plot2value
No arguments
Description:
Retrieve values from selected 2D graph plots.
Example of use:
$ gmic 400,300,1,1,'if(y>300*abs(cos(x/10+2*u)),1,0)' +plot2value +display_graph[-1] 400,300

Command: 400,300,1,1,'if(y>300*abs(cos(x/10+2*u)),1,0)' +plot2value +display_graph[-1] 400,300

Command: 400,300,1,1,'if(y>300*abs(cos(x/10+2*u)),1,0)' +plot2value +display_graph[-1] 400,300

Command: 400,300,1,1,'if(y>300*abs(cos(x/10+2*u)),1,0)' +plot2value +display_graph[-1] 400,300