[AMBER] Does the "contacts" command of cpptraj implement imaging?

From: Jose Borreguero <borreguero.gmail.com>
Date: Sun, 2 Aug 2015 18:47:19 -0400

Dear AMBER users,

>From the results I'm getting it would seem that the "contacts" command of
cpptraj does not implement imaging. Can anyone please confirm this?

My input script evaluating contact between atom "C" of residues 4124 and
1150:

trajin equil.dcd 5001 5001
1

distance :4124.C :1150.C out
junk.dat

contacts (:4124,1150)&.C distance 7.0 out
junk2.dat
go

quit

I execute as: cpptraj -p pdbfile -i inputScriptFile

The contents of junk.dat:
#Frame Dis_00000
       1 6.0495

The contents of junk2.dat:
#time Contacts native Contacts
      1.00 0 0

There's a discrepance here, since the distance of 6.0495 is well below my
7. 0 cutoff. I should be getting one contact

Best,
-Jose Borreguero
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Received on Sun Aug 02 2015 - 16:00:02 PDT
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