[Chimera-users] Problem: Electrostatic surface coloring

[Elaine Meng]

Hi Nitesh,
I agree completely with Tom, and would only add that the DelPhi ESP map format (*.phi file) that Chimera reads is from the academic version of DelPhi obtained from the Honig group, as mentioned here:
<http://www.cgl.ucsf.edu/chimera/docs/UsersGuide/filetypes.html#esp>

I don't know if this is still true, but at least at some point in the past there was a commercial version of DelPhi that worked with the Insight program, and that may create a different format of ESP map that Chimera does not read.
Best,
Elaine
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Elaine C. Meng, Ph.D.                       
UCSF Computer Graphics Lab (Chimera team) and Babbitt Lab
Department of Pharmaceutical Chemistry
University of California, San Francisco

On Sep 24, 2010, at 6:13 PM, Tom Goddard wrote:

> Hi Nitesh,
> I don't use DelPhi so I don't know if your function calls are right.  I am sure that the file you sent has totally different record sizes than those documented for the *.phi file format.  Could your file actually be a surface file rather than an electrostatic     grid?  These questions about whether you are using DelPhi correctly or why the record structure of your *.phi file does not match the documented file format are best answered by DelPhi experts rather than the Chimera developers.  Let me know what you find out.
>      Tom

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