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Fixes #2326: Google Earth export GPS glitch filtering and lat/lon synchronization (ported from master)

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This commit is contained in:
Damjan Adamic 2015-06-19 18:39:45 +02:00
parent 6a3f277fde
commit c0afcb51f7
4 changed files with 195 additions and 68 deletions
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52
companion/src/helpers.cpp
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@ -1060,3 +1060,55 @@ bool caseInsensitiveLessThan(const QString &s1, const QString &s2)
{
return s1.toLower() < s2.toLower();
}
bool GpsGlitchFilter::isGlitch(double latitude, double longitude)
{
if ((fabs(latitude) < 0.1) && (fabs(longitude) < 0.1)) {
return true;
}
if (lastValid) {
if (fabs(latitude - lastLat) > 0.01) {
// qDebug() << "GpsGlitchFilter(): latitude glitch " << latitude << lastLat;
if ( ++glitchCount < 10) {
return true;
}
}
if (fabs(longitude - lastLon) > 0.01) {
// qDebug() << "GpsGlitchFilter(): longitude glitch " << longitude << lastLon;
if ( ++glitchCount < 10) {
return true;
}
}
}
lastLat = latitude;
lastLon = longitude;
lastValid = true;
glitchCount = 0;
return false;
}
bool GpsLatLonFilter::isValid(const QString & latitude, const QString & longitude)
{
if (lastLat == latitude) {
return false;
}
if (lastLon == longitude) {
return false;
}
lastLat = latitude;
lastLon = longitude;
return true;
}
double toDecimalCoordinate(const QString & value)
{
if (value.isEmpty()) return 0.0;
double temp = int(value.left(value.length()-1).toDouble() / 100);
double result = temp + (value.left(value.length() - 1).toDouble() - temp * 100) / 60.0;
QChar direction = value.at(value.size()-1);
if ((direction == 'S') || (direction == 'W')) {
result = -result;
}
return result;
}