diff --git a/gpxsee.pro b/gpxsee.pro
index e094c499..40b65ac6 100644
--- a/gpxsee.pro
+++ b/gpxsee.pro
@@ -94,7 +94,8 @@ HEADERS += src/config.h \
     src/datum.h \
     src/maplist.h \
     src/albersequal.h \
-    src/oddspinbox.h
+    src/oddspinbox.h \
+    src/rectc.h
 SOURCES += src/main.cpp \
     src/gui.cpp \
     src/poi.cpp \
@@ -162,7 +163,8 @@ SOURCES += src/main.cpp \
     src/datum.cpp \
     src/maplist.cpp \
     src/albersequal.cpp \
-    src/oddspinbox.cpp
+    src/oddspinbox.cpp \
+    src/rectc.cpp
 RESOURCES += gpxsee.qrc
 TRANSLATIONS = lang/gpxsee_cs.ts \
     lang/gpxsee_sv.ts \
diff --git a/src/atlas.cpp b/src/atlas.cpp
index b2848e1f..6611da0d 100644
--- a/src/atlas.cpp
+++ b/src/atlas.cpp
@@ -1,6 +1,7 @@
 #include <QDir>
 #include <QtAlgorithms>
 #include <QPainter>
+#include "rectc.h"
 #include "tar.h"
 #include "atlas.h"
 
@@ -198,7 +199,7 @@ qreal Atlas::zoom() const
 	return _zoom;
 }
 
-qreal Atlas::zoomFit(const QSize &size, const QRectF &br)
+qreal Atlas::zoomFit(const QSize &size, const RectC &br)
 {
 	_zoom = 0;
 
diff --git a/src/atlas.h b/src/atlas.h
index ac3ab464..ea52d85e 100644
--- a/src/atlas.h
+++ b/src/atlas.h
@@ -20,7 +20,7 @@ public:
 	qreal resolution(const QPointF &p) const;
 
 	qreal zoom() const;
-	qreal zoomFit(const QSize &size, const QRectF &br);
+	qreal zoomFit(const QSize &size, const RectC &br);
 	qreal zoomFit(qreal resolution, const Coordinates &c);
 	qreal zoomIn();
 	qreal zoomOut();
diff --git a/src/coordinates.cpp b/src/coordinates.cpp
index 436afea4..0cfab3e3 100644
--- a/src/coordinates.cpp
+++ b/src/coordinates.cpp
@@ -22,7 +22,7 @@ QDebug operator<<(QDebug dbg, const Coordinates &coordinates)
 	dbg.nospace() << "Coordinates(" << coordinates.lon() << ", "
 	  << coordinates.lat() << ")";
 
-	return dbg.space();
+	return dbg.maybeSpace();
 }
 
 QPair<Coordinates, Coordinates> Coordinates::boundingRect(qreal distance) const
diff --git a/src/coordinates.h b/src/coordinates.h
index 3a7db43e..7ea64c29 100644
--- a/src/coordinates.h
+++ b/src/coordinates.h
@@ -2,7 +2,7 @@
 #define COORDINATES_H
 
 #include <cmath>
-#include <QPointF>
+#include <QPair>
 #include <QDebug>
 
 class Coordinates
@@ -12,9 +12,6 @@ public:
 	Coordinates(const Coordinates &c) {_lon = c._lon; _lat = c._lat;}
 	Coordinates(qreal lon, qreal lat) {_lon = lon; _lat = lat;}
 
-	Coordinates(const QPointF &p) {_lon = p.x(), _lat = p.y();}
-	QPointF toPointF() const {return QPointF(_lon, _lat);}
-
 	qreal &rlon() {return _lon;}
 	qreal &rlat() {return _lat;}
 	void setLon(qreal lon) {_lon = lon;}
@@ -39,6 +36,7 @@ inline bool operator==(const Coordinates &c1, const Coordinates &c2)
   {return (c1.lat() == c2.lat() && c1.lon() == c2.lon());}
 inline bool operator!=(const Coordinates &c1, const Coordinates &c2)
   {return !(c1 == c2);}
+
 QDebug operator<<(QDebug dbg, const Coordinates &trackpoint);
 
