On 9/03/2012 3:40 AM, a a wrote:
Dear Sir/Madam,
I learnt that we can use mdcrd from AMBER directly.
I have used the following commands.
/share1/gromacs/bin/g_covar -s xxx.pdb -f xxx.mdcrd -o -v
An error message was obtained.
Program g_covar, VERSION 4.0.7
Source code file: gmxfio.c, line: 737
Can not open file:
md0.mdcrd.xtc
Did I do anything wrong?
Did you read and follow the link I gave you?
http://www.gromacs.org/Documentation/How-tos/Using_VMD_plugins_to_read_trajectory_formats_not_native_to_GROMACS.
The error you cite means GROMACS did not find your VMD plugins. You
should not need to update GROMACS, per someone else's suggestion.
When asking for help, please copy and paste your full command line.
Details and precision are usually important, though not here.
Mark
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