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Invoke.GradientDirAndPresenceImage

Computes an image of gradient directions mapped to the range from 1 to 255. Zero means "no edge".

Namespace:Fil
Assembly:FilNet.dll

Syntax

C++
C#
 
public static void GradientDirAndPresenceImage
(
	Fil.Image inImage,
	Optional<Fil.Region> inRoi,
	Fil.GradientMaskOperator inOperator,
	float inEdgeThreshold,
	Fil.AngleRange inAngleRange,
	Fil.Image outDirectionsImage
)

Parameters

Name Type Range Default Description
inImageFil.ImageInput image.
inRoiFtl.Optional<Fil.Region>Range of output pixels to be computed. Default value: ftl::NIL.
inOperatorFil.GradientMaskOperatorDefines how the gradient is computed.
inEdgeThresholdfloat<0.01f, INF>10.0fMinimum edge magnitude (other pixels will be set to 0). Default value: 10.0f.
inAngleRangeFil.AngleRange_0_360Range of output angles. Default value: _0_360.
outDirectionsImageFil.Image

See also