loadtotalforces error

From: Pijush Ghosh (pijush.medinipur_at_gmail.com)
Date: Mon Nov 12 2007 - 19:14:25 CST

Hello all:
 I posted this problem earlier and Victor suggested me the follwoing
script for finding forces on individual atom(s). This script is
working fine for Victor but showing the following error for me. Can
anybody comment on what could be the possible reasons for this error.
The 'loadcoords' command is working fine, but problem is with
'loadtotalforces' command

tclForces on
tclForcesScript {
        set aid1 323
        addatom $aid1
        proc calcforces {} {
        global aid1
       # loadcoords r
       # print "The coordinates of atom $aid1 are: $r($aid1)"
        loadtotalforces f
        set timestep [getstep];
        if { ($timestep > 0) } { print $f($aid1)}

ERROR !!!!

FATAL ERROR: wrong # args
   while executing
 "getstep"
    (procedure "calcforces" line 5)
    invoked from within
 "calcforces"
 ------------- Processor 0 Exiting: Called CmiAbort ------------
 Reason: FATAL ERROR: wrong # args
     while executing
 "getstep"
     (procedure "calcforces" line 5)
     invoked from within
 "calcforces"

 Charm++ fatal error:
 FATAL ERROR: wrong # args
     while executing
 "getstep"
     (procedure "calcforces" line 5)
     invoked from within
 "calcforces"

Aborted

Pijush,
Johns Hopkins University.

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