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* Renamed the replicate title finding script.
* Removed the duplicate LaTeX title finding shell script. This is now handled by the far more advanced Python script.
* The Scons compilation of the PDF and HTML manuals now checks for replicated titles. A new [http://www.nmr-relax.com/api/4.0/scons.manuals-module.html#replicate_title_check replicate_title_check target ] has been added to the scons scripts. This calls the find() method of the replicate LaTeX title finding script to determine if any titles are replicated, and if so the scons target returns with a sys.exit(1) call. This target is set at the start of the user_manual_pdf, user_manual_pdf_nofetch, user_manual_html, user_manual_html_nofetch scons targets. The result is that the manual cannot be compiled if replicate titles exist, forcing the titles to be changed. The result will be that the [http://www.nmr-relax.com/manual/ HTML pages] will all be unique, as replicated titles results in only one HTML page being created for all the sections.
* Elimination of replicated titles in the LaTeX sources that the new frame order chapters introduced.
* Removal of an old replicated title in the LaTeX sources for the manual. This is the title 'Model-free analysis' which is used for the entire specific analysis chapter as well as for the model-free analysis section of the values, gradients, and Hessians for optimisation chapter.
* Fixes and improved printouts for the [http://www.nmr-relax.com/api/4.0/scons.manuals-module.html#replicate_title_check replicate_title_check scons target].* Updated all of relax to protect against future changes occurring in the numpy Python package. From numpy version 1.9, the FutureWarning "__main__:1: FutureWarning: comparison to `None` will result in an elementwise object comparison in the future." is seen in a large percentage of all relax's user functions. This is caught and turned into a RelaxWarning with the same message. The issue is that the behaviour of the comparison operators '==' and '!=' will change with future numpy versions. These have been replaced with 'is' and 'is not' throughout the relax code base. Changes have also been made to the [[minfx ]] and [[bmrblib ]] packages to match.* More future protection against numpy changes. The FutureWarning is "`rank` is deprecated; use the `ndim` attribute or function instead. To find the rank of a matrix see `numpy.linalg.matrix_rank`." Therefore the [http://www.nmr-relax.com/api/4.0/target_functions.n_state_model.N_state_opt-class.html#paramag_info N-state model target function method paramag_info() ] has been updated to use the .ndim attribute and longer use numpy.rank() function.* Created the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.model_free.Mf-class.html#test_bug_23933_relax_data_read_ids Mf.test_bug_23933_relax_data_read_ids system test]. This is designed to catch [https://gna.org/bugs/?23933 bug #23933], the "NameError: global name 'ids' is not defined" problem when loading relaxation data. A truncated version of the PDB file and relaxation data, the full versions of which are attached to the bug report, consisting solely of residues 329, 330, and 331 have been added to the test suite shared data directories, and the system test written to catch the NameError.* Updated the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.model_free.Mf-class.html#test_bug_23933_relax_data_read_ids Mf.test_bug_23933_relax_data_read_ids system test ] to catch the RelaxMultiSpinIDError. This allows the system test to pass, as a RelaxMultiSpinIDError is expected.* Updated the [[minfx ]] and [[bmrblib ]] versions in the release checklist document to 1.0.12 and 1.0.4. This is to remove the numpy FutureWarning messages about the '== None' and '=! None' comparisons to numpy data structures, which in the future will change in behaviour.
* Increased the Gna! news item sectioning depth in the release checklist document.
* Expanded the description of the [http://www.nmr-relax.com/manual/sequence_attach_protons.html sequence.attach_protons user function]. This follows from http://thread.gmane.org/gmane.science.nmr.relax.user/1849/focus=1855.
* Added initial data for testing data from Paul Schanda. This will demonstrate that there are several possibilities to enhance the {{:R2eff}} point method.
* Added the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.relax_disp.Relax_disp-class.html#test_paul_schanda_nov_2015 Relax_disp.test_paul_schanda_nov_2015 system test]. This will catch the loaning of "nan" values.
* Made additional check in sequence reading, that "nan" values are skipped.
* Making sure that the replicated 4000 Hz point fpr the 950 MHz experiment is not overwritten.