 #endif // COORDINATES_H
diff --git a/src/emptymap.cpp b/src/emptymap.cpp
index 2fcf4ec4..329f5cab 100644
--- a/src/emptymap.cpp
+++ b/src/emptymap.cpp
@@ -1,5 +1,6 @@
 #include <QtGlobal>
 #include <QPainter>
+#include "rectc.h"
 #include "misc.h"
 #include "rd.h"
 #include "wgs84.h"
@@ -21,17 +22,14 @@ QRectF EmptyMap::bounds() const
 	return scaled(QRectF(QPointF(-180, -180), QSizeF(360, 360)), 1.0/_scale);
 }
 
-qreal EmptyMap::zoomFit(const QSize &size, const QRectF &br)
+qreal EmptyMap::zoomFit(const QSize &size, const RectC &br)
 {
 	if (br.isNull())
 		_scale = SCALE_MAX;
 	else {
-		Coordinates topLeft(br.topLeft());
-		Coordinates bottomRight(br.bottomRight());
-		QRectF tbr(Mercator().ll2xy(topLeft), Mercator().ll2xy(bottomRight));
-
+		QRectF tbr(Mercator().ll2xy(br.topLeft()),
+		  Mercator().ll2xy(br.bottomRight()));
 		QPointF sc(tbr.width() / size.width(), tbr.height() / size.height());
-
 		_scale = qMax(sc.x(), sc.y());
 	}
 
diff --git a/src/emptymap.h b/src/emptymap.h
index ddf644bd..65a0d905 100644
--- a/src/emptymap.h
+++ b/src/emptymap.h
@@ -16,7 +16,7 @@ public:
 	qreal resolution(const QPointF &p) const;
 
 	qreal zoom() const {return _scale;}
-	qreal zoomFit(const QSize &size, const QRectF &br);
+	qreal zoomFit(const QSize &size, const RectC &br);
 	qreal zoomFit(qreal resolution, const Coordinates &c);
 	qreal zoomIn();
 	qreal zoomOut();
diff --git a/src/latlon.h b/src/latlon.h
index 28202854..a99491cb 100644
--- a/src/latlon.h
+++ b/src/latlon.h
@@ -7,9 +7,9 @@ class LatLon : public Projection
 {
 public:
 	virtual QPointF ll2xy(const Coordinates &c) const
-	  {return c.toPointF();}
+	  {return QPointF(c.lon(), c.lat());}
 	virtual Coordinates xy2ll(const QPointF &p) const
-	  {return Coordinates(p);}
+	  {return Coordinates(p.x(), p.y());}
 };
 
 #endif // LATLON_H
diff --git a/src/map.h b/src/map.h
index 479b04d2..3945a5ad 100644
--- a/src/map.h
+++ b/src/map.h
@@ -7,6 +7,7 @@
 
 class QPainter;
 class Coordinates;
+class RectC;
 
 class Map : public QObject
 {
@@ -21,7 +22,7 @@ public:
 	virtual qreal resolution(const QPointF &p) const = 0;
 
 	virtual qreal zoom() const = 0;
-	virtual qreal zoomFit(const QSize &size, const QRectF &br) = 0;
+	virtual qreal zoomFit(const QSize &size, const RectC &br) = 0;
 	virtual qreal zoomFit(qreal resolution, const Coordinates &c) = 0;
 	virtual qreal zoomIn() = 0;
 	virtual qreal zoomOut() = 0;
diff --git a/src/offlinemap.h b/src/offlinemap.h
index 81b965b4..30f40ffa 100644
--- a/src/offlinemap.h
+++ b/src/offlinemap.h
@@ -27,7 +27,7 @@ public:
 	qreal resolution(const QPointF &) const {return _resolution;}
 
 	qreal zoom() const {return 0;}
-	qreal zoomFit(const QSize &, const QRectF &) {return 0;}
+	qreal zoomFit(const QSize &, const RectC &) {return 0;}
 	qreal zoomFit(qreal, const Coordinates &) {return 0;}
 	qreal zoomIn() {return 0;}
 	qreal zoomOut() {return 0;}
diff --git a/src/onlinemap.cpp b/src/onlinemap.cpp
index 173d3b62..762d8fe1 100644
--- a/src/onlinemap.cpp
+++ b/src/onlinemap.cpp
@@ -1,6 +1,7 @@
 #include <QFileInfo>
 #include <QDir>
 #include <QPainter>
+#include "rectc.h"
 #include "downloader.h"
 #include "config.h"
 #include "rd.h"
@@ -165,14 +166,13 @@ QRectF OnlineMap::bounds() const
 	  1.0/zoom2scale(_zoom));
 }
 
