diff options
Diffstat (limited to 'qthelper.cpp')
| -rw-r--r-- | qthelper.cpp | 31 |
1 files changed, 24 insertions, 7 deletions
diff --git a/qthelper.cpp b/qthelper.cpp index 9587fcf3f..7eb1e48f4 100644 --- a/qthelper.cpp +++ b/qthelper.cpp @@ -104,8 +104,9 @@ QString weight_string(int weight_in_grams) bool parseGpsText(const QString& gps_text, double *latitude, double *longitude) { - enum { SECONDS, MINUTES, DECIMAL } gpsStyle = DECIMAL; + enum { ISO6709D, SECONDS, MINUTES, DECIMAL } gpsStyle = ISO6709D; int eastWest = 4; + int northSouth = 1; QString regExp; /* an empty string is interpreted as 0.0,0.0 and therefore "no gps location" */ if (gps_text.trimmed() == "") { @@ -114,8 +115,16 @@ bool parseGpsText(const QString& gps_text, double *latitude, double *longitude) return true; } // trying to parse all formats in one regexp might be possible, but it seems insane - // so handle the three formats we understand separately - if (gps_text.count(QChar('"')) == 2) { + // so handle the four formats we understand separately + + // ISO 6709 Annex D representation + // http://en.wikipedia.org/wiki/ISO_6709#Representation_at_the_human_interface_.28Annex_D.29 + if (gps_text.at(0).isDigit()) { + gpsStyle = ISO6709D; + regExp = QString("(\\d+)[" UTF8_DEGREE "\\s](\\d+)[\'\\s](\\d+)([,\\.](\\d+))?[\"\\s]([NS%1%2])" + "\\s*(\\d+)[" UTF8_DEGREE "\\s](\\d+)[\'\\s](\\d+)([,\\.](\\d+))?[\"\\s]([EW%3%4])") + .arg(tr("N")).arg(tr("S")).arg(tr("E")).arg(tr("W")); + } else if (gps_text.count(QChar('"')) == 2) { gpsStyle = SECONDS; regExp = QString("\\s*([NS%1%2])\\s*(\\d+)[" UTF8_DEGREE "\\s]+(\\d+)[\'\\s]+(\\d+)([,\\.](\\d+))?[^EW%3%4]*" "([EW%6%7])\\s*(\\d+)[" UTF8_DEGREE "\\s]+(\\d+)[\'\\s]+(\\d+)([,\\.](\\d+))?") @@ -126,6 +135,7 @@ bool parseGpsText(const QString& gps_text, double *latitude, double *longitude) "([EW%6%7])\\s*(\\d+)[" UTF8_DEGREE "\\s]+(\\d+)([,\\.](\\d+))?") .arg(tr("N")).arg(tr("S")).arg(tr("E")).arg(tr("W")).arg(tr("E")).arg(tr("W")); } else { + gpsStyle = DECIMAL; regExp = QString("\\s*([-NS%1%2]?)\\s*(\\d+)[,\\.](\\d+)[^-EW%3%4\\d]*([-EW%5%6]?)\\s*(\\d+)[,\\.](\\d+)") .arg(tr("N")).arg(tr("S")).arg(tr("E")).arg(tr("W")).arg(tr("E")).arg(tr("W")); } @@ -134,6 +144,14 @@ bool parseGpsText(const QString& gps_text, double *latitude, double *longitude) // qDebug() << "Hemisphere" << r.cap(1) << "deg" << r.cap(2) << "min" << r.cap(3) << "decimal" << r.cap(4); // qDebug() << "Hemisphere" << r.cap(5) << "deg" << r.cap(6) << "min" << r.cap(7) << "decimal" << r.cap(8); switch(gpsStyle) { + case ISO6709D: + *latitude = r.cap(1).toInt() + r.cap(2).toInt() / 60.0 + + (r.cap(3) + QString(".") + r.cap(5)).toDouble() / 3600.0; + *longitude = r.cap(7).toInt() + r.cap(8).toInt() / 60.0 + + (r.cap(9) + QString(".") + r.cap(11)).toDouble() / 3600.0; + northSouth = 6; + eastWest = 12; + break; case SECONDS: *latitude = r.cap(2).toInt() + r.cap(3).toInt() / 60.0 + (r.cap(4) + QString(".") + r.cap(6)).toDouble() / 3600.0; @@ -147,15 +165,14 @@ bool parseGpsText(const QString& gps_text, double *latitude, double *longitude) eastWest = 6; break; case DECIMAL: - default: + default: *latitude = (r.cap(2) + QString(".") + r.cap(3)).toDouble(); *longitude = (r.cap(5) + QString(".") + r.cap(6)).toDouble(); - eastWest = 4; break; } - if (r.cap(1) == "S" || r.cap(1) == tr("S") || r.cap(1) == "-") + if (r.cap(northSouth) == "S" || r.cap(northSouth) == tr("S") || r.cap(northSouth) == "-") *latitude *= -1.0; - if (r.cap(eastWest) == "W" || r.cap(5) == tr("W") || r.cap(5) == "-") + if (r.cap(eastWest) == "W" || r.cap(eastWest) == tr("W") || r.cap(eastWest) == "-") *longitude *= -1.0; // qDebug("%s -> %8.5f / %8.5f", gps_text.toLocal8Bit().data(), *latitude, *longitude); return true; |