18#ifndef QGSHILLSHADERENDERER_H
19#define QGSHILLSHADERENDERER_H
59 void writeXml( QDomDocument &doc, QDomElement &parentElem )
const override;
66 void toSld( QDomDocument &doc, QDomElement &element,
const QVariantMap &props = QVariantMap() )
const override;
88 double azimuth()
const {
return mLightAzimuth; }
94 double altitude()
const {
return mLightAngle; }
113 void setAzimuth(
double azimuth ) { mLightAzimuth = azimuth; }
139 double mLightAngle = 45;
140 double mLightAzimuth = 315;
141 bool mMultiDirectional =
false;
QFlags< RasterRendererFlag > RasterRendererFlags
Flags which control behavior of raster renderers.
A renderer for generating live hillshade models.
bool multiDirectional() const
Returns true if the renderer is using multi-directional hillshading.
void setZFactor(double zfactor)
Set the Z scaling factor of the result image.
Q_DECL_DEPRECATED int band() const
Returns the band used by the renderer.
double azimuth() const
Returns the direction of the light over the raster between 0-360.
void setAltitude(double altitude)
Set the altitude of the light source.
void setAzimuth(double azimuth)
Set the azimuth of the light source.
void setMultiDirectional(bool isMultiDirectional)
Sets whether to render using a multi-directional hillshade algorithm.
double altitude() const
Returns the angle of the light source over the raster.
double zFactor() const
Returns the Z scaling factor.
Feedback object tailored for raster block reading.
Base class for processing filters like renderers, reprojector, resampler etc.
virtual void writeXml(QDomDocument &doc, QDomElement &parentElem) const
Write base class members to xml.
Raster renderer pipe that applies colors to a raster.
virtual int inputBand() const
Returns the input band for the renderer, or -1 if no input band is available.
virtual bool setInputBand(int band)
Attempts to set the input band for the renderer.
virtual Qgis::RasterRendererFlags flags() const
Returns flags which dictate renderer behavior.
QgsRasterBlock * block(int bandNo, const QgsRectangle &extent, int width, int height, QgsRasterBlockFeedback *feedback=nullptr) override=0
Read block of data using given extent and size.
virtual QList< int > usesBands() const
Returns a list of band numbers used by the renderer.
virtual void toSld(QDomDocument &doc, QDomElement &element, const QVariantMap &props=QVariantMap()) const
Used from subclasses to create SLD Rule elements following SLD v1.0 specs.
QgsRasterRenderer * clone() const override=0
Clone itself, create deep copy.
A rectangle specified with double values.