Doug,
Setwise logical ANDs and ORs are tricky at first. In this case, you want to
create a new set that contains atoms in a1 *or* a2. There aren't any atoms
that are in both a1 and a2 which is why you're ending up with an empty
object.
create one, a1 or a2
Cheers,
Warren
--
Warren L. DeLano, Ph.D.
Principal Scientist
. DeLano Scientific LLC
. 400 Oyster Point Blvd., Suite 213
. South San Francisco, CA 94080
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> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of
> Douglas Kojetin
> Sent: Thursday, January 20, 2005 11:03 AM
> To: pymol
> Subject: [PyMOL] selection help
>
> Hi All-
>
> I'm having some problems with selection syntax w/ multiple objects.
> I've loaded four different PDB files (in sequence & structure):
>
> load 1.pdb, a1
> load 2.pdb, a2
> load 3.pdb, b1
> load 4.pdb, b2
>
> I wanted to create two new selections:
>
> one = a1 & a2
> two = b1 & b2
>
> I've tried many different combinations of PyMOL selection
> syntax, but I cannot get the objects to add to the same
> selection (using 'create' or
> 'select'):
>
> create one, a1 + a2
> create one, a1 and a2
> create one, object a1 + object a2
> create one, a*
>
> From what I've read in the manual, I think these commands
> are not working because they actually work to select atoms
> that are the same between a1 & a2. The manual says it
> 'selects atoms included in both s1 and s2'.
>
> Any clues or hints?
>
> Thanks,
> Doug
>
>
>
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