&ok);
-	return ok ? UTM::setup(zone) : Projection::Setup();
+	return ok ? UTM::setup(zone) : Conversion::Setup();
 }
 
-static Projection::Setup mercator2setup(const QStringList &list)
+static Conversion::Setup mercator2setup(const QStringList &list)
 {
 	double lon;
 	bool ok;
 
 	if (list.size() < 2)
-		return Projection::Setup(0, 0, NAN, 0, 0, NAN, NAN);
+		return Conversion::Setup(0, 0, NAN, 0, 0, NAN, NAN);
 	lon = list.at(1).toDouble(&ok);
 
-	return ok ? Projection::Setup(0, lon, NAN, 0, 0, NAN, NAN)
-	  : Projection::Setup();
+	return ok ? Conversion::Setup(0, lon, NAN, 0, 0, NAN, NAN)
+	  : Conversion::Setup();
 }
 
 static GCS createGCS(const QString &datum)
@@ -180,7 +180,7 @@ static Projection createProjection(const GCS &gcs, const QString &name)
 	else if (pl.first() == "UTM")
 		pcs = PCS(gcs, Conversion(9807, utm2setup(pl), 9001));
 	else if (pl.first() == "Mercator")
-		pcs = PCS(gcs, Conversion(1024, Projection::Setup(), 9001));
+		pcs = PCS(gcs, Conversion(1024, Conversion::Setup(), 9001));
 	else if (pl.first() == "Mercator Ellipsoidal")
 		pcs = PCS(gcs, Conversion(9804, mercator2setup(pl), 9001));
 	else if (pl.first() == "Transverse Mercator")
@@ -192,13 +192,13 @@ static Projection createProjection(const GCS &gcs, const QString &name)
 	else if (pl.first() == "Polyconic (American)")
 		pcs = PCS(gcs, Conversion(9818, polyconic2setup(pl), 9001));
 	else if (pl.first() == "(IG) Irish Grid")
-		pcs = PCS(gcs, Conversion(9807, Projection::Setup(53.5, -8, 1.000035,
+		pcs = PCS(gcs, Conversion(9807, Conversion::Setup(53.5, -8, 1.000035,
 		  200000, 250000, NAN, NAN), 9001));
 	else if (pl.first() == "(SUI) Swiss Grid")
-		pcs = PCS(gcs, Conversion(9815, Projection::Setup(46.570866, 7.26225,
+		pcs = PCS(gcs, Conversion(9815, Conversion::Setup(46.570866, 7.26225,
 		  1.0, 600000, 200000, 90.0, 90.0), 9001));
 	else if (pl.first() == "Rijksdriehoeksmeting")
-		pcs = PCS(gcs, Conversion(9809, Projection::Setup(52.1561605555556,
+		pcs = PCS(gcs, Conversion(9809, Conversion::Setup(52.1561605555556,
 		  5.38763888888889, 0.9999079, 155000, 463000, NAN, NAN), 9001));
 	else
 		return Projection();
diff --git a/src/map/prjfile.cpp b/src/map/prjfile.cpp
index db9a4b37..4b7b380c 100644
--- a/src/map/prjfile.cpp
+++ b/src/map/prjfile.cpp
@@ -4,7 +4,7 @@
 #include "pcs.h"
 #include "prjfile.h"
 
-static Projection::Method projectionMethod(const QString &name)
+static Conversion::Method projectionMethod(const QString &name)
 {
 	static const struct {
 		int id;
@@ -30,10 +30,10 @@ static Projection::Method projectionMethod(const QString &name)
 
 	qWarning("%s: unknown projection", qPrintable(name));
 
-	return Projection::Method();
+	return Conversion::Method();
 }
 
-static void setParameter(Projection::Setup *setup, const QString &name,
+static void setParameter(Conversion::Setup *setup, const QString &name,
   double val)
 {
 	// latitude origin
@@ -460,7 +460,7 @@ void PRJFile::primeMeridian(CTX &ctx, PrimeMeridian *pm, int *epsg)
 	*pm = PrimeMeridian(lon);
 }
 
