QGIS API Documentation 3.28.0-Firenze (ed3ad0430f)
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Raster layer specific subclass of QgsMapLayerElevationProperties. More...
#include <qgsrasterlayerelevationproperties.h>
Public Member Functions | |
QgsRasterLayerElevationProperties (QObject *parent) | |
Constructor for QgsRasterLayerElevationProperties, with the specified parent object. More... | |
~QgsRasterLayerElevationProperties () override | |
int | bandNumber () const |
Returns the band number from which the elevation should be taken. More... | |
QgsDoubleRange | calculateZRange (QgsMapLayer *layer) const override |
Attempts to calculate the overall elevation or z range for the specified layer, using the settings defined by this elevation properties object. More... | |
QgsRasterLayerElevationProperties * | clone () const override |
Creates a clone of the properties. More... | |
bool | hasElevation () const override |
Returns true if the layer has an elevation or z component. More... | |
QString | htmlSummary () const override |
Returns a HTML formatted summary of the properties. More... | |
bool | isEnabled () const |
Returns true if the elevation properties are enabled, i.e. More... | |
bool | isVisibleInZRange (const QgsDoubleRange &range) const override |
Returns true if the layer should be visible and rendered for the specified z range. More... | |
QgsFillSymbol * | profileFillSymbol () const |
Returns the fill symbol used to render the raster profile in elevation profile plots. More... | |
QgsLineSymbol * | profileLineSymbol () const |
Returns the line symbol used to render the raster profile in elevation profile plots. More... | |
Qgis::ProfileSurfaceSymbology | profileSymbology () const |
Returns the symbology option used to render the raster profile in elevation profile plots. More... | |
bool | readXml (const QDomElement &element, const QgsReadWriteContext &context) override |
Reads the elevation properties from a DOM element previously written by writeXml(). More... | |
void | setBandNumber (int band) |
Sets the band number from which the elevation should be taken. More... | |
void | setEnabled (bool enabled) |
Sets whether the elevation properties are enabled, i.e. More... | |
void | setProfileFillSymbol (QgsFillSymbol *symbol) |
Sets the fill symbol used to render the raster profile in elevation profile plots. More... | |
void | setProfileLineSymbol (QgsLineSymbol *symbol) |
Sets the line symbol used to render the raster profile in elevation profile plots. More... | |
void | setProfileSymbology (Qgis::ProfileSurfaceSymbology symbology) |
Sets the symbology option used to render the raster profile in elevation profile plots. More... | |
bool | showByDefaultInElevationProfilePlots () const override |
Returns true if the layer should be visible by default in newly created elevation profile plots. More... | |
QDomElement | writeXml (QDomElement &element, QDomDocument &doc, const QgsReadWriteContext &context) override |
Writes the properties to a DOM element, to be used later with readXml(). More... | |
Public Member Functions inherited from QgsMapLayerElevationProperties | |
QgsMapLayerElevationProperties (QObject *parent) | |
Constructor for QgsMapLayerElevationProperties, with the specified parent object. More... | |
virtual QgsDoubleRange | calculateZRange (QgsMapLayer *layer) const |
Attempts to calculate the overall elevation or z range for the specified layer, using the settings defined by this elevation properties object. More... | |
virtual QgsMapLayerElevationProperties * | clone () const =0 |
Creates a clone of the properties. More... | |
QgsPropertyCollection & | dataDefinedProperties () |
Returns a reference to the object's property collection, used for data defined overrides. More... | |
const QgsPropertyCollection & | dataDefinedProperties () const |
Returns a reference to the object's property collection, used for data defined overrides. More... | |
virtual QgsMapLayerElevationProperties::Flags | flags () const |
Returns flags associated to the elevation properties. More... | |
virtual bool | hasElevation () const |
Returns true if the layer has an elevation or z component. More... | |
virtual QString | htmlSummary () const |
Returns a HTML formatted summary of the properties. More... | |
virtual bool | isVisibleInZRange (const QgsDoubleRange &range) const |
Returns true if the layer should be visible and rendered for the specified z range. More... | |
