Creative endeavors depend on the lively exchange of ideas. There are laws and customs which establish rights and responsibilities for authors and the users of what authors create. This notice is not intended to prevent you from using the software and documents in this package, but to ensure that there are no misunderstandings about terms and conditions of such use.
Please read the following notice carefully. If you do not understand any portion of this notice, please seek appropriate professional legal advice before making use of the software and documents included in this software package. In addition to whatever other steps you may be obliged to take to respect the intellectual property rights of the various parties involved, if you do make use of the software and documents in this package, please give credit where credit is due by citing this package, its authors and the URL or other source from which you obtained it, or equivalent primary references in the literature with the same authors.
Some of the software and documents included within this software package are the intellectual property of various parties, and placement in this package does not in any way imply that any such rights have in any way been waived or diminished.
With respect to any software or documents for which a copyright exists, ALL RIGHTS ARE RESERVED TO THE OWNERS OF SUCH COPYRIGHT.
Even though the authors of the various documents and software found here have made a good faith effort to ensure that the documents are correct and that the software performs according to its documentation, and we would greatly appreciate hearing of any problems you may encounter, the programs and documents any files created by the programs are provided **AS IS** without any warranty as to correctness, merchantability or fitness for any particular or general use.
THE RESPONSIBILITY FOR ANY ADVERSE CONSEQUENCES FROM THE USE OF PROGRAMS OR DOCUMENTS OR ANY FILE OR FILES CREATED BY USE OF THE PROGRAMS OR DOCUMENTS LIES SOLELY WITH THE USERS OF THE PROGRAMS OR DOCUMENTS OR FILE OR FILES AND NOT WITH AUTHORS OF THE PROGRAMS OR DOCUMENTS.
Subject to your acceptance of the conditions stated above, and your respect for the terms and conditions stated in the notices below, if you are not going to make any modifications or create derived works, you are given permission to freely copy and distribute this package, provided you do the following:
In addition, you may also modify this package and create derived works provided you do the following:
Information in this document is subject to change without notice and does not represent a commitment on the part of the supplier. This package is sold/distributed subject to the condition that it shall not, by way of trade or otherwise, be lent, re-sold, hired out or otherwise circulated without the supplier's prior consent, in any form of packaging or cover other than that in which it was produced. No part of this manual or accompanying software may be reproduced, stored in a retrieval system on optical or magnetic disk, tape or any other medium, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise for any purpose other than the purchaser's personal use.
This product is not to be used in the planning, construction, maintenance, operation or use of any nuclear facility nor the flight, navigation or communication of aircraft or ground support equipment. The author shall not be liable, in whole or in part, for any claims or damages arising from such use, including death, bancruptcy or outbreak of war.
The Crystallographic Information File (CIF) is a standard for information interchange promulgated by the International Union of Crystallography (IUCr). CIF (Hall, Allen & Brown, 1991) is the recommended method for submitting publications to Acta Crystallographica Section C and reports of crystal structure determinations to other sections of Acta Crystallographica and many other journals. The syntax of a CIF is a subset of the more general STAR File format. The CIF and STAR File approaches are used increasingly in the structural sciences for data exchange and archiving, and are having a significant influence on these activities in other fields.
The IUCr's interest in the STAR File is as a general data interchange standard for science, and its interest in the CIF, a conformant derivative of the STAR File, is as a concise data exchange and archival standard for crystallography and structural science.
To protect the STAR File and the CIF as standards for interchanging and archiving electronic data, the IUCr, on behalf of the scientific community,
* holds the copyrights on the standards themselves,
* owns the associated trademarks and service marks, and
* holds a patent on the STAR File.
These intellectual property rights relate solely to the interchange formats, not to the data contained therein, nor to the software used in the generation, access or manipulation of the data.
The sole requirement that the IUCr, in its protective role, imposes on software purporting to process STAR File or CIF data is that the following conditions be met prior to sale or distribution.
* Software claiming to read files written to either the STAR File or the CIF standard must be able to extract the pertinent data from a file conformant to the STAR File syntax, or the CIF syntax, respectively.
* Software claiming to write files in either the STAR File, or the CIF, standard must produce files that are conformant to the STAR File syntax, or the CIF syntax, respectively.
* Software claiming to read definitions from a specific data dictionary approved by the IUCr must be able to extract any pertinent definition which is conformant to the dictionary definition language (DDL) associated with that dictionary.
The IUCr, through its Committee on CIF Standards, will assist any developer to verify that software meets these conformance conditions.
is a data file conformant to the file syntax defined at http://www.iucr.org/iucr-top/cif/spec/index.html
 STAR File:
is a data file conformant to the file syntax defined at http://www.iucr.org/iucr-top/cif/spec/star/index.html
is a language used in a data dictionary to define data items in terms of "attributes". Dictionaries currently approved by the IUCr, and the DDL versions used to construct these dictionaries, are listed at http://www.iucr.org/iucr-top/cif/spec/ddl/index.html
Last modified: 30 September 2000
IUCr Policy Copyright (C) 2000 International Union of Crystallography
The following Diclaimer Notice applies to CBFlib V0.1, from which this code is in part is derived.
Notice 91 02 01
Portions of this software are loosely based on the CIFPARSE software package from the NDB at Rutgers university (see http://ndbserver.rutgers.edu/NDB/mmcif/software). CIFPARSE is part of the NDBQUERY application, a program component of the Nucleic Acid Database Project [ H. M. Berman, W. K. Olson, D. L. Beveridge, J. K. Westbrook, A. Gelbin, T. Demeny, S. H. Shieh, A. R. Srinivasan, and B. Schneider. (1992). The Nucleic Acid Database: A Comprehensive Relational Database of Three-Dimensional Structures of Nucleic Acids. Biophys J., 63, 751-759.], whose cooperation is gratefully acknowledged, especially in the form of design concepts created by J. Westbrook.
Please be aware of the following notice in the CIFPARSE API:
This software is provided WITHOUT WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR ANY OTHER WARRANTY, EXPRESS OR IMPLIED. RUTGERS MAKE NO REPRESENTATION OR WARRANTY THAT THE SOFTWARE WILL NOT INFRINGE ANY PATENT, COPYRIGHT OR OTHER PROPRIETARY RIGHT.