| 1 |
/********************************************************************** |
| 2 |
Copyright (C) 1998-2001 by OpenEye Scientific Software, Inc. |
| 3 |
Some portions Copyright (C) 2001-2005 by Geoffrey R. Hutchison |
| 4 |
Some portions Copyright (C) 2004 by Chris Morley |
| 5 |
|
| 6 |
This program is free software; you can redistribute it and/or modify |
| 7 |
it under the terms of the GNU General Public License as published by |
| 8 |
the Free Software Foundation version 2 of the License. |
| 9 |
|
| 10 |
This program is distributed in the hope that it will be useful, |
| 11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 |
GNU General Public License for more details. |
| 14 |
***********************************************************************/ |
| 15 |
|
| 16 |
/* contributed by Walter Scott (wscott@igc.phys.chem.ethz.ch) |
| 17 |
|
| 18 |
(Actually the routine was copied from write_xyz and and write_pdb and |
| 19 |
then modified...) |
| 20 |
|
| 21 |
This is a small routine to write a GROMOS96 formatted |
| 22 |
"position coordinate block" (POSITION) or a |
| 23 |
"reduced position coordinate block" (POSITIONRED) |
| 24 |
The former has name information (atom and residue names) while |
| 25 |
the latter only has coordinates. |
| 26 |
This version does not support the writing of binary |
| 27 |
GROMOS files. |
| 28 |
|
| 29 |
NOTE 1: the actual formats used in writing out the coordinates |
| 30 |
do not matter, as GROMOS96 uses free formatted reads. |
| 31 |
Each line may not be longer than 80 characters. |
| 32 |
|
| 33 |
(Note, however, in the POSITION block, the first 24 (twenty four) |
| 34 |
character on each line are ignored when the line is read in by GROMOS) |
| 35 |
Comments lines, beginning with hash (#) may occur within a block and are |
| 36 |
used as delimiters for easier reading. |
| 37 |
|
| 38 |
NOTE 2: Many programs specify the units of the coordinates (e.g. Angstrom). |
| 39 |
GROMOS96 does NOT, as all physical constants, from K_B to EPS are |
| 40 |
NOT hardwired into the code, but specified by the user. |
| 41 |
This allows some (mostly Americans) to use GROMOS96 in KCal and |
| 42 |
Angstrom and the rest of us to use kJoule and nm. |
| 43 |
It also makes it easy to use reduced units. |
| 44 |
|
| 45 |
We get around this by supplying a routine, wr_sco_gr96, which |
| 46 |
will scale the coordinates by a factor before writing. |
| 47 |
This routine is then called with the factor set to 1.0 in |
| 48 |
write_gr96A, or to 0.1 in write_gr96N depending on the users choice. |
| 49 |
Thus, we always assume that we have read coordinates in Angstrom. |
| 50 |
*** But now handled by a command line option in new framework. |
| 51 |
*/ |
| 52 |
|
| 53 |
#ifndef OB_GROMOS96FORMAT_HPP |
| 54 |
#define OB_GROMOS96FORMAT_HPP |
| 55 |
|
| 56 |
#include "mol.hpp" |
| 57 |
#include "obconversion.hpp" |
| 58 |
|
| 59 |
using namespace std; |
| 60 |
namespace OpenBabel |
| 61 |
{ |
| 62 |
|
| 63 |
class GROMOS96Format : public OBFormat |
| 64 |
{ |
| 65 |
public: |
| 66 |
//Register this format type ID |
| 67 |
GROMOS96Format() |
| 68 |
{ |
| 69 |
OBConversion::RegisterFormat("gr96",this); |
| 70 |
} |
| 71 |
|
| 72 |
virtual const char* Description() //required |
| 73 |
{ |
| 74 |
return |
| 75 |
"GROMOS96 format\n \ |
| 76 |
Write Options e.g. -xn\n\ |
| 77 |
n output nm (not Angstroms)\n"; |
| 78 |
}; |
| 79 |
|
| 80 |
virtual const char* SpecificationURL() |
| 81 |
{ |
| 82 |
return ""; |
| 83 |
}; //optional |
| 84 |
|
| 85 |
//Flags() can return be any the following combined by | or be omitted if none apply |
| 86 |
// NOTREADABLE READONEONLY NOTWRITABLE WRITEONEONLY |
| 87 |
virtual unsigned int Flags() |
| 88 |
{ |
| 89 |
return NOTREADABLE | WRITEONEONLY; |
| 90 |
}; |
| 91 |
|
| 92 |
//////////////////////////////////////////////////// |
| 93 |
/// The "API" interface functions |
| 94 |
virtual bool WriteMolecule(OBBase* pOb, OBConversion* pConv); |
| 95 |
|
| 96 |
//////////////////////////////////////////////////// |
| 97 |
/// The "Convert" interface functions |
| 98 |
virtual bool WriteChemObject(OBConversion* pConv) |
| 99 |
{ |
| 100 |
//Retrieve the target OBMol |
| 101 |
OBBase* pOb = pConv->GetChemObject(); |
| 102 |
OBMol* pmol = dynamic_cast<OBMol*> (pOb); |
| 103 |
bool ret=false; |
| 104 |
if(pmol) |
| 105 |
ret=WriteMolecule(pmol,pConv); |
| 106 |
|
| 107 |
std::string auditMsg = "OpenBabel::Write molecule "; |
| 108 |
std::string description(Description()); |
| 109 |
auditMsg += description.substr( 0, description.find('\n') ); |
| 110 |
obErrorLog.ThrowError(__FUNCTION__, |
| 111 |
auditMsg, |
| 112 |
obAuditMsg); |
| 113 |
|
| 114 |
delete pOb; |
| 115 |
return ret; |
| 116 |
}; |
| 117 |
}; |
| 118 |
} |
| 119 |
#endif |