QGIS API Documentation
2.18.21-Las Palmas (9fba24a)
|
A contrast enhancement funcion is the base class for all raster contrast enhancements. More...
#include <qgscontrastenhancementfunction.h>
Public Member Functions | |
QgsContrastEnhancementFunction (QGis::DataType, double, double) | |
QgsContrastEnhancementFunction (const QgsContrastEnhancementFunction &f) | |
virtual | ~QgsContrastEnhancementFunction () |
virtual int | enhance (double) |
A customizable method that takes in a double and returns a int between 0 and 255. More... | |
virtual bool | isValueInDisplayableRange (double) |
A customicable method to indicate if the pixels is displayable. More... | |
void | setMaximumValue (double) |
Mustator for the maximum value. More... | |
void | setMinimumValue (double) |
Mutator for the minimum value. More... | |
Protected Attributes | |
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... | |
A contrast enhancement funcion is the base class for all raster contrast enhancements.
The purpose of a contrast enhancement is to enhanceContrast or clip a pixel value into a specified bounding range.
Definition at line 31 of file qgscontrastenhancementfunction.h.
QgsContrastEnhancementFunction::QgsContrastEnhancementFunction | ( | QGis::DataType | theDataType, |
double | theMinimumValue, | ||
double | theMaximumValue | ||
) |
Definition at line 21 of file qgscontrastenhancementfunction.cpp.
QgsContrastEnhancementFunction::QgsContrastEnhancementFunction | ( | const QgsContrastEnhancementFunction & | f | ) |
Definition at line 29 of file qgscontrastenhancementfunction.cpp.
|
inlinevirtual |
Definition at line 37 of file qgscontrastenhancementfunction.h.
|
virtual |
A customizable method that takes in a double and returns a int between 0 and 255.
Reimplemented in QgsClipToMinMaxEnhancement, QgsLinearMinMaxEnhancementWithClip, and QgsLinearMinMaxEnhancement.
Definition at line 37 of file qgscontrastenhancementfunction.cpp.
|
virtual |
A customicable method to indicate if the pixels is displayable.
Reimplemented in QgsClipToMinMaxEnhancement, and QgsLinearMinMaxEnhancementWithClip.
Definition at line 49 of file qgscontrastenhancementfunction.cpp.
void QgsContrastEnhancementFunction::setMaximumValue | ( | double | theValue | ) |
Mustator for the maximum value.
Definition at line 56 of file qgscontrastenhancementfunction.cpp.
void QgsContrastEnhancementFunction::setMinimumValue | ( | double | theValue | ) |
Mutator for the minimum value.
Definition at line 70 of file qgscontrastenhancementfunction.cpp.
|
protected |
User defineable maximum value for the band, used for enhanceContrasting.
Definition at line 53 of file qgscontrastenhancementfunction.h.
|
protected |
Minimum maximum range for the band, used for enhanceContrasting.
Definition at line 59 of file qgscontrastenhancementfunction.h.
|
protected |
User defineable minimum value for the band, used for enhanceContrasting.
Definition at line 56 of file qgscontrastenhancementfunction.h.
|
protected |
Data type of the band.
Definition at line 62 of file qgscontrastenhancementfunction.h.