Re: [AMBER] failed to visualize trajectories in vmd.

From: Saman Yousuf ali <saman.yousufali64.yahoo.com>
Date: Mon, 2 Jan 2017 15:46:31 +0000 (UTC)

Okay, I have finally tried to re-image my unzipped file, input script and result is pasted below

gunzip -9  *.gz
reimage.in========parm file.prmtop
trajin md_simulation1.mdcrd
trajin md_simulation2.mdcrd
center :1-672 mass origin
image origin familiar
trajout md_simulation1-2ns.mdcrd
output=======zuh.node15:~/Working/test-md/prod> cpptraj -i reimage.in

CPPTRAJ: Trajectory Analysis. V15.00
    ___  ___  ___  ___
     | \/ | \/ | \/ |
    _|_/\_|_/\_|_/\_|_

| Date/time: 01/03/17  04:34:20
| Available memory: 4129.16 MB

INPUT: Reading Input from file reimage.in
  [parm ../file.prmtop]
        Reading '../file.prmtop' as Amber Topology
  [trajin md_simulation1.mdcrd]
        Reading 'md_simulation1.mdcrd' as Amber NetCDF
  [trajin md_simulation2.mdcrd]
        Reading 'md_simulation2.mdcrd' as Amber NetCDF
  [center :1-672 mass origin]
    CENTER: Centering coordinates using center of mass of atoms in mask (:1-672) to
        coordinate origin.
  [image origin familiar]
    IMAGE: By molecule to origin based on first atom position using atoms in mask *
           Triclinic On, familiar shape.
  [trajout md_simulation1-2ns.mdcrd]
Warning: Format not specified and extension '.mdcrd' not recognized. Defaulting to Amber Trajectory.
        Writing 'md_simulation1-2ns.mdcrd' as Amber Trajectory---------- RUN BEGIN -------------------------------------------------

PARAMETER FILES:
 0: '4KIK-KSA.prmtop', 186986 atoms, 59360 res, box: Orthogonal, 58690 mol, 58680 solvent, 2000 frames

INPUT TRAJECTORIES:
 0: 'md_simulation1.mdcrd' is a NetCDF AMBER trajectory, Parm file.prmtop (Orthogonal box) (reading 1000 of 1000)
 1: 'md_simulation2.mdcrd' is a NetCDF AMBER trajectory, Parm file.prmtop (Orthogonal box) (reading 1000 of 1000)
  Coordinate processing will occur on 2000 frames.

OUTPUT TRAJECTORIES:
  'md_simulation1-2ns.mdcrd' is an AMBER trajectory, Parm file.prmtop: Writing 2000 frames (1-Last, 1)
TIME: Run Initialization took 0.0001 seconds.

BEGIN TRAJECTORY PROCESSING:
.....................................................
ACTION SETUP FOR PARM 'file.prmtop' (2 actions):
  0: [center :1-672 mass origin]
        Mask [:1-672] corresponds to 10938 atoms.
  1: [image origin familiar]
        Number of molecules to be imaged is 58690 based on mask '*'
----- md_simulation1.mdcrd (1-1000, 1) -----
 0% 10% 20% 30% 40% 50% 60% 70% 80% 90%100% Complete.----- md_simulation2.mdcrd (1-1000, 1) ----- 0% 10% 20% 30% 40% 50% 60% 70% 80% 90%100% Complete To avoid this error in future,Can you please explain me the exact problem?
 

    On Monday, January 2, 2017 7:32 AM, Saman Yousuf ali <saman.yousufali64.yahoo.com> wrote:
 

 Yes, I am sure. It was mdcrd.gz (binary file) and I have unzip this file using gunzip -9 md_simulation1.mdcrd.gz command. 
 

    On Monday, January 2, 2017 7:20 AM, David Case <david.case.rutgers.edu> wrote:
 

 On Mon, Jan 02, 2017, Saman Yousuf ali wrote:

>   [trajin md_simulation1.mdcrd.gz]
> Error: Could not determine trajectory md_simulation1.mdcrd.gz format.

Something is wrong with your trajin file.  How did you create it?  Are you
sure it is indeed a gzipped file? (Try using 'gunzip' on this file).

There is something wrong with this file (since both VMD and cpptraj cannot
process it), but it is going to be difficult to debug the problem remotely.

....dac



   

   
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Received on Mon Jan 02 2017 - 08:00:03 PST
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