Dear Amber community, 
I have recently generated grid files for solvent and ion density 
distribution for a trajectory file using the "grid" function of PTRAJ,
and have used Midas to succesfully view the files. 
My question involves the correlation between contour levels and true 
density. How does one determine what each contour level refers to in 
terms of atom density? Is there a function that would allow the 
visualization of, for example, a specific number of ions per volume? 
Thanks for any input on this matter,
Joe
email: jtoporowski.chem.ucsb.edu
phone: x7158
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Received on Fri Mar 18 2005 - 01:53:01 PST