Reference

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asin

Built-in command

No arguments

Description:

Compute the pointwise arcsine of selected images.

This command has a tutorial page.

Examples of use:

• Example #1

$ gmic image.jpg +normalize -1,1 asin[-1]
Command: image.jpg +normalize -1,1 asin[-1]
Command: image.jpg +normalize -1,1 asin[-1]

• Example #2

$ gmic 300,1,1,1,'cut(x/w+0.1*u,0,1)' +asin display_graph 400,300
Command: 300,1,1,1,'cut(x/w+0.1*u,0,1)' +asin display_graph 400,300
Command: 300,1,1,1,'cut(x/w+0.1*u,0,1)' +asin display_graph 400,300