mosty I think you will find that the jmolGetStatus() business won't
be helpful. I'm probably the only who ever used that. It was an
early attempt to get around callbacks, and I can't think of any
good reason to use it now.
Try something else, like the following:
alert(jmolGetPropertyAsString("auxiliaryinfo", "", divInc))
For getting that property, these days I just use:
var x = jmolEvaluate('getProperty("auxiliaryInfo.zeroPoint")')
rather than doing all the translation of the auxiliaryInfo array
into JavaScript just to get that one element.
But you are using Jmol 11.6.RC6 -- be sure to upgrade that to
11.6.RC11.
Bob
On Thu, Aug 28, 2008 at 11:00 PM, Jeff Hansen <[EMAIL PROTECTED]>
wrote:
Thanks Bob. If gas prices weren't so high and my family wouldn't
miss me too much I would take you up on the offer.
Of course jmolScriptWait didn't break anything, just my failed
attempts to use it broke something.
I tried your second alternative (callbacks are still a mystery to
me although that code doesn't look too bad). So after loading the
file I called a function.
this.loadString = "load ../Jmol/jmol/Models/" + molecule +
";javascript myFunc();";
divWrite(divID,jmolApplet(400, this.loadString,divInc));
In the function I tried to use jmolGetStatus.
function myFunc(){
var result = jmolGetStatus("scriptStatus",divInc);
alert(result);
}
As with all of my attempts thus far this displayed "undefined." I
guess I still don't get how this works.
I think ultimately I will put the load command along with some
other commands in a script file rather than continuing to make
these long (and going to get longer) strings.
I'm making progress and having fun. Does that make me a geek?
Thanks for the help and encouragement.
You can see how far I've come at http://web.mac.com/jhansen4/Jmol/NewJmolDivSTD.html
.
Jeff
***********************************************
Jeff Hansen
Department of Chemistry and Biochemistry
DePauw University
602 S. College Ave.
Greencastle, IN 46135
[EMAIL PROTECTED]
***********************************************
On Aug 28, 2008, at 10:47 PM, Robert Hanson wrote:
Jeff, why don't you come over to St. Olaf and I'll show you how
this works! :)
Seriously, hang in there. You are trying to do a lot all at once,
and you will catch on. This is precisely what this list is for.
Just keep at it.
"jmolScriptWait" would not "break" anything.
jmolScriptWait should only be used if you absolutely have to pause
the JavaScript until that operation is complete. There are times
this is necessary, but it's not a great idea.
Most Jmol commands are given "asynchronously" using jmolScript()
rather than jmolScriptWait(). Jmol has a built-in queuing system,
so you can fire as many commands at it as you wish, and they will
be processed in order as processing becomes available. You can
also clear the queue using
!exit
and you can abort a specifically running script (but continue
processing later scripts) using
!quit
An alternative to waiting is to have the issued script notify the
web page when it is complete. Eric Martz and Tim Driscoll
masterminded this idea using "scriptcallback" methods that see a
comment go by and then know it is time to do something. Something
like this:
set scriptcallback "myfunc";set debugscript true;load
whatever;#--file is loaded
then myfunc() gets a message every time a script command is
executed, and the "#--file is loaded" message comes through as well:
function myfunc(app, msg) {
var s = "" + msg // converts Java string msg into a JavaScript
string
if (s.indexOf("#--file is loaded") == 0) {
[do something]
}
}
Alternatively, I've used the following quite effectively:
jmolScript("load whatever;javascript modelLoaded()")
That would run the JavaScript function
function modelLoaded() {
}
as soon as the model is loaded.
Basically, good "event driven" code is asynchronous. Nothing waits
for anything. Things happen because they get a message that they
need to happen. The more you can do that, the better.
Still, I do use jmolScriptWait() myself at times. Also
jmolEvaluate() is synchronous, and I use that a lot as well.
Bob
On Thu, Aug 28, 2008 at 6:30 PM, Jeff Hansen <[EMAIL PROTECTED]>
wrote:
I tried jmolScriptWait but couldn't get it to not break the load
command.
***********************************************
Jeff Hansen
Department of Chemistry and Biochemistry
DePauw University
602 S. College Ave.
Greencastle, IN 46135
[EMAIL PROTECTED]
***********************************************
On Aug 28, 2008, at 6:03 PM, Jeff Hansen wrote:
> Sorry I wasn't clear about this, but the applet corresponding to
> result1 is loaded when the page loads. I'll try jmolScriptWait
to see
> if that does anything for the result2.
>
> fffff
> ***********************************************
> Jeff Hansen
> Department of Chemistry and Biochemistry
> DePauw University
> 602 S. College Ave.
> Greencastle, IN 46135
> [EMAIL PROTECTED]
> ***********************************************
>
>
> On Aug 28, 2008, at 5:41 PM, Angel Herráez wrote:
>
>> On 28 Aug 2008 at 15:59, Jeff Hansen wrote:
>>
>>> Additionally, the alert(result1) (see code below) displays
undefined
>>> in the alert box and alert(result2) displays a blank alert
box. So
>>> I'm wondering what is going on with that.
>>
>> I would say that with result1 you are trying to read from the
applet
>> before it has been
>> created, so it's not surprising thayt you get undefined.
>> As for result2, I'm not sure because I don't know the try/catch
>> command, but anyway it may
>> be too soon to have the applet ready. Javascript goes much faster
>> than loading Java +
>> Jmol.
>>
>>
>>
>>
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Robert M. Hanson
Professor of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
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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Robert M. Hanson
Professor of Chemistry
St. Olaf College
Northfield, MN
http://www.stolaf.edu/people/hansonr
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it is better to take what answer we get.
-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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