From: Ramin Ekhteiari (
Date: Tue Mar 18 2014 - 08:01:41 CDT

Hi ,

I have a big dcd file, so I would like to remove the water molecules from my dcd file and create a new one by using catdcd, but I think I should create a index file first to do such a thing,.

would you please advise me on how to do this.

Would be grateful for any advice.