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This commit implements the improvements described at: https://lists.osgeo.org/pipermail/qgis-developer/2016-September/044393.html The QgsRasterMinMaxWidget now offers a seetting to specify that the statistics should be computed each time the canvas extent changes. Other changes: - the content of the QgsRasterMinMaxWidget is now persistant. - there is no longer any Load button. The global Apply / OK button of the raster properties dialog has this effect. - the default "limits" for single band raster is now MinMax and not CumulativeCut - the default "limits" can be configured for single band, multi band single byte and multi band multi byte - "Strech using current extent" honours the "limits" instead of forcing min/max.
27 lines
874 B
Plaintext
27 lines
874 B
Plaintext
class QgsSingleBandGrayRendererWidget: QgsRasterRendererWidget
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{
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%TypeHeaderCode
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#include <qgssinglebandgrayrendererwidget.h>
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%End
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public:
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QgsSingleBandGrayRendererWidget( QgsRasterLayer* layer, const QgsRectangle &extent = QgsRectangle() );
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~QgsSingleBandGrayRendererWidget();
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static QgsRasterRendererWidget* create( QgsRasterLayer* layer, const QgsRectangle &theExtent ) /Factory/;
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QgsRasterRenderer* renderer();
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void setMapCanvas( QgsMapCanvas* canvas );
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void setFromRenderer( const QgsRasterRenderer* r );
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QString min( int index = 0 );
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QString max( int index = 0 );
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void setMin( const QString& value, int index = 0 );
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void setMax( const QString& value, int index = 0 );
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int selectedBand( int index = 0 );
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void doComputations();
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public slots:
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void loadMinMax( int theBandNo, double theMin, double theMax );
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};
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