-void PRJFile::parameter(CTX &ctx, Projection::Setup *setup)
+void PRJFile::parameter(CTX &ctx, Conversion::Setup *setup)
 {
 	QString name;
 
@@ -478,7 +478,7 @@ void PRJFile::parameter(CTX &ctx, Projection::Setup *setup)
 	}
 }
 
-void PRJFile::projection(CTX &ctx, Projection::Method *method)
+void PRJFile::projection(CTX &ctx, Conversion::Method *method)
 {
 	int epsg = -1;
 	QString proj;
@@ -490,7 +490,7 @@ void PRJFile::projection(CTX &ctx, Projection::Method *method)
 	optAuthority(ctx, &epsg);
 	compare(ctx, RBRK);
 
-	*method = (epsg > 0) ? Projection::Method(epsg) : projectionMethod(proj);
+	*method = (epsg > 0) ? Conversion::Method(epsg) : projectionMethod(proj);
 }
 
 void PRJFile::optProjectedCS2(CTX &ctx, int *epsg)
@@ -521,8 +521,8 @@ void PRJFile::projectedCS(CTX &ctx, PCS *pcs)
 	int epsg = -1;
 	GCS gcs;
 	LinearUnits lu;
-	Projection::Method method;
-	Projection::Setup setup;
+	Conversion::Method method;
+	Conversion::Setup setup;
 
 	compare(ctx, PROJCS);
 	compare(ctx, LBRK);
diff --git a/src/map/prjfile.h b/src/map/prjfile.h
index 4a117783..e9686c89 100644
--- a/src/map/prjfile.h
+++ b/src/map/prjfile.h
@@ -2,6 +2,7 @@
 #define PRJFILE_H
 
 #include <QFile>
+#include "conversion.h"
 #include "projection.h"
 
 class Datum;
@@ -57,8 +58,8 @@ private:
 	void geographicCS(CTX &ctx, GCS *gcs);
 	void projectedCS(CTX &ctx, PCS *pcs);
 	void compdCS(CTX &ctx);
-	void projection(CTX &ctx, Projection::Method *method);
-	void parameter(CTX &ctx, Projection::Setup *setup);
+	void projection(CTX &ctx, Conversion::Method *method);
+	void parameter(CTX &ctx, Conversion::Setup *setup);
 	void datum(CTX &ctx, Datum *dtm, int *epsg);
 	void verticalDatum(CTX &ctx);
 	void unit(CTX &ctx, double *val, int *epsg);
diff --git a/src/map/projection.cpp b/src/map/projection.cpp
index 1cdb0d5a..079083fd 100644
--- a/src/map/projection.cpp
+++ b/src/map/projection.cpp
@@ -9,40 +9,16 @@
 #include "proj/obliquestereographic.h"
 #include "proj/polyconic.h"
 #include "datum.h"
-#include "gcs.h"
 #include "pcs.h"
 #include "projection.h"
 
 
-Projection::Method::Method(int id)
-{
-	switch (id) {
-		case 1024:
-		case 1041:
-		case 9801:
-		case 9802:
-		case 9804:
-		case 9807:
-		case 9809:
-		case 9815:
-		case 9818:
-		case 9819:
-		case 9820:
-		case 9822:
-		case 9829:
-			_id = id;
-			break;
-		default:
-			_id = 0;
-	}
-}
-
 Projection::Projection(const PCS &pcs)
 	: _gcs(pcs.gcs()), _ct(0), _units(pcs.conversion().units()),
 	_cs(pcs.conversion().cs())
 {
 	const Ellipsoid &ellipsoid = _gcs.datum().ellipsoid();
-	const Projection::Setup &setup = pcs.conversion().setup();
+	const Conversion::Setup &setup = pcs.conversion().setup();
 