* In the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.relax_disp.Relax_disp-class.html#test_paul_schanda_nov_2015 Relax_disp.test_paul_schanda_nov_2015 system test], added a test of counting the {{:R2eff}} values. This shows that the replicated {{:R2eff}} at 950 MHz/4000 Hz point is overwritten. A solution could be to change the dispersion frequency very little, to allow the addition of the data point.* Expanded a comment about why 1 is subtracted in a test.* Added further tests to [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.relax_disp.Relax_disp-class.html#test_paul_schanda_nov_2015 Relax_disp.test_paul_schanda_nov_2015]. This will show that replicates of {{:R2eff}} values is not handled well.* In the [http://www.nmr-relax.com/api/4.0/specific_analyses.relax_disp.data-module.html#r2eff_read function of r2eff_read, in data module of the dispersion], added the possibilities to read {{:R2eff}} values which are replicated. This is done first checking if the dispersion key exists in the {{:R2eff}} dictionary. If it exists, continue add 0.001 to the frequency until a new possibility exists. This should help handle multiple {{:R2eff}} points, as separate values and not taking any decision to average them.
* Added the expectation of raising an relax error, if trying to plot and no model information is stored.
* Raising an error if plotting dispersion curves, and no model is saved.
* Changed example script for analysing data.
* Extended the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.relax_disp.Relax_disp-class.html#test_paul_schanda_nov_2015 Relax_disp.test_paul_schanda_nov_2015 system test ] to include auto-analysis and clustered fits. This should show that the analysis is now possible.
* Added a temporary state and a script for GUI setup to the data Paul Schanda.
* Added the [http://www.nmr-relax.com/api/4.0/test_suite.gui_tests.relax_disp.Relax_disp-class.html#test_paul_schanda_nov_2015 Relax_disp.test_paul_schanda_nov_2015 GUI test]. This will show that loading a state will create a problem. Traceback (most recent call last): TypeError: int() argument must be a string or a number, not 'NoneType'.* Added a sample script for back-calculating relaxation data from a model-free results file. This is useful when the results file is not the final model, as these results file do not contain the back-calculated data. This is in response to Christina Möller's [https://gna.org/support/?3303 sr support request #3303] support request.* Using [http://www.nmr-relax.com/api/4.0/lib.float-module.html#isNaN Gary's lib.float.isNaN() ] instead of math.isnan(), to have backwards compatibility with python 2.5.* Fix for spelling mistake and documenting the new behavior of [http://www.nmr-relax.com/manual/relax_disp_r2eff_read.html relax_disp.r2eff_read()], when reading {{:R2eff}} points with the same frequency. If the spin-container already contain {{:R2eff}} values with the 'frequency of the CPMG pulse' or 'spin-lock field strength', the frequency will be changed by a infinitesimal small value of + 0.001 Hz. This allow for duplicates or more of the same frequency.
* Modified the internal structural object to be less influenced by the format of the PDB. The PDB serial number is now intelligently handled, in that it is reset to 1 when a new model is created. This information is still kept for supporting the logic of the reading of the CONECT records, and will be eliminated in the future. The chain ID information is now no longer stored in the internal structural object, as this information is recreated by the [http://www.nmr-relax.com/manual/structure_write_pdb.html structure.write_pdb user function] based on how the internal structural object has been created.
* Updates to the Noe and Structure system test classes for the internal structural object changes. The serial number can now be reset, and the chain ID information is no longer stored.
* Added a file to the test suite shared data to help implement the PCA structural analysis. This is the N-domain of the CaM-IQ complex used in a frame order analysis. It is the first 5 structures from a call to the [http://www.nmr-relax.com/manual/frame_order_distribute.html frame_order.distribute user function], with the different rigid-bodies merged back together into a single molecule.
* Created the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function] front end. This is currently modelled on the [http://www.nmr-relax.com/manual/structure_rmsd.html structure.rmsd user function] framework.