-qreal OnlineMap::zoomFit(const QSize &size, const QRectF &br)
+qreal OnlineMap::zoomFit(const QSize &size, const RectC &br)
 {
 	if (br.isNull())
 		_zoom = ZOOM_MAX;
 	else {
-		Coordinates topLeft(br.topLeft());
-		Coordinates bottomRight(br.bottomRight());
-		QRectF tbr(Mercator().ll2xy(topLeft), Mercator().ll2xy(bottomRight));
+		QRectF tbr(Mercator().ll2xy(br.topLeft()),
+		  Mercator().ll2xy(br.bottomRight()));
 		QPointF sc(tbr.width() / size.width(), tbr.height() / size.height());
 
 		_zoom = scale2zoom(qMax(sc.x(), sc.y()));
diff --git a/src/onlinemap.h b/src/onlinemap.h
index 6809fee7..5ddde8e9 100644
--- a/src/onlinemap.h
+++ b/src/onlinemap.h
@@ -19,7 +19,7 @@ public:
 	qreal resolution(const QPointF &p) const;
 
 	qreal zoom() const {return _zoom;}
-	qreal zoomFit(const QSize &size, const QRectF &br);
+	qreal zoomFit(const QSize &size, const RectC &br);
 	qreal zoomFit(qreal resolution, const Coordinates &c);
 	qreal zoomIn();
 	qreal zoomOut();
diff --git a/src/path.cpp b/src/path.cpp
index 8fb14ad7..957ca655 100644
--- a/src/path.cpp
+++ b/src/path.cpp
@@ -1,27 +1,15 @@
 #include "path.h"
 
-QRectF Path::boundingRect() const
+RectC Path::boundingRect() const
 {
 	if (size() < 2)
-		return QRectF();
+		return RectC();
 
-	QPointF topLeft(at(0).coordinates().lon(), at(0).coordinates().lat());
-	QPointF bottomRight(topLeft);
+	RectC ret(first().coordinates(), first().coordinates());
+	for (int i = 1; i < size(); i++)
+		ret.unite(at(i).coordinates());
 
-	for (int i = 1; i < size(); i++) {
-		qreal x = at(i).coordinates().lon();
-		qreal y = at(i).coordinates().lat();
-
-		if (x < topLeft.x())
-			topLeft.setX(x);
-		if (y < topLeft.y())
-			topLeft.setY(y);
-		if (x > bottomRight.x())
-			bottomRight.setX(x);
-		if (y > bottomRight.y())
-			bottomRight.setY(y);
-	}
-	return QRectF(topLeft, bottomRight);
+	return ret;
 }
 
 QDebug operator<<(QDebug dbg, const PathPoint &point)
diff --git a/src/path.h b/src/path.h
index b0cff53b..4e506f99 100644
--- a/src/path.h
+++ b/src/path.h
@@ -4,6 +4,7 @@
 #include <QVector>
 #include <QRectF>
 #include "coordinates.h"
+#include "rectc.h"
 
 class PathPoint
 {
@@ -28,7 +29,7 @@ QDebug operator<<(QDebug dbg, const PathPoint &point);
 class Path : public QVector<PathPoint>
 {
 public:
-	QRectF boundingRect() const;
+	RectC boundingRect() const;
 };
 
 #endif // PATH_H
diff --git a/src/pathview.cpp b/src/pathview.cpp
index 146b75e1..226eab8d 100644
--- a/src/pathview.cpp
+++ b/src/pathview.cpp
@@ -21,18 +21,6 @@
 #define MARGIN           10.0
 #define SCALE_OFFSET     7
 
