26 #include <QRegularExpression>
35 const bool automatic = project->
readBoolEntry( QStringLiteral(
"PositionPrecision" ), QStringLiteral(
"/Automatic" ) );
40 const QString format = project->
readEntry( QStringLiteral(
"PositionPrecision" ), QStringLiteral(
"/DegreeFormat" ), QStringLiteral(
"MU" ) );
41 const bool formatGeographic = ( format == QLatin1String(
"DM" ) || format == QLatin1String(
"DMS" ) || format == QLatin1String(
"D" ) );
53 dp =
static_cast<int>( std::ceil( -1.0 * std::log10( mapUnitsPerPixel ) ) );
57 if ( format == QLatin1String(
"D" ) )
64 dp = project->
readNumEntry( QStringLiteral(
"PositionPrecision" ), QStringLiteral(
"/DecimalPlaces" ) );
81 const bool automatic = prj->
readBoolEntry( QStringLiteral(
"PositionPrecision" ), QStringLiteral(
"/Automatic" ) );
84 return prj->
readNumEntry( QStringLiteral(
"PositionPrecision" ), QStringLiteral(
"/DecimalPlaces" ), 6 );
103 const QString format = project->
readEntry( QStringLiteral(
"PositionPrecision" ), QStringLiteral(
"/DegreeFormat" ), QStringLiteral(
"MU" ) );
106 if ( format == QLatin1String(
"DM" ) || format == QLatin1String(
"DMS" ) || format == QLatin1String(
"D" ) )
115 geo = ct.transform( point );
123 if ( format == QLatin1String(
"DM" ) )
125 else if ( format == QLatin1String(
"DMS" ) )
141 return QStringLiteral(
"%1 : %2" ).arg( QgsCoordinateUtils::formatCoordinateForProject( project, p1, destCrs,
precision ),
142 QgsCoordinateUtils::formatCoordinateForProject( project, p2, destCrs,
precision ) );
145 double QgsCoordinateUtils::dmsToDecimal(
const QString &
string,
bool *ok,
bool *isEasting )
147 const QString negative( QStringLiteral(
"swSW-" ) );
148 const QString easting( QStringLiteral(
"eEwW" ) );
150 bool okValue =
false;
161 const QRegularExpression dms(
"^\\s*(?:([-+nsew])\\s*)?(\\d{1,3})(?:[^0-9.]+([0-5]?\\d))?[^0-9.]+([0-5]?\\d(?:\\.\\d+)?)[^0-9.,]*?([-+nsew])?\\s*$", QRegularExpression::CaseInsensitiveOption );
162 const QRegularExpressionMatch match = dms.match(
string.trimmed() );
163 if ( match.hasMatch() )
165 const QString dms1 = match.captured( 2 );
166 const QString dms2 = match.captured( 3 );
167 const QString dms3 = match.captured( 4 );
169 double v = dms3.toDouble( ok );
173 if ( !dms2.isEmpty() )
175 v = dms2.toInt( ok ) + v / 60.0;
179 v = dms1.toInt( ok ) + v / 60.0;
183 const QString sign1 = match.captured( 1 );
184 const QString sign2 = match.captured( 5 );
186 if ( sign1.isEmpty() )
188 value = !sign2.isEmpty() && negative.contains( sign2 ) ? -v : v;
191 *isEasting = easting.contains( sign2 );
194 else if ( sign2.isEmpty() )
196 value = !sign1.isEmpty() && negative.contains( sign1 ) ? -v : v;
199 *isEasting = easting.contains( sign2 );
This class represents a coordinate reference system (CRS).
bool isValid() const
Returns whether this CRS is correctly initialized and usable.
Q_GADGET QgsUnitTypes::DistanceUnit mapUnits
Custom exception class for Coordinate Reference System related exceptions.
A class to represent a 2D point.
Encapsulates a QGIS project, including sets of map layers and their styles, layouts,...
int readNumEntry(const QString &scope, const QString &key, int def=0, bool *ok=nullptr) const
Reads an integer from the specified scope and key.
static QgsProject * instance()
Returns the QgsProject singleton instance.
QString readEntry(const QString &scope, const QString &key, const QString &def=QString(), bool *ok=nullptr) const
Reads a string from the specified scope and key.
bool readBoolEntry(const QString &scope, const QString &key, bool def=false, bool *ok=nullptr) const
Reads a boolean from the specified scope and key.
A rectangle specified with double values.
double yMaximum() const SIP_HOLDGIL
Returns the y maximum value (top side of rectangle).
double xMaximum() const SIP_HOLDGIL
Returns the x maximum value (right side of rectangle).
double xMinimum() const SIP_HOLDGIL
Returns the x minimum value (left side of rectangle).
double yMinimum() const SIP_HOLDGIL
Returns the y minimum value (bottom side of rectangle).
DistanceUnit
Units of distance.
@ DistanceDegrees
Degrees, for planar geographic CRS distance measurements.
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)
const QgsCoordinateReferenceSystem & crs