* Basic implementation of the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function] back end. This is the new [http://www.nmr-relax.com/api/4.0/pipe_control.structure.main-module.html#pca pca() function ] of the [http://www.nmr-relax.com/api/4.0/pipe_control.structure.main -module.html pipe_control.structure.main module]. It simply performs some checks, assembles the atomic coordinates, and the passes control to the [http://www.nmr-relax.com/api/4.0/lib.structure.pca-module.html#pca_analysis relax library pca_analysis() function ] of the currently unimplemented [http://www.nmr-relax.com/api/4.0/lib.structure.pca-module.html lib.structure.pca module].* Partial implemented of the PCA analysis in the relax library. This is for the new [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function]. The [http://www.nmr-relax.com/api/4.0/lib.structure.pca -module .html lib.structure.pca module] has been created, and the [http://www.nmr-relax.com/api/4.0/lib.structure.pca-module.html#pca_analysis pca_analysis() function ] created to calculate the structure covariance matrix, via the covariance[http://www.nmr-relax.com/api/4.0/lib.structure.pca-module.html#calc_covariance_matrix calc_covariance_matrix() function], and then calculate the eigenvalues and eigenvectors of the covariance matrix, sorting them and truncating to the desired number of PCA modes.
* Added the 'algorithm' and 'num_modes' arguments to the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function]. These are passed all the way into the relax library backend.
* Implemented the SVD algorithm for the PCA analysis in the relax library. This simply calls numpy.linalg.svd().
* The PCA analysis in the relax library now calculates the per structure projections along the PCs.
* The PCA analysis function in the relax library is now returning data. This includes the PCA values and vectors, and the per structure projections.
* The PCA values and vectors, and the per structure projections are now being stored. This is in the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function] backend in the [http://www.nmr-relax.com/api/4.0/pipe_control.structure.main-module.html pipe_control.structure.main module].
* Added the 'format' and 'dir' arguments to the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function]. This is to the front and back ends.
* Modified the [http://www.nmr-relax.com/api/4.0/pipe_control.structure.main-module.html#assemble_structural_coordinates assemble_structural_coordinates() method ] to return more information. This is from the [http://www.nmr-relax.com/api/4.0/pipe_control.structure.main-module.html pipe_control.structure.main module]. The 'lists' boolean argument is now accepted which will cause the function to additionally return the object ID list per molecule, the model number list per molecule, and the molecule name list per molecule.
* The [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function] now creates graphs of the PC projections. This includes PC1 vs. PC2, PC2 vs. PC3, etc.
* Added the Gromacs PCA results for the distribution.pdb file. This includes a script used to execute all parts of Gromacs and all output files.
* Updated the Gromacs PCA results for the newest Gromacs version (5.1.1).
* Created an initial [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.structure.Structure-class.html#test_pca Structure.test_pca system test]. This executes the new [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function], and checks if data is stored in cdp.structure.
* Improved the graphs in the backend of the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function]. The graphs are now clustered so that different models of the same structure in the same data pipe are within one graph set. The graph header has also been improved.
* Expanded the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.structure.Structure-class.html#test_pca Structure.test_pca system test ] checks to compare to the values from Gromacs.* A weighted mean structure can now be calculated. This is for the [http://www.nmr-relax.com/api/4.0/lib.structure.statistics-module.html#calc_mean_structure calc_mean_structure() function ] of the [http://www.nmr-relax.com/api/4.0/lib.structure.statistics-module.html relax library module lib.structure.statistics]. Weights can now be supplied for each structure to allow for a weighted mean to be calculated and returned.* Added support for 'observer' structures in the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function]. This allows a subset of the structures used in the PC analysis to have zero weight so that these structures can be used for comparison purposes. The obs_pipes, obs_models, and obs_molecules arguments have been added to the user function front end. The backend uses this to create an array of weights for each structure. And the [http://www.nmr-relax.com/api/4.0/lib.structure.pca-module.html lib.structure.pca functions ] use the zero weights to remove the observer structures from the PC mode calculations.* Created the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.structure.Structure-class.html#test_pca_observers Structure.test_pca_observers system test]. This is for testing the new observer structures concept of the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function].* Improved the printouts from the relax library principle component analysis. This is in the [http://www.nmr-relax.com/api/4.0/lib.structure.pca-module.html#pca_analysis pca_analysis() function ] of the [http://www.nmr-relax.com/api/4.0/lib.structure.pca -module.html lib.structure.pca module].
* Fixes and improvements for the graphs produced by the [http://www.nmr-relax.com/manual/structure_pca.html structure.pca user function]. The different sets are now correctly created, and are now labelled in the plots.
* Adding a testing deploy script, for rapid deployment on Google Cloud Computing. This is for an intended install in Ubuntu 14.04 LTS.
* Fix for small spin ID error in tutorial script.
* Created a system test for catching [https://gna.org/bugs/?24131 bug #24131]. This is the BMRB export failure when the SpinContainer object has no {{:S2}} attribute, as reported by Martin Ballaschk.
