[gmx-users] .trr versus .xtc

David spoel at xray.bmc.uu.se
Mon Feb 17 07:45:13 CET 2003


On Mon, 2003-02-17 at 01:13, Dallas Warren wrote:
> Just wondering if you loose any access to important information by 
> saving/converting your trajectory files as .xtc versus .trr?
> 
> As most people do, I am running into the problem of what to do with the 
> large volume of trajectory files that  I am generating ....

xtc is coordinates/box only, no velocities. It is a lossy compression
algorithm that takes roughly 1/3 of the space of a trr file with only
coordinates. I use it all the time

.
> 
> Catch ya,
> 
> Dr. Dallas Warren
> Research Fellow
> Department of Pharmaceutical Biology and Pharmacology
> Victorian College of Pharmacy
> Monash University
> 381 Royal Parade
> Parkville VIC 3010
> dallas.warren at vcp.monash.edu.au
> +61 3 9903 9076
-- 
Groeten, David.
________________________________________________________________________
Dr. David van der Spoel, 	Dept. of Cell and Molecular Biology
Husargatan 3, Box 596,  	75124 Uppsala, Sweden
phone:	46 18 471 4205		fax: 46 18 511 755
spoel at xray.bmc.uu.se	spoel at gromacs.org   http://xray.bmc.uu.se/~spoel
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