Alan,
It seems to me the most sensible thing to do is use Miller plane
notation "hkl" instead of "plane" for that WITHIN definition.
display within(-999,hkl,{0,40,0})
as long as you can use crystallographic coordinates instead of
Cartesian. Alternatively, you can define the plane using three
fractional coordinates:
display within(-999,plane,{0 1/40 0},{1 1/40 0},{1 1/40 1})
or something of that nature. As for getting the coordinates in JavaScript,
var unitcell =
jmolGetPropertyAsArray('auxiliaryinfo').models[0].notionalUnitcell
gets you an array containing a, b, c, alpha, beta, gamma in elements 0
through 5.
var a = unitcell[0]
var b = unitcell[1]
etc. Note that there may be a different unit cell for each model loaded
-- models[0], models[1], etc.
Bob
Alan Hewat wrote:
>This must be a simple javascript problem, but I am having trouble with it:-)
>In my slider display I execute a jmolScript to limit the displayed volume:
>jmolScript( 'display within(-999,plane,z='+z1+') and
>within(999,plane,z='+z2+') and ...etc
>where z1, z2 etc are javascript variables proportional to the unit cell
>lengths a,b,c
>i.e. I want something like z1=c/40 etc...
>
>So how do I factor the unit cell lengths into the the "within...plane"
>definition, or else how do I retrieve the unit cell dimensions as javascript
>constants so that I can write z1=c/40 etc... ?
>
>Alan.
>_____________________________________________________________
>Dr Alan Hewat, ILL Grenoble, FRANCE<[EMAIL PROTECTED]>fax+33.476.20.76.48
>+33.476.20.72.13 (.26 Mme Guillermet) http://www.ill.fr/dif/people/hewat/
>_____________________________________________________________
>
>
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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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