Dear all How do I measure distance between two COM (centre of mass) of two group of atom. I want to measure the strain of my simulation system. [image: Inline image 3] For that purpose i want to apply following analysis to the initial structure and final structure to measure the distance. "gmx distance -s *.tpr -f *.gro -n index.ndx -oall *.xvg"
Is this process is correct? What else should be the right procedure. I am little bit confused with the output xvg file result. From where how can I measure the distance. -- *Md Imrul Reza Shishir* Master Student *Inha University*
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