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" );
64 QDomElement ranges = document.createElement( QStringLiteral(
"ranges" ) );
65 for (
auto it = mRangePerGroup.constBegin(); it != mRangePerGroup.constEnd(); ++it )
67 QDomElement range = document.createElement( QStringLiteral(
"range" ) );
68 range.setAttribute( QStringLiteral(
"group" ), it.key() );
69 range.setAttribute( QStringLiteral(
"lower" ),
qgsDoubleToString( it.value().lower() ) );
70 range.setAttribute( QStringLiteral(
"upper" ),
qgsDoubleToString( it.value().upper() ) );
71 range.setAttribute( QStringLiteral(
"includeLower" ), it.value().includeLower() ?
"1" :
"0" );
72 range.setAttribute( QStringLiteral(
"includeUpper" ), it.value().includeUpper() ?
"1" :
"0" );
73 ranges.appendChild( range );
75 element.appendChild( ranges );
83 QDomElement profileLineSymbolElement = document.createElement( QStringLiteral(
"profileLineSymbol" ) );
85 element.appendChild( profileLineSymbolElement );
87 QDomElement profileFillSymbolElement = document.createElement( QStringLiteral(
"profileFillSymbol" ) );
89 element.appendChild( profileFillSymbolElement );
91 parentElement.appendChild( element );
97 const QDomElement elevationElement = element.firstChildElement( QStringLiteral(
"elevation" ) ).toElement();
100 if ( elevationElement.hasAttribute( QStringLiteral(
"elevationLimit" ) ) )
101 mElevationLimit = elevationElement.attribute( QStringLiteral(
"elevationLimit" ) ).toDouble();
103 mElevationLimit = std::numeric_limits< double >::quiet_NaN();
111 const double lower = elevationElement.attribute( QStringLiteral(
"lower" ) ).toDouble();
112 const double upper = elevationElement.attribute( QStringLiteral(
"upper" ) ).toDouble();
113 const bool includeLower = elevationElement.attribute( QStringLiteral(
"includeLower" ) ).toInt();
114 const bool includeUpper = elevationElement.attribute( QStringLiteral(
"includeUpper" ) ).toInt();
115 mFixedRange =
QgsDoubleRange( lower, upper, includeLower, includeUpper );
121 mRangePerGroup.clear();
123 const QDomNodeList ranges = elevationElement.firstChildElement( QStringLiteral(
"ranges" ) ).childNodes();
124 for (
int i = 0; i < ranges.size(); ++i )
126 const QDomElement rangeElement = ranges.at( i ).toElement();
127 const int group = rangeElement.attribute( QStringLiteral(
"group" ) ).toInt();
128 const double lower = rangeElement.attribute( QStringLiteral(
"lower" ) ).toDouble();
129 const double upper = rangeElement.attribute( QStringLiteral(
"upper" ) ).toDouble();
130 const bool includeLower = rangeElement.attribute( QStringLiteral(
"includeLower" ) ).toInt();
131 const bool includeUpper = rangeElement.attribute( QStringLiteral(
"includeUpper" ) ).toInt();
132 mRangePerGroup.insert( group,
QgsDoubleRange( lower, upper, includeLower, includeUpper ) );
143 const QDomElement profileLineSymbolElement = elevationElement.firstChildElement( QStringLiteral(
"profileLineSymbol" ) ).firstChildElement( QStringLiteral(
"symbol" ) );
144 mProfileLineSymbol.reset( QgsSymbolLayerUtils::loadSymbol< QgsLineSymbol >( profileLineSymbolElement, context ) );
145 if ( !mProfileLineSymbol )
146 setDefaultProfileLineSymbol( defaultColor );
148 const QDomElement profileFillSymbolElement = elevationElement.firstChildElement( QStringLiteral(
"profileFillSymbol" ) ).firstChildElement( QStringLiteral(
"symbol" ) );
149 mProfileFillSymbol.reset( QgsSymbolLayerUtils::loadSymbol< QgsFillSymbol >( profileFillSymbolElement, context ) );
150 if ( !mProfileFillSymbol )
151 setDefaultProfileFillSymbol( defaultColor );
158 QStringList properties;
162 properties << tr(
"Elevation range: %1 to %2" ).arg( mFixedRange.
lower() ).arg( mFixedRange.