virtual bool | readXml (const QDomElement &element, const QgsReadWriteContext &context)=0 |
Reads the elevation properties from a DOM element previously written by writeXml(). More... | |
void | setDataDefinedProperties (const QgsPropertyCollection &collection) |
Sets the object's property collection, used for data defined overrides. More... | |
virtual void | setDefaultsFromLayer (QgsMapLayer *layer) |
Sets default properties based on sensible choices for the given map layer. More... | |
void | setZOffset (double offset) |
Sets the z offset, which is a fixed offset amount which will be added to z values from the layer. More... | |
void | setZScale (double scale) |
Sets the z scale, which is a scaling factor which will be applied to z values from the layer. More... | |
virtual bool | showByDefaultInElevationProfilePlots () const |
Returns true if the layer should be visible by default in newly created elevation profile plots. More... | |
virtual QDomElement | writeXml (QDomElement &element, QDomDocument &doc, const QgsReadWriteContext &context)=0 |
Writes the properties to a DOM element, to be used later with readXml(). More... | |
double | zOffset () const |
Returns the z offset, which is a fixed offset amount which should be added to z values from the layer. More... | |
double | zScale () const |
Returns the z scale, which is a scaling factor which should be applied to z values from the layer. More... | |
Additional Inherited Members | |
Public Types inherited from QgsMapLayerElevationProperties | |
enum | Flag { FlagDontInvalidateCachedRendersWhenRangeChanges = 1 } |
Flags attached to the elevation property. More... | |
enum | Property { ZOffset , ExtrusionHeight } |
Data definable properties. More... | |
Signals inherited from QgsMapLayerElevationProperties | |
void | changed () |
Emitted when any of the elevation properties have changed. More... | |
void | profileGenerationPropertyChanged () |
Emitted when any of the elevation properties which relate solely to generation of elevation profiles have changed. More... | |
void | profileRenderingPropertyChanged () |
Emitted when any of the elevation properties which relate solely to presentation of elevation results have changed. More... | |
void | zOffsetChanged () |
Emitted when the z offset changes. More... | |
void | zScaleChanged () |
Emitted when the z scale changes. More... | |
Static Public Member Functions inherited from QgsMapLayerElevationProperties | |
static QgsPropertiesDefinition | propertyDefinitions () |
Returns the definitions for data defined properties available for use in elevation properties. More... | |
Protected Member Functions inherited from QgsMapLayerElevationProperties | |
void | copyCommonProperties (const QgsMapLayerElevationProperties *other) |
Copies common properties from another object. More... | |
void | readCommonProperties (const QDomElement &element, const QgsReadWriteContext &context) |
Reads common class properties from a DOM element previously written by writeXml(). More... | |
void | writeCommonProperties (QDomElement &element, QDomDocument &doc, const QgsReadWriteContext &context) |
Writes common class properties to a DOM element, to be used later with readXml(). More... | |
Protected Attributes inherited from QgsMapLayerElevationProperties | |
QgsPropertyCollection | mDataDefinedProperties |
Property collection for data defined elevation settings. More... | |
double | mZOffset = 0.0 |
Z offset. More... | |
double | mZScale = 1.0 |
Z scale. More... | |
Static Protected Attributes inherited from QgsMapLayerElevationProperties | |
static QgsPropertiesDefinition | sPropertyDefinitions |
Property definitions. More... | |
Raster layer specific subclass of QgsMapLayerElevationProperties.
Definition at line 34 of file qgsrasterlayerelevationproperties.h.
QgsRasterLayerElevationProperties::QgsRasterLayerElevationProperties | ( | QObject * | parent | ) |
Constructor for QgsRasterLayerElevationProperties, with the specified parent object.
Definition at line 28 of file qgsrasterlayerelevationproperties.cpp.
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overridedefault |
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inline |
Returns the band number from which the elevation should be taken.
Definition at line 75 of file qgsrasterlayerelevationproperties.h.
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overridevirtual |
Attempts to calculate the overall elevation or z range for the specified layer, using the settings defined by this elevation properties object.
