Subgroup: Contrast
Class: QgsContrastEnhancementFunction¶
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class
qgis.core.
QgsContrastEnhancementFunction
¶ Bases:
sip.wrapper
A contrast enhancement function 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.
Methods
enhance
A customizable method that takes in a double value
and returns a int between 0 and 255.isValueInDisplayableRange
A customizable method to indicate if a pixel’s value is within the displayable range. maximumValue
Returns the maximum value. minimumValue
Returns the minimum value. setMaximumValue
Sets the maximum value
.setMinimumValue
Sets the minimum value
.Signals
Attributes
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enhance
(self, value: float) → int¶ A customizable method that takes in a double
value
and returns a int between 0 and 255.
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isValueInDisplayableRange
(self, value: float) → bool¶ A customizable method to indicate if a pixel’s value is within the displayable range.
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maximumValue
(self) → float¶ Returns the maximum value.
See also
See also
New in version 3.2.
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minimumValue
(self) → float¶ Returns the minimum value.
See also
See also
New in version 3.2.
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setMaximumValue
(self, value: float)¶ Sets the maximum
value
.See also
See also
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setMinimumValue
(self, value: float)¶ Sets the minimum
value
.See also
See also
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