MagickEvaluateOperator

Alter channel pixels by evaluating an arithmetic, relational, or logical expression.

Values

Value	Meaning
UndefinedEvaluateOperator
AddEvaluateOperator	Add value to pixels.
AndEvaluateOperator	Binary AND of pixels with value.
DivideEvaluateOperator	Divide pixels by value.
LeftShiftEvaluateOperator	Shift the pixel values left by value bits.
MaxEvaluateOperator	Clip pixels at lower bound value.
MinEvaluateOperator	Clip pixels at upper bound value.
MultiplyEvaluateOperator	Multiply pixels by value.
OrEvaluateOperator	Binary OR of pixels with value.
RightShiftEvaluateOperator	Shift the pixel values right by value bits.
SetEvaluateOperator	Set pixel equal to value.
SubtractEvaluateOperator	Subtract value from pixels.
XorEvaluateOperator	Binary XOR of pixels with value.
PowEvaluateOperator	Raise normalized pixels to the power value.
LogEvaluateOperator	Apply scaled logarithm to normalized pixels.
ThresholdEvaluateOperator	Threshold pixels larger than value.
ThresholdBlackEvaluateOperator	Threshold pixels to zero values equal to or below value.
ThresholdWhiteEvaluateOperator	Threshold pixels to maximum values above value.
GaussianNoiseEvaluateOperator
ImpulseNoiseEvaluateOperator	ditto
LaplacianNoiseEvaluateOperator	ditto
MultiplicativeNoiseEvaluateOperator	ditto
PoissonNoiseEvaluateOperator	ditto
UniformNoiseEvaluateOperator	ditto
CosineEvaluateOperator	Apply cosine to pixels with frequency value with 50% bias added.
SineEvaluateOperator	Apply sine to pixels with frequency value with 50% bias added.
AddModulusEvaluateOperator	Add value to pixels modulo QuantumRange.
MeanEvaluateOperator	Add the value and divide by 2.
AbsEvaluateOperator	Add value to pixels and return absolute value.
ExponentialEvaluateOperator	base-e exponential function.
MedianEvaluateOperator	Choose the median value from an image sequence.
SumEvaluateOperator	Add value to pixels.
RootMeanSquareEvaluateOperator

MagickEvaluateOperator

Values

Meta

Source