32 setDefaultProfileLineSymbol( color );
33 setDefaultProfileFillSymbol( color );
45 QDomElement element = document.createElement( QStringLiteral(
"elevation" ) );
47 element.setAttribute( QStringLiteral(
"symbology" ),
qgsEnumValueToKey( mSymbology ) );
48 if ( !std::isnan( mElevationLimit ) )
49 element.setAttribute( QStringLiteral(
"elevationLimit" ),
qgsDoubleToString( mElevationLimit ) );
58 element.setAttribute( QStringLiteral(
"includeLower" ), mFixedRange.
includeLower() ?
"1" :
"0" );
59 element.setAttribute( QStringLiteral(
"includeUpper" ), mFixedRange.
includeUpper() ?
"1" :
"0" );
66 QDomElement profileLineSymbolElement = document.createElement( QStringLiteral(
"profileLineSymbol" ) );
68 element.appendChild( profileLineSymbolElement );
70 QDomElement profileFillSymbolElement = document.createElement( QStringLiteral(
"profileFillSymbol" ) );
72 element.appendChild( profileFillSymbolElement );
74 parentElement.appendChild( element );
80 const QDomElement elevationElement = element.firstChildElement( QStringLiteral(
"elevation" ) ).toElement();
83 if ( elevationElement.hasAttribute( QStringLiteral(
"elevationLimit" ) ) )
84 mElevationLimit = elevationElement.attribute( QStringLiteral(
"elevationLimit" ) ).toDouble();
86 mElevationLimit = std::numeric_limits< double >::quiet_NaN();
94 const double lower = elevationElement.attribute( QStringLiteral(
"lower" ) ).toDouble();
95 const double upper = elevationElement.attribute( QStringLiteral(
"upper" ) ).toDouble();
96 const bool includeLower = elevationElement.attribute( QStringLiteral(
"includeLower" ) ).toInt();
97 const bool includeUpper = elevationElement.attribute( QStringLiteral(
"includeUpper" ) ).toInt();
107 const QDomElement profileLineSymbolElement = elevationElement.firstChildElement( QStringLiteral(
"profileLineSymbol" ) ).firstChildElement( QStringLiteral(
"symbol" ) );
108 mProfileLineSymbol.reset( QgsSymbolLayerUtils::loadSymbol< QgsLineSymbol >( profileLineSymbolElement, context ) );
109 if ( !mProfileLineSymbol )
110 setDefaultProfileLineSymbol( defaultColor );
112 const QDomElement profileFillSymbolElement = elevationElement.firstChildElement( QStringLiteral(
"profileFillSymbol" ) ).firstChildElement( QStringLiteral(
"symbol" ) );
113 mProfileFillSymbol.reset( QgsSymbolLayerUtils::loadSymbol< QgsFillSymbol >( profileFillSymbolElement, context ) );
114 if ( !mProfileFillSymbol )
115 setDefaultProfileFillSymbol( defaultColor );
122 QStringList properties;
126 properties << tr(
"Elevation range: %1 to %2" ).arg( mFixedRange.
lower() ).arg( mFixedRange.
upper() );
130 properties << tr(
"Scale: %1" ).arg(
mZScale );
131 properties << tr(
"Offset: %1" ).arg(
mZOffset );
134 return QStringLiteral(
"<li>%1</li>" ).arg( properties.join( QLatin1String(
"</li><li>" ) ) );
139 std::unique_ptr< QgsMeshLayerElevationProperties > res = std::make_unique< QgsMeshLayerElevationProperties >(
nullptr );
140 res->setMode( mMode );
141 res->setProfileLineSymbol( mProfileLineSymbol->clone() );
142 res->setProfileFillSymbol( mProfileFillSymbol->clone() );
143 res->setProfileSymbology( mSymbology );
144 res->setElevationLimit( mElevationLimit );
145 res->setFixedRange( mFixedRange );
146 res->copyCommonProperties(
this );
147 return res.release();
155 return mFixedRange.
overlaps( range );
188 return QgsMapLayerElevationProperties::Flag::FlagDontInvalidateCachedRendersWhenRangeChanges;
217 if ( range == mFixedRange )
226 return mProfileLineSymbol.get();
231 mProfileLineSymbol.reset( symbol );
238 return mProfileFillSymbol.get();
243 mProfileFillSymbol.reset( symbol );
250 if ( mSymbology == symbology )
253 mSymbology = symbology;
260 return mElevationLimit;
268 mElevationLimit = limit;
273void QgsMeshLayerElevationProperties::setDefaultProfileLineSymbol(
const QColor &color )
275 std::unique_ptr< QgsSimpleLineSymbolLayer > profileLineLayer = std::make_unique< QgsSimpleLineSymbolLayer >( color, 0.6 );
276 mProfileLineSymbol = std::make_unique< QgsLineSymbol>(
QgsSymbolLayerList( { profileLineLayer.release() } ) );
279void QgsMeshLayerElevationProperties::setDefaultProfileFillSymbol(
const QColor &color )
281 std::unique_ptr< QgsSimpleFillSymbolLayer > profileFillLayer = std::make_unique< QgsSimpleFillSymbolLayer >( color );
282 profileFillLayer->setStrokeStyle( Qt::NoPen );
283 mProfileFillSymbol = std::make_unique< QgsFillSymbol>(
QgsSymbolLayerList( { profileFillLayer.release() } ) );
MeshElevationMode
Mesh layer elevation modes.
