From: John Stone (johns_at_ks.uiuc.edu)
Date: Mon Jun 19 2006 - 15:55:13 CDT

Hi,
  Have you emailed John Mongan about the Python error message you're
getting? This might be a bug in IED itself, since it's complaining
about getting an empty string rather than something much more serious.

  John Stone
  vmd_at_ks.uiuc.edu

On Fri, Jun 16, 2006 at 09:40:23AM +0800, Shulin Zhuang wrote:
> Dear all,
>
> When I use VMD to do interactive essential dynamics(IED:
> http://mccammon.ucsd.edu/ied/),
> I meet with the python library error:
> vmd/lib/vmd/scripts/python/Tkinter.py
> value error: empty string for float()
>
> I use vmd1.84 on IRIX300 and download lib_IRIX6_64.
>
> The detaild error is indicated in the attached picture.
>
> I use ptraj to do the PCA of one of my trajectory. For all atom of the
> protein or for CA atom, I successfully get the first 25 eigenvectors and
> projection file that needed for view in VMD(VMD1.8.4) with IED. I do this on
> IRIX300.
> Unfortunately, I could not project the motion mode. I attache a picture, at
> whose bottom, the error message is underlined in red.
>
> Please give me any suggestions. Great thanks
>
> Best regards
> Shulin
>
> --
> Shulin Zhuang
> Chemistry Department
> Zhejiang University PRC
> shulin.zhuang_at_gmail.com

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
Email: johns_at_ks.uiuc.edu                 Phone: 217-244-3349
  WWW: http://www.ks.uiuc.edu/~johns/      Fax: 217-244-6078