upper() );
167 for (
auto it = mRangePerGroup.constBegin(); it != mRangePerGroup.constEnd(); ++it )
169 properties << tr(
"Elevation for group %1: %2 to %3" ).arg( it.key() ).arg( it.value().lower() ).arg( it.value().upper() );
175 properties << tr(
"Scale: %1" ).arg(
mZScale );
176 properties << tr(
"Offset: %1" ).arg(
mZOffset );
179 return QStringLiteral(
"<li>%1</li>" ).arg( properties.join( QLatin1String(
"</li><li>" ) ) );
184 std::unique_ptr< QgsMeshLayerElevationProperties > res = std::make_unique< QgsMeshLayerElevationProperties >(
nullptr );
185 res->setMode( mMode );
186 res->setProfileLineSymbol( mProfileLineSymbol->clone() );
187 res->setProfileFillSymbol( mProfileFillSymbol->clone() );
188 res->setProfileSymbology( mSymbology );
189 res->setElevationLimit( mElevationLimit );
190 res->setFixedRange( mFixedRange );
191 res->setFixedRangePerGroup( mRangePerGroup );
192 res->copyCommonProperties(
this );
193 return res.release();
201 return mFixedRange.
overlaps( range );
205 for (
auto it = mRangePerGroup.constBegin(); it != mRangePerGroup.constEnd(); ++it )
207 if ( it.value().overlaps( range ) )
229 double lower = std::numeric_limits< double >::max();
230 double upper = std::numeric_limits< double >::min();
231 bool includeLower =
true;
232 bool includeUpper =
true;
233 for (
auto it = mRangePerGroup.constBegin(); it != mRangePerGroup.constEnd(); ++it )
235 if ( it.value().lower() < lower )
237 lower = it.value().lower();
238 includeLower = it.value().includeLower();
240 else if ( !includeLower && it.value().lower() == lower && it.value().includeLower() )
244 if ( it.value().upper() > upper )
246 upper = it.value().upper();
247 includeUpper = it.value().includeUpper();
249 else if ( !includeUpper && it.value().upper() == upper && it.value().includeUpper() )
254 return QgsDoubleRange( lower, upper, includeLower, includeUpper );
271 return { mFixedRange.
lower(), mFixedRange.
upper() };
273 return { mFixedRange.
lower() };
281 for (
auto it = mRangePerGroup.constBegin(); it != mRangePerGroup.constEnd(); ++it )
283 if ( it.value().isInfinite() )
286 if ( !res.contains( it.value().lower( ) ) )
287 res.append( it.value().lower() );
288 if ( !res.contains( it.value().upper( ) ) )
289 res.append( it.value().upper() );
291 std::sort( res.begin(), res.end() );
341 if ( range == mFixedRange )
350 return mRangePerGroup;
355 if ( ranges == mRangePerGroup )
358 mRangePerGroup = ranges;
364 return mProfileLineSymbol.get();
369 mProfileLineSymbol.reset( symbol );
376 return mProfileFillSymbol.get();
381 mProfileFillSymbol.reset( symbol );
388 if ( mSymbology == symbology )
391 mSymbology = symbology;
398 return mElevationLimit;
406 mElevationLimit = limit;
411void QgsMeshLayerElevationProperties::setDefaultProfileLineSymbol(
const QColor &color )
413 std::unique_ptr< QgsSimpleLineSymbolLayer > profileLineLayer = std::make_unique< QgsSimpleLineSymbolLayer >( color, 0.6 );
414 mProfileLineSymbol = std::make_unique< QgsLineSymbol>(
QgsSymbolLayerList( { profileLineLayer.release() } ) );
417void QgsMeshLayerElevationProperties::setDefaultProfileFillSymbol(
const QColor &color )
419 std::unique_ptr< QgsSimpleFillSymbolLayer > profileFillLayer = std::make_unique< QgsSimpleFillSymbolLayer >( color );
420 profileFillLayer->setStrokeStyle( Qt::NoPen );
421 mProfileFillSymbol = std::make_unique< QgsFillSymbol>(
QgsSymbolLayerList( { profileFillLayer.release() } ) );
MeshElevationMode
Mesh layer elevation modes.
@ FromVertices
Elevation should be taken from mesh vertices.
@ FixedRangePerGroup
Layer has a fixed (manually specified) elevation range per group.
@ 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.
bool isInfinite() const
Returns true if the range consists of all possible 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...
@ FlagDontInvalidateCachedRendersWhenRangeChanges
Any cached rendering will not be invalidated when z range context is modified.
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.
void setFixedRangePerGroup(const QMap< int, QgsDoubleRange > &ranges)
Sets the fixed elevation range for each group.
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...
QList< double > significantZValues(QgsMapLayer *layer) const override
Returns a list of significant elevation/z-values for the specified layer, using the settings defined ...
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.
QMap< int, QgsDoubleRange > fixedRangePerGroup() const
Returns the fixed elevation range for each group.
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.
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