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mapwidgethelper: skip dive sites which are near each other

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Use QGeoCoordinate::distanceTo() to skip dive sites
which are too close (50m) to dives sites which are already added
as MapLocations.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
This commit is contained in:
Lubomir I. Ivanov 2017-07-24 02:49:11 +03:00 • committed by Dirk Hohndel
parent 66b2f0c88c
commit 4b8b61100a
1 changed files with 16 additions and 3 deletions
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19
mobile-widgets/qmlmapwidgethelper.cpp
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@ -9,6 +9,8 @@
#include "core/divesite.h"
#include "qt-models/maplocationmodel.h"
#define MIN_DISTANCE_BETWEEN_DIVE_SITES_M 50.0
MapWidgetHelper::MapWidgetHelper(QObject *parent) : QObject(parent)
{
m_mapLocationModel = new MapLocationModel(this);
@ -36,9 +38,20 @@ void MapWidgetHelper::reloadMapLocations()
for_each_dive_site(idx, ds) {
if (!dive_site_has_gps_location(ds))
continue;
const qreal longitude = ds->longitude.udeg / 1000000.0;
const qreal latitude = ds->latitude.udeg / 1000000.0;
locationList.append(new MapLocation(ds->uuid, QGeoCoordinate(latitude, longitude)));
const qreal latitude = ds->latitude.udeg * 0.000001;
const qreal longitude = ds->longitude.udeg * 0.000001;
QGeoCoordinate dsCoord(latitude, longitude);
// check if there are no locations too close to the current dive site
bool diveSiteTooClose = false;
foreach(MapLocation *location, locationList) {
QGeoCoordinate coord = qvariant_cast<QGeoCoordinate>(location->getRole(MapLocation::Roles::RoleCoordinate));
if (dsCoord.distanceTo(coord) < MIN_DISTANCE_BETWEEN_DIVE_SITES_M) {
diveSiteTooClose = true;
break;
}
}
if (!diveSiteTooClose)
locationList.append(new MapLocation(ds->uuid, QGeoCoordinate(latitude, longitude)));
}
m_mapLocationModel->addList(locationList);
}