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Added options dialogue

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Martin Tůma
2016-12-06 01:48:26 +01:00
parent 181f60ed40
commit a9668ca86e
34 changed files with 1044 additions and 195 deletions
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32
src/coordinates.cpp
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@ -2,6 +2,10 @@
#include "wgs84.h"
#include "coordinates.h"
#define MIN_LAT deg2rad(-90.0)
#define MAX_LAT deg2rad(90.0)
#define MIN_LON deg2rad(-180.0)
#define MAX_LON deg2rad(180.0)
qreal Coordinates::distanceTo(const Coordinates &c) const
{
@ -35,3 +39,31 @@ QDebug operator<<(QDebug dbg, const Coordinates &coordinates)
return dbg.maybeSpace();
}
QPair<Coordinates, Coordinates> Coordinates::boundingRect(qreal distance) const
{
qreal radDist = distance / WGS84_RADIUS;
qreal minLat = deg2rad(_lat) - radDist;
qreal maxLat = deg2rad(_lat) + radDist;
qreal minLon, maxLon;
if (minLat > MIN_LAT && maxLat < MAX_LAT) {
qreal deltaLon = asin(sin(radDist) / cos(_lat));
minLon = deg2rad(_lon) - deltaLon;
if (minLon < MIN_LON)
minLon += 2.0 * M_PI;
maxLon = deg2rad(_lon) + deltaLon;
if (maxLon > MAX_LON)
maxLon -= 2.0 * M_PI;
} else {
// a pole is within the distance
minLat = qMax(minLat, MIN_LAT);
maxLat = qMin(maxLat, MAX_LAT);
minLon = MIN_LON;
maxLon = MAX_LON;
}
return QPair<Coordinates, Coordinates>(Coordinates(rad2deg(minLon),
rad2deg(minLat)), Coordinates(rad2deg(maxLon), rad2deg(maxLat)));
}