Wow, good catch, Paul. That's a bug.
This is an ancient feature of RasMol that was incorporated into Jmol that *a
is the same as :a. Turns out, though, Jmol recognizes that only if the chain
letter is not also an atom property, and these include specifically x, y,
and z. In the case of atom properties, that would turn the select into an
extended" select, such as:
select {*} (y < x)
So what you were actually doing there was the extended search:
select {*} (y)
meaning "select all atoms such that their y coordinate is not 0"
Fixed for Jmol 12.1.40 and 12.0.37
Bob
On Wed, Mar 16, 2011 at 5:04 PM, Paul Pillot <
[email protected]> wrote:
> Dear Jmolers,
> I came to realize an unsuspected (at least to me) behavior :
> - I used to code a chain select script this way : "select *a" to select
> chain a
> - with PDB file 1FDL, when my program tried to select the Y chain, the
> command "select *y" selected all the atoms.
> - I tried with other PDB files, even without Y chains, and it gave the same
> result. Same is achieved with select *x and select *z
>
> I suspect this is a feature and I should use "select :y" instead ?
>
> -Paul
>
>
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--
Robert M. Hanson
Professor of Chemistry
St. Olaf College
1520 St. Olaf Ave.
Northfield, MN 55057
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-- Josiah Willard Gibbs, Lecture XXX, Monday, February 5, 1900
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