-static void unite(QRectF &rect, const QPointF &p)
-{
-	if (p.x() < rect.left())
-		rect.setLeft(p.x());
-	if (p.x() > rect.right())
-		rect.setRight(p.x());
-	if (p.y() > rect.bottom())
-		rect.setBottom(p.y());
-	if (p.y() < rect.top())
-		rect.setTop(p.y());
-}
-
 PathView::PathView(Map *map, POI *poi, QWidget *parent)
 	: QGraphicsView(parent)
 {
@@ -141,8 +129,7 @@ void PathView::addWaypoints(const QList<Waypoint> &waypoints)
 
 		WaypointItem *wi = new WaypointItem(w, _map);
 		_waypoints.append(wi);
-		Coordinates c = wi->waypoint().coordinates();
-		updateWaypointsBoundingRect(QPointF(c.lon(), c.lat()));
+		updateWaypointsBoundingRect(wi->waypoint().coordinates());
 		wi->setZValue(1);
 		wi->showLabel(_showWaypointLabels);
 		wi->setUnits(_units);
@@ -184,33 +171,33 @@ QList<PathItem *> PathView::loadData(const Data &data)
 	return paths;
 }
 
-void PathView::updateWaypointsBoundingRect(const QPointF &wp)
+void PathView::updateWaypointsBoundingRect(const Coordinates &wp)
 {
 	if (_wr.isNull()) {
 		if (_wp.isNull())
 			_wp = wp;
 		else {
-			_wr = QRectF(_wp, wp).normalized();
-			_wp = QPointF();
+			_wr = RectC(_wp, wp).normalized();
+			_wp = Coordinates();
 		}
 	} else
-		unite(_wr, wp);
+		_wr.unite(wp);
 }
 
 qreal PathView::mapScale() const
 {
-	QRectF br = _tr | _rr | _wr;
+	RectC br = _tr | _rr | _wr;
 	if (!br.isNull() && !_wp.isNull())
-		unite(br, _wp);
+		br.unite(_wp);
 
 	return _map->zoomFit(viewport()->size() - QSize(MARGIN/2, MARGIN/2), br);
 }
 
 QPointF PathView::contentCenter() const
 {
-	QRectF br = _tr | _rr | _wr;
+	RectC br = _tr | _rr | _wr;
 	if (!br.isNull() && !_wp.isNull())
-		unite(br, _wp);
+		br.unite(_wp);
 
 	if (br.isNull())
 		return _map->ll2xy(_wp);
@@ -543,8 +530,8 @@ void PathView::clear()
 	_scene->clear();
 	_palette.reset();
 
-	_tr = QRectF(); _rr = QRectF(); _wr = QRectF();
-	_wp = QPointF();
+	_tr = RectC(); _rr = RectC(); _wr = RectC();
+	_wp = Coordinates();
 
 	resetDigitalZoom();
 	resetCachedContent();
diff --git a/src/pathview.h b/src/pathview.h
index 3e3ee14b..e45bdb59 100644
--- a/src/pathview.h
+++ b/src/pathview.h
@@ -8,6 +8,7 @@
 #include "units.h"
 #include "palette.h"
 #include "waypoint.h"
+#include "rectc.h"
 
 class Data;
 class POI;
@@ -80,7 +81,7 @@ private:
 	void digitalZoom(int zoom);
 	void resetDigitalZoom();
 	void updatePOIVisibility();
-	void updateWaypointsBoundingRect(const QPointF &wp);
+	void updateWaypointsBoundingRect(const Coordinates &wp);
 
 	void mouseDoubleClickEvent(QMouseEvent *event);
 	void wheelEvent(QWheelEvent *event);
@@ -97,8 +98,8 @@ private:
 	QList<WaypointItem*> _waypoints;
 	QHash<Waypoint, WaypointItem*> _pois;
 
-	QRectF _tr, _rr, _wr;
-	QPointF _wp;
+	RectC _tr, _rr, _wr;
+	Coordinates _wp;
 	qreal _res;
 
