[gmx-users] help regarding pull code

[Tawhid Ezaz]

Hi I am trying to understand the pull code with the tutorial i found from here. 

http://www.csc.fi/chem/course/gmx2007/

i have a  confusion about it. 

when i put one atom in the reference group and the other atom in the group_1, doesn't it mean that, the pulling should be in one direction? But the result i am getting, it looks like it is pulled in both way. 

and if I wanted to pull with a group of atom, should I just put the atoms in group_2, group_3, in this manner?

can any one help me with this? 


Thanks in advance.

Tawhid

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