* Modified the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.model_free.Mf-class.html#test_bug_24131_bmrb_deposition Mf.test_bug_24131_bmrb_deposition system test ] to check for the RelaxError. The test results in a RelaxError, as the results file contains no selected spins.* Added the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.model_free.Mf-class.html#test_bug_24131_missing_interaction Mf.test_bug_24131_missing_interaction system test ] to catch another problem. This is part of [https://gna.org/bugs/?24131 bug #24131], the BMRB export failure with the SpinContainer object having no {{:S2}} value. However the previous fix of skipping deselected spins introduced a new problem of relax still searching for the interatomic interactions for that deselected spin.
<section end=changes/>
<section begin=bugfixes/>
* Replicated titles in the HTML version of the relax manual ([http://www.nmr-relax.com/manual/index.html)HTML version of the relax manual], and hence replicated HTML file names overwriting earlier sections, have been eliminated.
* Fix for [https://gna.org/bugs/?23933 bug #23933]. This is the "NameError: global name 'ids' is not defined" problem when loading relaxation data. The bug was introduced back in November 2014, and is due to some incomplete error handling code. The problem is that the spin type that the relaxation data belongs to (@N vs. @H) has not been specified. Now the correct RelaxMultiSpinIDError is raised. The 'ids' variable did not exist - it was code that was planned to be added, but never was and was forgotten.
* Fix for the CSA constant equation in the model-free chapter of the manual. This was spotted by [https://mail-archive.com/relax-users%40gna.org/msg01776.html Christina Möller and reported on the relax-users mailing list].
* Bug fix for the storage of the XML structural object in the state and results files. Previously any objects added to cdp.structure (or any structure object) would not be saved by the [http://www.nmr-relax.com/api/4.0/lib.structure.internal.object.Internal-class.html#to_xml structural object to_xml() method ] unless the function is explicitly modified to store that object. Now all objects present will be converted to XML.* Fix for the relaxation dispersion analysis in the GUI, as caught by the [http://www.nmr-relax.com/api/4.0/test_suite.gui_tests.relax_disp.Relax_disp-class.html#test_paul_schanda_nov_2015 Relax_disp.test_paul_schanda_nov_2015 GUI test]. When loading from a script state file, the value of "None" can be present. This is now set to the standard values.* Fix for running relax at a server with no graphical display and using matplotlib. The error was found with the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.relax_disp.Relax_disp-class.html#test_repeat_cpmg Relax_disp.test_repeat_cpmg system test]. And the error generated was: "QXcbConnection: Could not connect to display. Aborted (core dumped)". The backend of matplotlib has to be changed. This is for example described in: http://stackoverflow.com/questions/2766149/possible-to-use-pyplot-without-display and http://stackoverflow.com/questions/8257385/automatic-detection-of-display-availability-with-matplotlib.* Modified the behaviour of the [http://www.nmr-relax.com/manual/bmrb_write.html bmrb.write user function] backend for a model-free analysis (fix for [https://gna.org/bugs/?24131 bug #24131]). This is in the [http://www.nmr-relax.com/api/4.0/specific_analyses.model_free.api.Model_free-class.html#bmrb_write bmrb_write() method of the model-free analysis API]. Deselected spins are now skipped and a check has been added to be sure that spin data has been assembled.
* Another fix for [https://gna.org/bugs/?24131 bug #24131]. This is the BMRB export failure when the SpinContainer object has no {{:S2}} attribute. Now no data is stored in the BMRB file if a model-free model has not been set up for the spin. This allows the test suite to pass.
* Bug fix to allow the [http://www.nmr-relax.com/api/4.0/test_suite.system_tests.model_free.Mf-class.html#test_bug_24131_missing_interaction Mf.test_bug_24131_missing_interaction system test ] to pass. This is part of [https://gna.org/bugs/?24131 bug #24131], the BMRB export failure with the SpinContainer object having no {{:S2}} value. The problem was when assembling the diffusion tensor data. The [http://www.nmr-relax.com/api/4.0/pipe_control.mol_res_spin-module.html#spin_loop spin_loop() function ] was being called, as the diffusion tensor is reported for all residues. Therefore the skip_desel=True has been added to match the model-free part.
<section end=bugfixes/>