 	switch (pcs.conversion().method().id()) {
 		case 1024:
@@ -154,32 +130,3 @@ bool Projection::operator==(const Projection &p) const
 	return (*_ct == *p._ct && _gcs == p._gcs && _units == p._units
 	  && _cs == p._cs);
 }
-
-PointD Projection::ll2xy(const Coordinates &c) const
-{
-	Q_ASSERT(isValid());
-	return _units.fromMeters(_ct->ll2xy(_gcs.fromWGS84(c)));
-}
-
-Coordinates Projection::xy2ll(const PointD &p) const
-{
-	Q_ASSERT(isValid());
-	return _gcs.toWGS84(_ct->xy2ll(_units.toMeters(p)));
-}
-
-#ifndef QT_NO_DEBUG
-QDebug operator<<(QDebug dbg, const Projection::Setup &setup)
-{
-	dbg.nospace() << "Setup(" << setup.latitudeOrigin() << ", "
-	  << setup.longitudeOrigin() << ", " << setup.scale() << ", "
-	  << setup.falseEasting() << ", " << setup.falseNorthing() << ", "
-	  << setup.standardParallel1() << ", " << setup.standardParallel2() << ")";
-	return dbg.space();
-}
-
-QDebug operator<<(QDebug dbg, const Projection::Method &method)
-{
-	dbg.nospace() << "Method(" << method.id() << ")";
-	return dbg.space();
-}
-#endif // QT_NO_DEBUG
diff --git a/src/map/projection.h b/src/map/projection.h
index f5ad35ce..0f4c696e 100644
--- a/src/map/projection.h
+++ b/src/map/projection.h
@@ -1,76 +1,19 @@
 #ifndef PROJECTION_H
 #define PROJECTION_H
 
-#include <QDebug>
+#include <QtGlobal>
 #include "common/coordinates.h"
 #include "pointd.h"
 #include "linearunits.h"
 #include "coordinatesystem.h"
 #include "gcs.h"
+#include "ct.h"
 #include "proj/latlon.h"
 
 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() : _ct(0) {}
 	Projection(const Projection &p);
 	Projection(const PCS &pcs);
@@ -87,8 +30,8 @@ public:
 	}
 	bool isValid() const
 	{
-		// We do not check the CoordinateSystem here as it is not always defined
-		// and except of WMTS/WMS it is not needed.
+		/* We do not check the CoordinateSystem here as it is not always defined
+		   and except of WMTS/WMS it is not needed. */
 		return (_gcs.isValid() && _ct != 0 && _units.isValid());
 	}
 	bool isGeographic() const
@@ -96,8 +39,16 @@ public:
 		return (dynamic_cast<const LatLon*>(_ct) != 0);
 	}
 
-	PointD ll2xy(const Coordinates &c) const;
-	Coordinates xy2ll(const PointD &p) const;
+	PointD ll2xy(const Coordinates &c) const
+	{
+		Q_ASSERT(isValid());
+		return _units.fromMeters(_ct->ll2xy(_gcs.fromWGS84(c)));
+	}
+	Coordinates xy2ll(const PointD &p) const
+	{
+		Q_ASSERT(isValid());
+		return _gcs.toWGS84(_ct->xy2ll(_units.toMeters(p)));
+	}
 
 	const LinearUnits &units() const {return _units;}
 	const CoordinateSystem &coordinateSystem() const {return _cs;}
@@ -109,9 +60,4 @@ private:
 	CoordinateSystem _cs;
 };
 
