Picture methods

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Back to Picture class.

Picture.SobelMBS(direction1 as Integer = 1, direction2 as Integer = 3, swap as boolean = false, gray as boolean = true) as picture

Type Topic Plugin Version macOS Windows Linux iOS Targets
method Graphics & Pictures MBS Picture Plugin 11.1 ✅ Yes ✅ Yes ✅ Yes ✅ Yes All
Calculates the sobel operator.
Example
dim m as Picture = LogoMBS(500)

Backdrop = m.SobelMBS

Useful for edge detection.

direction1: The direction for first matrix.
direction2: The direction for first matrix.
swap: If false, you get white on black. If true you get black on white.
gray: whether to output gray image instead of RGB image.

Possible Matrix values:
-1: negative identity:
0: identity
1: west
2: east
3: north
4: south
5: south east
6: north west
7: north east
8: south west

You can add 10 to the 8 direction matrixes to get more weight.

Some examples using this method:

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The items on this page are in the following plugins: MBS Picture Plugin.


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