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Project structure refactoring

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This commit is contained in:
Martin Tůma
2017-11-26 18:54:03 +01:00
parent 443b916301
commit 56e4c80999
182 changed files with 500 additions and 529 deletions
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src/common/coordinates.cpp Normal file
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#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
{
qreal dLat = deg2rad(c.lat() - _lat);
qreal dLon = deg2rad(c.lon() - _lon);
qreal a = pow(sin(dLat / 2.0), 2.0)
+ cos(deg2rad(_lat)) * cos(deg2rad(c.lat())) * pow(sin(dLon / 2.0), 2.0);
return (WGS84_RADIUS * (2.0 * atan2(sqrt(a), sqrt(1.0 - a))));
}
QDebug operator<<(QDebug dbg, const Coordinates &c)
{
dbg.nospace() << "Coordinates(" << c.lon() << ", " << c.lat() << ")";
return dbg.space();
}
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(qMin(minLon,
maxLon)), rad2deg(qMin(minLat, maxLat))), Coordinates(rad2deg(qMax(minLon,
maxLon)), rad2deg(qMax(minLat, maxLat))));
}