 	Map *_map;
diff --git a/src/rectc.cpp b/src/rectc.cpp
new file mode 100644
index 00000000..a5bce4be
--- /dev/null
+++ b/src/rectc.cpp
@@ -0,0 +1,86 @@
+#include "rectc.h"
+
+RectC RectC::normalized() const
+{
+	RectC r;
+
+	if (_br.lon() < _tl.lon()) {
+		r._tl.setLon(_br.lon());
+		r._br.setLon(_tl.lon());
+	} else {
+		r._tl.setLon(_tl.lon());
+		r._br.setLon(_br.lon());
+	}
+
+	if (_br.lat() < _tl.lat()) {
+		r._tl.setLat(_br.lat());
+		r._br.setLat(_tl.lat());
+	} else {
+		r._tl.setLat(_tl.lat());
+		r._br.setLat(_br.lat());
+	}
+
+    return r;
+}
+
+RectC RectC::operator|(const RectC &r) const
+{
+	if (isNull())
+		return r;
+	if (r.isNull())
+		return *this;
+
+	qreal l1 = _tl.lon();
+	qreal r1 = _tl.lon();
+	if (_br.lon() - _tl.lon() < 0)
+		l1 = _br.lon();
+	else
+		r1 = _br.lon();
+
+	qreal l2 = r._tl.lon();
+	qreal r2 = r._tl.lon();
+	if (r._br.lon() - r._tl.lon() < 0)
+		l2 = r._br.lon();
+	else
+		r2 = r._br.lon();
+
+	qreal t1 = _tl.lat();
+	qreal b1 = _tl.lat();
+	if (_br.lat() - _tl.lat() < 0)
+		t1 = _br.lat();
+	else
+		b1 = _br.lat();
+
+	qreal t2 = r._tl.lat();
+	qreal b2 = r._tl.lat();
+	if (r._br.lat() - r._tl.lat() < 0)
+		t2 = r._br.lat();
+	else
+		b2 = r._br.lat();
+
+	RectC tmp;
+	tmp._tl.setLon(qMin(l1, l2));
+	tmp._br.setLon(qMax(r1, r2));
+	tmp._tl.setLat(qMin(t1, t2));
+	tmp._br.setLat(qMax(b1, b2));
+
+	return tmp;
+}
+
+void RectC::unite(const Coordinates &c)
+{
+	if (c.lon() < _tl.lon())
+		_tl.setLon(c.lon());
+	if (c.lon() > _br.lon())
+		_br.setLon(c.lon());
+	if (c.lat() > _br.lat())
+		_br.setLat(c.lat());
+	if (c.lat() < _tl.lat())
+		_tl.setLat(c.lat());
+}
+
+QDebug operator<<(QDebug dbg, const RectC &rect)
+{
+	dbg.nospace() << "RectC(" << rect.topLeft() << ", " << rect.size() << ")";
+	return dbg.maybeSpace();
+}
diff --git a/src/rectc.h b/src/rectc.h
new file mode 100644
index 00000000..e174727f
--- /dev/null
+++ b/src/rectc.h
@@ -0,0 +1,42 @@
+#ifndef RECTC_H
+#define RECTC_H
+
+#include <QDebug>
+#include <QSizeF>
+#include "coordinates.h"
+
+class RectC
+{
+public:
+	RectC() {}
+	RectC(const Coordinates &topLeft, const Coordinates &bottomRight)
+	  : _tl(topLeft), _br(bottomRight) {}
+
+	bool isNull() const
+	  {return _tl.isNull() || _br.isNull() || _tl == _br;}
+
+	Coordinates topLeft() const {return _tl;}
+	Coordinates bottomRight() const {return _br;}
+
+	Coordinates center() const
+	  {return Coordinates((_tl.lon() + _br.lon()) / 2.0,
+	    (_tl.lat() + _br.lat()) / 2.0);}
+	qreal width() const {return  _br.lon() - _tl.lon();}
+	qreal height() const {return  _br.lat() - _tl.lat();}
+
+	QSizeF size() const {return QSizeF(width(), height());}
+
+	RectC normalized() const;
+
+	RectC operator|(const RectC &r) const;
+	RectC &operator|=(const RectC &r) {*this = *this | r; return *this;}
+
+	void unite(const Coordinates &c);
+
+private:
+	Coordinates _tl, _br;
+};
+
+QDebug operator<<(QDebug dbg, const RectC &rect);
+
+#endif // RECTC_H