I know it's not terribly clear, but you can't use variables within
select commands like that. Probably not worth it to explain why -- this
has to do with how exactly commands are proccessed. In any case, you can
construct and execute any command you like using the script() function:
load =1crn.pdb
myNum = 12;
x = script("select " + myNum)
> 8 atoms selected
This then removes all need for "@variableName" in a command, and it's
necessary for the script command itself.
That said, in any select command were there is a numerical check, such as:
select resno=12
THERE you can use a variable directly, without @:
myNum = 12;
select resno=myNum
> 8 atoms selected
select resno < myNum
> 76 atoms selected
So that's even better in this case. Possibilities include those listed
in the table starting with "ATOMNO" at
http://chemapps.stolaf.edu/jmol/docs/?ver=11.2#atomexpressions
Bob
Frieda Reichsman wrote:
> Hi,
>
> Can a variable be used for a residue number in a select command?
>
> When I try:
>
> myNum = 112
> select @myNum
>
> Jmol selects zero atoms (in a file where there is a residue 112).
>
> Frieda
>
>
>
> ///////////////////////////////////////////
>
>
> Frieda Reichsman
>
> Molecules in Motion
>
> Interactive Molecular Structures
>
> http://www.moleculesinmotion.com
>
>
> ///////////////////////////////////////////
>
>
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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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