opens a dialog to show colors in the current colormap
c=getcolor(title,[cini])
c=getcolor()
:title string, dialog title. : :cini initial selected color id. Default value is 1. : :c selected color id or [] if the selection is cancelled. :
getcolor opens a window displaying the palette of the current colormap. The user can click on a color to show its id and RGB values. getcolor returns the id of the selected color or [] if the “Cancel” button has been clicked or the window closed.