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{{infobox relax release| version = 1.2.8| prev = 1.2.7| next = 1.2.9| keywords = Model-free analysis| type = Major bugfix| date = 4 November 2006}} == Description ==
<section begin=description/>
This is a major bug fix release. A number of important bugs have been fixed including the failure of model selection between global diffusion models when using the local tm τ<sub>m</sub> models ([https://gna.org/bugs/?7616 bug #7616]), the failure of model elimination when the model '[[m0' ]] is used ([https://gna.org/bugs/?7226 bug #7226]), and the failure in the reading of old model-free results files from relax versions prior to [[relax 1.2.5|1.2.5]] ([https://gna.org/bugs/?7587 bug #7587]). Additional bug fixes are detailed below. New features include preliminary support for RNA/DNA data and support for the [http://www.nmr-relax.com/manual/grace_write.html grace.write user function] for reduced spectral density mapping.
<section end=description/>
== Download ==
<section begin=download/>
<section end=download/>
== CHANGES file ==
<section begin=metadata/>
Version 1.2.8<br/>(4 November 2006, from /1.2)<br/>
http://svn.gna.org/svn/relax/tags/1.2.8
<section end=metadata/>
=== Features ===
<section begin=features/>
* Preliminary support for RNA/DNA. ([https://gna.org/bugs/?7241 bug #7241])
* Significant improvements to the SCons build system (see 'scons --help').
* Expansion and improvement of the [http://www.nmr-relax.com/manual/relax_development.html relax development chapter].
* The [http://www.nmr-relax.com/manual/grace_write.html grace.write user function] works with reduced spectral density mapping. ({{gna task #link|4002}})
<section end=features/>
=== Changes ===
<section begin=changes/>
* [http://www.nmr-relax.com/manual/Installation_on_MS_Windows.html MS Windows installation instructions have been added to the manual].* The [http://www.nmr-relax.com/api/1.2/errors.RelaxWarnings-class.html RelaxWarning system ] has been added to standardise warning messages.* The [http://www.nmr-relax.com/manual/test_suite.html relax manual now describes the test suite]. ({{gna task #link|3781}})
* The <sup>15</sup>N CSA values in the sample scripts are now all -172 ppm.
* The ambiguity cased by supplying the option 'None' together with Newton optimisation has been resolved in the documentation. ({{gna task #link|3630}})
* Optimisation tests have been added to the test suite.
<section end=changes/>
=== Bugfixes ===
<section begin=bugfixes/>
* Model selection between the global diffusion models no longer fails if all residues of the local tm τ<sub>m</sub> models have been deselected by model elimination. ([https://gna.org/bugs/?7192 bug #7192])* The 'angles.py' sample script no longer fails when residue specific relaxation data is missing (corrupt input data). ([https://gna.org/bugs/?7224 bug #7224])* Prior to executing [[Modelfree4]], [[Dasha]], [[Molmol]], [[Grace]], or [[OpenDX]], tests are run to determine if the binary exists, is executable, and is in the system path. ([https://gna.org/bugs/?7225 bug #7225])* Model elimination when using the model-free model '[[m0' ]] no longer fails. ([https://gna.org/bugs/?7226 bug #7226])* The strict checking of the Da D<sub>a</sub> and Dr D<sub>r</sub> diffusion tensor parameters has been relaxed to allow for optimisation imprecision. ([https://gna.org/bugs/?7297 bug #7297])* The reading of [[Modelfree4 ]] mfout results files no longer fails when residue specific relaxation data is missing (corrupt input data). ([https://gna.org/bugs/?7277 bug #7277])* If optimisation returns an infinite value or a NaN value, these are now caught and a RelaxError thrown. ([https://gna.org/bugs/?6503 bug #6503], {{gna task #link|3621}})* The [http://www.nmr-relax.com/manual/NOE_script_mode_the_NOE_calculation.html &sigma(;<sub>NOE) </sub> equations of Chapter 8 of the manual ] have been fixed. ([https://gna.org/bugs/?7402 bug #7402])* Files containing relaxation data not consisting of exactly 4 columns will now be read. ([https://gna.org/bugs/?7583 bug #7583])* Model-free results files from relax versions prior to [[relax 1.2.5|1.2.5 ]] are now properly read. ([https://gna.org/bugs/?7587 bug #7587])* Model selection between the global diffusion models does not fail when the local tm τ<sub>m</sub> models are included. ([https://gna.org/bugs/?7616 bug #7616])
<section end=bugfixes/>
== Links == <section begin=links/>For reference, the following links are also part of the announcement for this release:* [http://wiki.nmr-relax.com/Relax_1.2.8 Official release notes]* {{gna link|url=gna.org/forum/forum.php?forum_id=1373|text=Gna! news item}}* [http://article.gmane.org/gmane.science.nmr.relax.announce/13 Gmane]* [http://www.mail-archive.com/relax-announce%40gna.org/msg00005.html Mail archive]* [https://mail.gna.org/public/relax-announce/2006-11/msg00000.html Local archives]* [http://marc.info/?l=relax-announce&m=135070664524996&w=2 MARC]<section end=links/> == Announcements ==
{{:relax release announcements}}
== See also ==
* [http://www.nmr-relax.com/api/1.2/ The relax 1.2 API documentation]
{{:relax release see also}}
[[Category:Documentation]]