EdgeDetect
Returns a pixmap with an edge detection effect.
Syntax
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EdgeDetect(pm[, d])-
pmis a pixmap -
dis a string containing zero or more ofvandh
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Description
EdgeDetect(pm, d) returns pm with an edge detection effect in the vertical direction if d contains v and the horizontal direction if d contains h. If omitted, d defaults to "vh".
Examples
EdgeDetect(ExampleData("Sally"))