-#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
diff --git a/src/map/rmap.cpp b/src/map/rmap.cpp
index 86a12b26..90380df6 100644
--- a/src/map/rmap.cpp
+++ b/src/map/rmap.cpp
@@ -58,37 +58,37 @@ static Projection parseProjection(const QString &str, const GCS &gcs)
 		case 1: // LatLon
 			return Projection(gcs);
 		case 2: // Mercator
-			return Projection(PCS(gcs, Conversion(1024, Projection::Setup(),
+			return Projection(PCS(gcs, Conversion(1024, Conversion::Setup(),
 			  9001)));
 		case 3: // Transversal Mercator
 			if (fields.size() < 7)
 				return Projection();
-			return Projection(PCS(gcs, Conversion(9807, Projection::Setup(
+			return Projection(PCS(gcs, Conversion(9807, Conversion::Setup(
 			  fields.at(3).toDouble(), fields.at(2).toDouble(),
 			  fields.at(6).toDouble(), fields.at(5).toDouble(),
 			  fields.at(4).toDouble(), NAN, NAN), 9001)));
 		case 4: // Lambert 2SP
 			if (fields.size() < 8)
 				return Projection();
-			return Projection(PCS(gcs, Conversion(9802, Projection::Setup(
+			return Projection(PCS(gcs, Conversion(9802, Conversion::Setup(
 			  fields.at(4).toDouble(), fields.at(5).toDouble(), NAN,
 			  fields.at(6).toDouble(), fields.at(7).toDouble(),
 			  fields.at(3).toDouble(), fields.at(2).toDouble()), 9001)));
 		case 6: // BGN (British National Grid)
-			return Projection(PCS(gcs, Conversion(9807, Projection::Setup(49,
+			return Projection(PCS(gcs, Conversion(9807, Conversion::Setup(49,
 			  -2, 0.999601, 400000, -100000, NAN, NAN), 9001)));
 		case 12: // France Lambert II etendu
-			return Projection(PCS(gcs, Conversion(9801, Projection::Setup(52, 0,
+			return Projection(PCS(gcs, Conversion(9801, Conversion::Setup(52, 0,
 			  0.99987742, 600000, 2200000, NAN, NAN), 9001)));
 		case 14: // Swiss Grid
-			return Projection(PCS(gcs, Conversion(9815, Projection::Setup(
+			return Projection(PCS(gcs, Conversion(9815, Conversion::Setup(
 			  46.570866, 7.26225, 1.0, 600000, 200000, 90.0, 90.0), 9001)));
 		case 108: // Dutch RD grid
-			return Projection(PCS(gcs, Conversion(9809, Projection::Setup(
+			return Projection(PCS(gcs, Conversion(9809, Conversion::Setup(
 			  52.15616055555555, 5.38763888888889, 0.9999079, 155000, 463000,
 			  NAN, NAN), 9001)));
 		case 184: // Swedish Grid
-			return Projection(PCS(gcs, Conversion(9807, Projection::Setup(0,
+			return Projection(PCS(gcs, Conversion(9807, Conversion::Setup(0,
 			  15.808278, 1, 1500000, 0, NAN, NAN), 9001)));
 		default:
 			return Projection();
diff --git a/src/map/utm.cpp b/src/map/utm.cpp
index 4f72198f..d16098c4 100644
--- a/src/map/utm.cpp
+++ b/src/map/utm.cpp
@@ -1,9 +1,10 @@
+#include "common/coordinates.h"
 #include "ellipsoid.h"
 #include "utm.h"
 
-Projection::Setup UTM::setup(int zone)
+Conversion::Setup UTM::setup(int zone)
 {
-	return Projection::Setup(0, (qAbs(zone) - 1)*6 - 180 + 3, 0.9996, 500000,
+	return Conversion::Setup(0, (qAbs(zone) - 1)*6 - 180 + 3, 0.9996, 500000,
 	  zone < 0 ? 10000000 : 0, 0, 0);
 }
 
diff --git a/src/map/utm.h b/src/map/utm.h
index cb345431..98cf10e4 100644
--- a/src/map/utm.h
+++ b/src/map/utm.h
@@ -1,12 +1,14 @@
 #ifndef UTM_H
 #define UTM_H
 
-#include "projection.h"
+#include "conversion.h"
+
+class Coordinates;
 
 namespace UTM
 {
 	int zone(const Coordinates &c);
-	Projection::Setup setup(int zone);
+	Conversion::Setup setup(int zone);
 }
 
 #endif // UTM_H