Thank you for your reply, Bob!
The situation is as follows:
I developed an application with Jmol embedded in it.
In this application I get messages sent by Jmol through notifyCallback
function.
This same application sends the messages through the network to another
instance. The second instance of the application receives the messages
correctly.
Therefore, different instances of Jmol not talk to each other; the exchange
of messages is made by the application that I developed, using a protocol
specifically designed for such communication..
My difficulty lies in this: what do I do with these messages in the second
instance of my application? I have to update the Jmol incorporated into it
and I do not know how.
[]s
Moacyr
De: Robert Hanson [mailto:[email protected]]
Enviada em: sábado, 6 de março de 2010 11:02
Para: [email protected]
Assunto: Re: [Jmol-developers] RES: Intercepting events
Looking back at this, I have some of my answers to questions posed just now.
I don't think you can use the Jmol application without modification to do
this. What you need to do is build your own application that has Jmol
embedded in it, or you need to adapt Jmol to report its status over an
internet port. You could use the Jmol application or the signed applet. I
would STRONGLY recommend using the signed applet.
Let's assume you can get a version of Jmol set up that can report its status
over an internet port. (An example of this is how the signed applet uses
internet ports to get information from a multi-touch screen driver.)
Then what you would do would be to enable syncCallback and have your
application process that. If you use the applet, this is trivial -- Jmol
already will send syncCallbacks to a web page. You could just use AJAX to
send those on to the other machine. Almost trivial.
There are two types of sync -- script and mouse.
Script synchronization sends all the scripts executed by the user to the
other process.
Mouse synchronization sends all user mouse actions to the other process.
You can enable these independently.
See http://chemapps.stolaf.edu/jmol/docs/examples-11/sync2.htm for example
of how you do this with applets.
The way the applet does this is by a direct connection with the other applet
through
app.syncScript(script);
which is just:
synchronized public void syncScript(String script) {
viewer.syncScript(script, "~");
}
That is, Jmol takes care of everything for you. When the user issues a
script command or uses the mouse, Jmol creates the proper string that
encodes this information. It then passes the string on to the other process.
All you would have to do is set up an internet port based communication
pathway between the two applets or the two Jmol applications. (Personally, I
would use signed applets, not the application. Then you could fit around
that all the video, chat, etc. links that you want.)
Just set up a syncCallback (which intercepts those messages) and then send
that sync message to the other machine.
A great project I just have not had time to work on myself.
Does that help?
Bob
--
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
http://www.stolaf.edu/people/hansonr
phone: 507-786-3107
If nature does not answer first what we want,
it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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