> > Investigate the "data" command. That may do what you need.
> Can you write simple example of this action, please? I can't fully understand documentation given on http://chemapps.stolaf.edu/jmol/docs/
Sorry, I can't. I have never used this command. Others might help
you. Maybe try to find it in the example pages,
(search for "DATA")
> In general, I want to click on view panel and create atom in this point.
That means having an editor, which Jmol is not in principle.
Development is far form that, although the basic tools are already
in. That would need a sizable task of programming, I think.
Maybe you can try other programs. Avogadro does precisely what you
describe: you can add atoms and bonds using the mouse, in real time.
> > They are the choice, but it depends on what you mean by
> > "interactive". They work via scripting only.
> By "interactive" I mean quickness of event: will it work via script as quick as simple manipulation?
Well, script is quick, certainly. But it is not GUI-driven.
> > You need to activate the mode by scripting, then use the mouse.
> Sorry, what does you mean? "set dragSelected !dragSelected"?
set dragSelected true
to activate the special mode, and
set dragSelected false
to deactivate it.
That's what the above script does, but in the form of a toggle.