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= Description =
<onlyincludesection begin=description/>
This is the first release of the unstable 1.3 development line. In addition to all the capabilities of [[relax 1.2.10]] the new features of this release include the addition of a unit test framework, preliminary support for PyMOL, the [http://www.nmr-relax.com/manual/structure_write_pdb.html creation of PDB files], the ability to [http://www.nmr-relax.com/manual/pymol_tensor_pdb.html display the diffusion tensor encoded as a PDB file using PyMOL], the ability to display the [http://www.nmr-relax.com/manual/pymol_vector_dist.html distribution of XH bond vectors] used in the analysis via a PDB file, the new user function class 'structure' containing the old user function 'pdb()' which has been split and redesigned, removal of apply(func, args) calls from the minimisation code, improved spin system selection using Boolean operators, and a few other small features, bugfixes, and program changes. As the user function names have been and will continue to be modified please do not expect either the backwards or forwards compatibility of relax scripts written for the 1.3 relax versions.
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= Download =
<section begin=download/>
The new relax versions can be downloaded from http://www.nmr-relax.com/download.html. If binary distributions are not yet available for your platform and you manage to compile the binary modules, please consider contributing these to the relax project (described in section 3.6 of the relax manual, http://www.nmr-relax.com/manual/relax_distribution_archives.html).
<section end=download/>
= CHANGES file =
<section begin=metadata/>
Version 1.3.0
(19 February 2007, from /1.3)
http://svn.gna.org/svn/relax/tags/1.3.0
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== Features ==
<section begin=features/>
* Implementation of the PDB geometric representation of the Brownian rotational diffusion tensor using 'structure.create_diff_tensor_pdb()'.
* Added a sample script for the creation of the PDB representation of the diffusion tensor.
* Addition of the 'structure.create_vector_dist()' user function for creating a PDB representation of the XH bond vectors of selected residues from the structure.
* Addition of the 'pymol.vector_dist()' user function for displaying the PDB representation of the XH vector distribution overlain over the structure within PyMOL.
<section end=features/>
== Changes ==
<section begin=changes/>
* The unmodified Hessian and turning the line search off are now specified by different regular expressions. (see task #3630)
* Splitting of the 'pdb()' user function into 'pdb.read()' and 'pdb.vectors()' (these have been subsequently renamed). (see task #3838)
* The 'pdb' user function class has been renamed to 'structure'.
* The 'init_data()' user function has been renamed to 'reset()'.
<section end=changes/>
== Bugfixes ==
<section begin=bugfixes/>
* Fixed the selection of nucleic acids by name as Scientific python was prefixing 'R' to the single letter codes.
<section end=bugfixes/>
= See also =
[[Category:Release_Notes]]