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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 ==
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== Download ==
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== CHANGES file ==
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=== Features ===
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* 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. ([https://{{gna.org/task/?link|4002 task #4002]}})
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=== Changes ===
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* [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]. ([https://{{gna.org/task/?#link|3781 task #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. ([https://{{gna.org/task/?link|3630 task #3630]}})
* Optimisation tests have been added to the test suite.
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=== Bugfixes ===
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* Model selection between the global diffusion models no longer fails if all residues of the local 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 D<sub>a</sub> and 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], [https://{{gna.org/task/?link|3621 task #3621]}})
* The [http://www.nmr-relax.com/manual/NOE_script_mode_the_NOE_calculation.html σ<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])
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== Links ==
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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]
* [https://{{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]
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== 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]]