QGIS API Documentation  3.0.2-Girona (307d082)
Public Member Functions | List of all members
QgsClipToMinMaxEnhancement Class Reference

A raster contrast enhancement that will clip a value to the specified min/max range. More...

#include <qgscliptominmaxenhancement.h>

Inheritance diagram for QgsClipToMinMaxEnhancement:
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Public Member Functions

 QgsClipToMinMaxEnhancement (Qgis::DataType, double, double)
 
int enhance (double) override
 A customizable method that takes in a double and returns a int between 0 and 255. More...
 
bool isValueInDisplayableRange (double) override
 A customicable method to indicate if the pixels is displayable. More...
 
- Public Member Functions inherited from QgsContrastEnhancementFunction
 QgsContrastEnhancementFunction (Qgis::DataType, double, double)
 
 QgsContrastEnhancementFunction (const QgsContrastEnhancementFunction &f)
 
virtual ~QgsContrastEnhancementFunction ()=default
 
void setMaximumValue (double)
 Mustator for the maximum value. More...
 
void setMinimumValue (double)
 Mutator for the minimum value. More...
 

Additional Inherited Members

- Protected Attributes inherited from QgsContrastEnhancementFunction
double mMaximumValue
 User defineable maximum value for the band, used for enhanceContrasting. More...
 
double mMinimumMaximumRange
 Minimum maximum range for the band, used for enhanceContrasting. More...
 
double mMinimumValue
 User defineable minimum value for the band, used for enhanceContrasting. More...
 
Qgis::DataType mQgsRasterDataType
 Data type of the band. More...
 

Detailed Description

A raster contrast enhancement that will clip a value to the specified min/max range.

For example if a min max range of [10,240] is specified in the constructor, and a value of 250 is called using enhance(), the value will be truncated ('clipped') to 240.

Definition at line 32 of file qgscliptominmaxenhancement.h.

Constructor & Destructor Documentation

◆ QgsClipToMinMaxEnhancement()

QgsClipToMinMaxEnhancement::QgsClipToMinMaxEnhancement ( Qgis::DataType  qgsRasterDataType,
double  minimumValue,
double  maximumValue 
)

Definition at line 22 of file qgscliptominmaxenhancement.cpp.

Member Function Documentation

◆ enhance()

int QgsClipToMinMaxEnhancement::enhance ( double  value)
overridevirtual

A customizable method that takes in a double and returns a int between 0 and 255.

Reimplemented from QgsContrastEnhancementFunction.

Definition at line 26 of file qgscliptominmaxenhancement.cpp.

◆ isValueInDisplayableRange()

bool QgsClipToMinMaxEnhancement::isValueInDisplayableRange ( double  value)
overridevirtual

A customicable method to indicate if the pixels is displayable.

Reimplemented from QgsContrastEnhancementFunction.

Definition at line 43 of file qgscliptominmaxenhancement.cpp.


The documentation for this class was generated from the following files: