Re: [gmx-users] grompp doesn't process topology file of a DNA fragment using ffamber ports for gromacs

2007-11-10 Thread David van der Spoel

Mark Abraham wrote:

I installed ffamber ports for gromacs, generated gro and topology
files for a DNA structure with pdb2gmx, a box with editconf and added
solvation with genbox. When I try to run grompp i obtain these errors:


checking input for internal consistency...
calling cpp -traditional...
processing topology...
Generated 2628 of the 2628 non-bonded parameter combinations
Generating 1-4 interactions: fudge = 0.5
Generated 2628 of the 2628 1-4 parameter combinations
ERROR 0 [file gr_Nast.top, line 761]:
  No default Bond types
ERROR 0 [file gr_Nast.top, line 3352]:
  No default Angle types
ERROR 0 [file gr_Nast.top, line 3354]:
  No default Angle types

It seems gromacs don't read ffamber* force field information, however
i using the directive

include = -I\home\jantonioms\Programs\gromacs\share\gromacs\top

in *.mdp file

Can anyone have an idea?


I don't know if it is the cause of the problem, but backslashes are not
usually interpreted as directory  file separators on Unix - unlike
Windows. Use forward slashes. As a first guess, I'd say that cpp is
interpreting your include directive with the backslashes starting escape
sequences for funky meanings, hence failing to find ffamber. That assumes
you've put ffamber in that location, of course! :-)


A simple workaround is to put the amber files in your working directory.


Mark

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--
David.

David van der Spoel, PhD, Assoc. Prof., Molecular Biophysics group,
Dept. of Cell and Molecular Biology, Uppsala University.
Husargatan 3, Box 596,  75124 Uppsala, Sweden
phone:  46 18 471 4205  fax: 46 18 511 755
[EMAIL PROTECTED]   [EMAIL PROTECTED]   http://folding.bmc.uu.se

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[gmx-users] grompp doesn't process topology file of a DNA fragment using ffamber ports for gromacs

2007-11-09 Thread jantonioms J. A. Mondragon S
I installed ffamber ports for gromacs, generated gro and topology
files for a DNA structure with pdb2gmx, a box with editconf and added
solvation with genbox. When I try to run grompp i obtain these errors:


checking input for internal consistency...
calling cpp -traditional...
processing topology...
Generated 2628 of the 2628 non-bonded parameter combinations
Generating 1-4 interactions: fudge = 0.5
Generated 2628 of the 2628 1-4 parameter combinations
ERROR 0 [file gr_Nast.top, line 761]:
  No default Bond types
ERROR 0 [file gr_Nast.top, line 3352]:
  No default Angle types
ERROR 0 [file gr_Nast.top, line 3354]:
  No default Angle types

It seems gromacs don't read ffamber* force field information, however
i using the directive

include = -I\home\jantonioms\Programs\gromacs\share\gromacs\top

in *.mdp file

Can anyone have an idea?

Thanks for help.
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Re: [gmx-users] grompp doesn't process topology file of a DNA fragment using ffamber ports for gromacs

2007-11-09 Thread Mark Abraham
 I installed ffamber ports for gromacs, generated gro and topology
 files for a DNA structure with pdb2gmx, a box with editconf and added
 solvation with genbox. When I try to run grompp i obtain these errors:


 checking input for internal consistency...
 calling cpp -traditional...
 processing topology...
 Generated 2628 of the 2628 non-bonded parameter combinations
 Generating 1-4 interactions: fudge = 0.5
 Generated 2628 of the 2628 1-4 parameter combinations
 ERROR 0 [file gr_Nast.top, line 761]:
   No default Bond types
 ERROR 0 [file gr_Nast.top, line 3352]:
   No default Angle types
 ERROR 0 [file gr_Nast.top, line 3354]:
   No default Angle types

 It seems gromacs don't read ffamber* force field information, however
 i using the directive

 include = -I\home\jantonioms\Programs\gromacs\share\gromacs\top

 in *.mdp file

 Can anyone have an idea?

I don't know if it is the cause of the problem, but backslashes are not
usually interpreted as directory  file separators on Unix - unlike
Windows. Use forward slashes. As a first guess, I'd say that cpp is
interpreting your include directive with the backslashes starting escape
sequences for funky meanings, hence failing to find ffamber. That assumes
you've put ffamber in that location, of course! :-)

Mark

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Re: [gmx-users] grompp doesn't process topology file of a DNA fragment using ffamber ports for gromacs

2007-11-09 Thread jantonioms J. A. Mondragon S
it seems there's a problem with my compiler. I succesfully run grompp
in another computer with
gromacs distribution. I compare and check the two ggc version.

On Nov 9, 2007 7:10 PM, Mark Abraham [EMAIL PROTECTED] wrote:

  I installed ffamber ports for gromacs, generated gro and topology
  files for a DNA structure with pdb2gmx, a box with editconf and added
  solvation with genbox. When I try to run grompp i obtain these errors:
 
 
  checking input for internal consistency...
  calling cpp -traditional...
  processing topology...
  Generated 2628 of the 2628 non-bonded parameter combinations
  Generating 1-4 interactions: fudge = 0.5
  Generated 2628 of the 2628 1-4 parameter combinations
  ERROR 0 [file gr_Nast.top, line 761]:
No default Bond types
  ERROR 0 [file gr_Nast.top, line 3352]:
No default Angle types
  ERROR 0 [file gr_Nast.top, line 3354]:
No default Angle types
 
  It seems gromacs don't read ffamber* force field information, however
  i using the directive
 
  include = -I\home\jantonioms\Programs\gromacs\share\gromacs\top
 
  in *.mdp file
 
  Can anyone have an idea?

 I don't know if it is the cause of the problem, but backslashes are not
 usually interpreted as directory  file separators on Unix - unlike
 Windows. Use forward slashes. As a first guess, I'd say that cpp is
 interpreting your include directive with the backslashes starting escape
 sequences for funky meanings, hence failing to find ffamber. That assumes
 you've put ffamber in that location, of course! :-)

 Mark

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