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Add DMS heading

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This commit is contained in:
Alex Spataru 2021-10-19 18:10:07 -05:00
parent b16478b4fc
commit ccb0c0cca2
1 changed files with 24 additions and 8 deletions
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32
src/Widgets/GPS.cpp
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@ -38,24 +38,40 @@ using namespace Widgets;
/**
* Converts the given latitude/longitude to degrees-minutes-seconds format
*/
static const QString DD_TO_DMS(const qreal dd)
static const QString DD_TO_DMS(const qreal dd, const bool horizontal)
{
// Calculate degrees
auto val = dd;
auto val = qAbs(dd);
auto deg = static_cast<int>(val);
// Calculate minutes
val = (qAbs(dd) - qAbs(deg)) * 60;
val = (val - deg) * 60;
auto min = static_cast<int>(val);
// Calculate seconds
auto sec = (val - min) * 60;
// clang-format off
return QString("%1°%2'%3\"").arg(QString::number(deg),
QString::number(min),
QString::number(sec, 'f', 2));
auto dms = QString("%1°%2'%3\"").arg(QString::number(deg),
QString::number(min),
QString::number(sec, 'f', 2));
// clang-format on
// Add heading
if (horizontal) {
if (deg < 0)
dms.append("W");
else
dms.append("E");
} else {
if (deg < 0)
dms.append("S");
else
dms.append("N");
}
// Return constructed string
return dms;
}
/**
@ -294,8 +310,8 @@ void GPS::updateData()
auto latLabel = m_values[0];
auto lonLabel = m_values[1];
auto altLabel = m_values[2];
latLabel->setText(DD_TO_DMS(lat));
lonLabel->setText(DD_TO_DMS(lon));
lonLabel->setText(DD_TO_DMS(lon, true));
latLabel->setText(DD_TO_DMS(lat, false));
altLabel->setText(QString::number(alt, 'f', 4));
// Ensure that non-received data is displayed as "--.--"