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jit.altern Reference

Color screen with threshold

jit.altern

Description

Overlays a color screen onto incoming matrices. The original matrix values are revealed through "gaps" in the screen.

Examples

Matrix Operator

matrix inputs:1, matrix outputs:1
Name IOProc Planelink Typelink Dimlink Plane Dim Type
out n/a 1 1 1 1 1 char long float32 float64

More about Matrix Operators

The Jitter MOP

MOP Arguments

MOP Attributes

MOP Messages

Attributes

bgcolor [32 floats]

The overlaid screen color alpha red green blue (default = 0. 0. 0. 0.) All values are in the range 0.-1.

colwidth [int]

The width of the vertical band "gaps" in the screen. (default = 1)

ignore_zero [int]

Alpha channel mode (default = 0 (include alpha channel))
0 = Luminance calculation includes the alpha channel
1 = Plane 0 is ignored and the luminance threshold calculation uses the RGB value

rowheight [int]

The height of the horizontal band "gaps" in the screen. (default = 1)

thresh [float]

The luminance threshold as an average of plane values (default = 0.) Input matrix values above this threshold are displayed as a grid of rectangular "gaps" between the overlaid horizontal and vertical screen stripes. Values below the threshold are displayed using the color specified by the bgcolor attribute.

xinterval [int]

The spacing of "gaps" in the screen along the horizontal axis. (default = 1)

yinterval [int]

The spacing of "gaps" in the screen along the vertical axis. (default = 1)

Common Box Attributes

See Also

Name Description
Working with Video in Jitter Working with Video in Jitter
jit.eclipse
jit.hatch
jit.multiplex