@ FromVertices
Elevation should be taken from mesh vertices.
@ FixedElevationRange
Layer has a fixed elevation range.
ProfileSurfaceSymbology
Surface symbology type for elevation profile plots.
@ Line
The elevation surface will be rendered using a line symbol.
static QgsColorSchemeRegistry * colorSchemeRegistry()
Returns the application's color scheme registry, used for managing color schemes.
QColor fetchRandomStyleColor() const
Returns a random color for use with a new symbol style (e.g.
QgsRange which stores a range of double values.
A fill symbol type, for rendering Polygon and MultiPolygon geometries.
A line symbol type, for rendering LineString and MultiLineString geometries.
Base class for storage of map layer elevation properties.
void writeCommonProperties(QDomElement &element, QDomDocument &doc, const QgsReadWriteContext &context)
Writes common class properties to a DOM element, to be used later with readXml().
void readCommonProperties(const QDomElement &element, const QgsReadWriteContext &context)
Reads common class properties from a DOM element previously written by writeXml().
void changed()
Emitted when any of the elevation properties have changed.
void profileRenderingPropertyChanged()
Emitted when any of the elevation properties which relate solely to presentation of elevation results...
Base class for all map layer types.
Mesh layer specific subclass of QgsMapLayerElevationProperties.
QDomElement writeXml(QDomElement &element, QDomDocument &doc, const QgsReadWriteContext &context) override
Writes the properties to a DOM element, to be used later with readXml().
QgsLineSymbol * profileLineSymbol() const
Returns the line symbol used to render the mesh profile in elevation profile plots.
QgsDoubleRange fixedRange() const
Returns the fixed elevation range for the mesh.
bool hasElevation() const override
Returns true if the layer has an elevation or z component.
bool isVisibleInZRange(const QgsDoubleRange &range, QgsMapLayer *layer=nullptr) const override
Returns true if the layer should be visible and rendered for the specified z range.
Qgis::MeshElevationMode mode() const
Returns the elevation mode.
QgsMeshLayerElevationProperties * clone() const override
Creates a clone of the properties.
void setElevationLimit(double limit)
Sets the elevation limit, which is used when profileSymbology() is Qgis::ProfileSurfaceSymbology::Fil...
QgsFillSymbol * profileFillSymbol() const
Returns the fill symbol used to render the mesh profile in elevation profile plots.
void setProfileSymbology(Qgis::ProfileSurfaceSymbology symbology)
Sets the symbology option used to render the mesh profile in elevation profile plots.
void setProfileFillSymbol(QgsFillSymbol *symbol)
Sets the fill symbol used to render the mesh profile in elevation profile plots.
void setProfileLineSymbol(QgsLineSymbol *symbol)
Sets the line symbol used to render the mesh profile in elevation profile plots.
~QgsMeshLayerElevationProperties() override
QgsMeshLayerElevationProperties(QObject *parent)
Constructor for QgsMeshLayerElevationProperties, with the specified parent object.
void setMode(Qgis::MeshElevationMode mode)
Sets the elevation mode.
QString htmlSummary() const override
Returns a HTML formatted summary of the properties.
QgsMapLayerElevationProperties::Flags flags() const override
Returns flags associated to the elevation properties.
void setFixedRange(const QgsDoubleRange &range)
Sets the fixed elevation range for the mesh.
bool showByDefaultInElevationProfilePlots() const override
Returns true if the layer should be visible by default in newly created elevation profile plots.
bool readXml(const QDomElement &element, const QgsReadWriteContext &context) override
Reads the elevation properties from a DOM element previously written by writeXml().
double elevationLimit() const
Returns the elevation limit, which is used when profileSymbology() is Qgis::ProfileSurfaceSymbology::...
QgsDoubleRange calculateZRange(QgsMapLayer *layer) const override
Attempts to calculate the overall elevation or z range for the specified layer, using the settings de...
bool includeUpper() const
Returns true if the upper bound is inclusive, or false if the upper bound is exclusive.
bool overlaps(const QgsRange< T > &other) const
Returns true if this range overlaps another range.
T lower() const
Returns the lower bound of the range.
bool includeLower() const
Returns true if the lower bound is inclusive, or false if the lower bound is exclusive.
T upper() const
Returns the upper bound of the range.
The class is used as a container of context for various read/write operations on other objects.
static QDomElement saveSymbol(const QString &symbolName, const QgsSymbol *symbol, QDomDocument &doc, const QgsReadWriteContext &context)
Writes a symbol definition to XML.
int ANALYSIS_EXPORT lower(int n, int i)
Lower function.
T qgsEnumKeyToValue(const QString &key, const T &defaultValue, bool tryValueAsKey=true, bool *returnOk=nullptr)
Returns the value corresponding to the given key of an enum.
QString qgsDoubleToString(double a, int precision=17)
Returns a string representation of a double.
QString qgsEnumValueToKey(const T &value, bool *returnOk=nullptr)
Returns the value for the given key of an enum.
#define BUILTIN_UNREACHABLE
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)
QList< QgsSymbolLayer * > QgsSymbolLayerList