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QGIS API Documentation
3.22.4-Białowieża (ce8e65e95e)
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Single band pseudo color renderer widget consists of a color ramp shader widget, a raster min max widget and a band selector. More...
#include <qgssinglebandpseudocolorrendererwidget.h>

Public Slots | |
| void | loadMinMax (int bandNo, double min, double max) |
| called when new min/max values are loaded More... | |
| void | loadMinMaxFromTree (double min, double max) |
| called when the color ramp tree has changed More... | |
Public Member Functions | |
| QgsSingleBandPseudoColorRendererWidget (QgsRasterLayer *layer, const QgsRectangle &extent=QgsRectangle()) | |
| Creates new raster renderer widget. More... | |
| int | currentBand () const |
| Returns the current raster band number. More... | |
| void | doComputations () override |
| Load programmatically with current values. More... | |
| QgsRasterMinMaxWidget * | minMaxWidget () override |
| Returns min/max widget when it exists. More... | |
| QgsRasterRenderer * | renderer () override |
| Creates a new renderer, using the properties defined in the widget. More... | |
| void | setFromRenderer (const QgsRasterRenderer *r) |
| Sets the widget state from the specified renderer. More... | |
| void | setMapCanvas (QgsMapCanvas *canvas) override |
| Sets the map canvas associated with the widget. More... | |
Public Member Functions inherited from QgsRasterRendererWidget | |
| QgsRasterRendererWidget (QgsRasterLayer *layer, const QgsRectangle &extent) | |
| QgsMapCanvas * | mapCanvas () |
| Returns the map canvas associated with the widget. More... | |
| virtual QString | max (int index=0) |
| virtual QString | min (int index=0) |
| const QgsRasterLayer * | rasterLayer () const |
| Returns the raster layer associated with the widget. More... | |
| virtual int | selectedBand (int index=0) |
| virtual void | setMax (const QString &value, int index=0) |
| virtual void | setMin (const QString &value, int index=0) |
| void | setRasterLayer (QgsRasterLayer *layer) |
| Sets the raster layer associated with the widget. More... | |
| virtual void | setStdDev (const QString &value) |
| virtual QString | stdDev () |
Static Public Member Functions | |
| static QgsRasterRendererWidget * | create (QgsRasterLayer *layer, const QgsRectangle &extent) |
| Creates new raster renderer widget. More... | |
Friends | |
| class | TestQgsSingleBandPseudoColorRendererWidget |
Additional Inherited Members | |
Signals inherited from QgsRasterRendererWidget | |
| void | widgetChanged () |
| Emitted when something on the widget has changed. More... | |
Protected Attributes inherited from QgsRasterRendererWidget | |
| QgsMapCanvas * | mCanvas = nullptr |
| Associated map canvas. More... | |
| QgsRectangle | mExtent |
| Current extent. More... | |
| QgsRasterLayer * | mRasterLayer = nullptr |
Single band pseudo color renderer widget consists of a color ramp shader widget, a raster min max widget and a band selector.
Definition at line 38 of file qgssinglebandpseudocolorrendererwidget.h.
| QgsSingleBandPseudoColorRendererWidget::QgsSingleBandPseudoColorRendererWidget | ( | QgsRasterLayer * | layer, |
| const QgsRectangle & | extent = QgsRectangle() |
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| ) |
Creates new raster renderer widget.
Definition at line 45 of file qgssinglebandpseudocolorrendererwidget.cpp.
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inlinestatic |
Creates new raster renderer widget.
Definition at line 49 of file qgssinglebandpseudocolorrendererwidget.h.
| int QgsSingleBandPseudoColorRendererWidget::currentBand | ( | ) | const |
Returns the current raster band number.
Definition at line 136 of file qgssinglebandpseudocolorrendererwidget.cpp.
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overridevirtual |
Load programmatically with current values.
Reimplemented from QgsRasterRendererWidget.
Definition at line 129 of file qgssinglebandpseudocolorrendererwidget.cpp.
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slot |
called when new min/max values are loaded
Definition at line 189 of file qgssinglebandpseudocolorrendererwidget.cpp.
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slot |
called when the color ramp tree has changed
Definition at line 225 of file qgssinglebandpseudocolorrendererwidget.cpp.
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overridevirtual |
Returns min/max widget when it exists.
Reimplemented from QgsRasterRendererWidget.
Definition at line 134 of file qgssinglebandpseudocolorrendererwidget.cpp.
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overridevirtual |
Creates a new renderer, using the properties defined in the widget.
The caller takes ownership of the returned renderer.
Implements QgsRasterRendererWidget.
Definition at line 111 of file qgssinglebandpseudocolorrendererwidget.cpp.
| void QgsSingleBandPseudoColorRendererWidget::setFromRenderer | ( | const QgsRasterRenderer * | r | ) |
Sets the widget state from the specified renderer.
Definition at line 148 of file qgssinglebandpseudocolorrendererwidget.cpp.
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overridevirtual |
Sets the map canvas associated with the widget.
This allows the widget to retrieve the current map extent and other properties from the canvas.
| canvas | map canvas |
Reimplemented from QgsRasterRendererWidget.
Definition at line 141 of file qgssinglebandpseudocolorrendererwidget.cpp.
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friend |
Definition at line 89 of file qgssinglebandpseudocolorrendererwidget.h.