function moveEcho
for ( var i=0; i<250; i = i + 2 )
set echo myecho @i @{450-i}
delay 0.1
end for
end function
On Wed, Nov 19, 2008 at 2:52 PM, Frieda Reichsman <[EMAIL PROTECTED]> wrote:
> Hi,
>
> I am trying to move an echo diagonally across the Jmol applet using a
> function (I have created and positioned the echo at (0, 450) before
> calling the function). I want the echo to stop at (250, 200) or
> thereabouts.
>
> function moveEcho
> for ( var i=0; i<250; i = i + 2 )
> x = script("set echo myecho " i + (450 - i) + "; delay 0.1;")
>
> end for
> end function
>
>
> But I am getting a NaN for the second parameter, the y coord - here's
> what Jmol says back to me:
>
> for ( var i=0; i<250; i = i + 2 )
> x = script("set echo myecho " + i + " " + 450-i "; delay 0.1;")
> javascript: NaN set echo myecho 36 450
> end for
>
> (Note the "NaN" infront of "set" on the third line). So clearly Jmol
> does not want to subtract i from 450. Am I not allowed to use the
> variable twice in the same statement? Or am I missing something obvious?
>
> Frieda
>
>
> -----
>
> Frieda Reichsman, PhD
> Senior Research Scientist
> The Concord Consortium
> http://concord.org
> 25 Love Lane
> Concord, MA 01742
>
> Mon/Fri: 413-253-2405
> Tu/Wed/Thu: 978-405-3228
> mobile: 413-320-7449
>
>
>
>
>
>
>
>
>
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--
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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