May return an infinite range if the extent could not be calculated.
Reimplemented from QgsMapLayerElevationProperties.
Definition at line 115 of file qgsrasterlayerelevationproperties.cpp.
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overridevirtual |
Creates a clone of the properties.
Implements QgsMapLayerElevationProperties.
Definition at line 88 of file qgsrasterlayerelevationproperties.cpp.
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overridevirtual |
Returns true
if the layer has an elevation or z component.
Reimplemented from QgsMapLayerElevationProperties.
Definition at line 38 of file qgsrasterlayerelevationproperties.cpp.
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overridevirtual |
Returns a HTML formatted summary of the properties.
Reimplemented from QgsMapLayerElevationProperties.
Definition at line 100 of file qgsrasterlayerelevationproperties.cpp.
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inline |
Returns true
if the elevation properties are enabled, i.e.
the raster layer values represent an elevation surface.
Definition at line 61 of file qgsrasterlayerelevationproperties.h.
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overridevirtual |
Returns true
if the layer should be visible and rendered for the specified z range.
Reimplemented from QgsMapLayerElevationProperties.
Definition at line 109 of file qgsrasterlayerelevationproperties.cpp.
QgsFillSymbol * QgsRasterLayerElevationProperties::profileFillSymbol | ( | ) | const |
Returns the fill symbol used to render the raster profile in elevation profile plots.
Definition at line 158 of file qgsrasterlayerelevationproperties.cpp.
QgsLineSymbol * QgsRasterLayerElevationProperties::profileLineSymbol | ( | ) | const |
Returns the line symbol used to render the raster profile in elevation profile plots.
Definition at line 146 of file qgsrasterlayerelevationproperties.cpp.
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inline |
Returns the symbology option used to render the raster profile in elevation profile plots.
Definition at line 121 of file qgsrasterlayerelevationproperties.h.
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overridevirtual |
Reads the elevation properties from a DOM element previously written by writeXml().
Implements QgsMapLayerElevationProperties.
Definition at line 64 of file qgsrasterlayerelevationproperties.cpp.
void QgsRasterLayerElevationProperties::setBandNumber | ( | int | band | ) |
Sets the band number from which the elevation should be taken.
Definition at line 136 of file qgsrasterlayerelevationproperties.cpp.
void QgsRasterLayerElevationProperties::setEnabled | ( | bool | enabled | ) |
Sets whether the elevation properties are enabled, i.e.
the raster layer values represent an elevation surface.
Definition at line 126 of file qgsrasterlayerelevationproperties.cpp.
void QgsRasterLayerElevationProperties::setProfileFillSymbol | ( | QgsFillSymbol * | symbol | ) |
Sets the fill symbol used to render the raster profile in elevation profile plots.
Ownership of symbol is transferred to the plot.
Definition at line 163 of file qgsrasterlayerelevationproperties.cpp.
void QgsRasterLayerElevationProperties::setProfileLineSymbol | ( | QgsLineSymbol * | symbol | ) |
Sets the line symbol used to render the raster profile in elevation profile plots.
Ownership of symbol is transferred to the plot.
Definition at line 151 of file qgsrasterlayerelevationproperties.cpp.
void QgsRasterLayerElevationProperties::setProfileSymbology | ( | Qgis::ProfileSurfaceSymbology | symbology | ) |
Sets the symbology option used to render the raster profile in elevation profile plots.
Definition at line 168 of file qgsrasterlayerelevationproperties.cpp.
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overridevirtual |
Returns true
if the layer should be visible by default in newly created elevation profile plots.
Subclasses should override this with logic which determines whether the layer is likely desirable to be initially checked in these plots.
Reimplemented from QgsMapLayerElevationProperties.
Definition at line 121 of file qgsrasterlayerelevationproperties.cpp.
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overridevirtual |
Writes the properties to a DOM element, to be used later with readXml().
Implements QgsMapLayerElevationProperties.
Definition at line 43 of file qgsrasterlayerelevationproperties.cpp.