No arguments
Description:
Compute the pointwise tangent of selected images.
This command has a tutorial page.
Examples of use:
• Example #1
$ gmic
image.jpg +normalize {-0.47*pi},{0.47*pi} tan[-1]

Command:
image.jpg +normalize {-0.47*pi},{0.47*pi} tan[-1]

Command:
image.jpg +normalize {-0.47*pi},{0.47*pi} tan[-1]
• Example #2
$ gmic 300,1,1,1,'20*x/w+u' +tan display_graph 400,300

Command: 300,1,1,1,'20*x/w+u' +tan display_graph 400,300

Command: 300,1,1,1,'20*x/w+u' +tan display_graph 400,300