source: sasview/installers/README.txt @ b58265c3

ESS_GUIESS_GUI_DocsESS_GUI_batch_fittingESS_GUI_bumps_abstractionESS_GUI_iss1116ESS_GUI_iss879ESS_GUI_iss959ESS_GUI_openclESS_GUI_orderingESS_GUI_sync_sascalcmagnetic_scattrelease-4.2.2ticket-1009ticket-1094-headlessticket-1242-2d-resolutionticket-1243ticket-1249ticket885unittest-saveload
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1Release Notes
2=============
3
41- Features
5===========
6    - New in Version 4.1.2
7      --------------------
8      This point release is a bug-fix release addressing:
9
10       - Fixes #984: PDF Reports Generate Empty PDFs
11       - Fixes a path typo
12       - 64 bit and 32 bit Windows executables now available
13
14      It is recommended that all users upgrade to this version
15
16    - New in Version 4.1.1
17      --------------------
18      This point release is a bug-fix release addressing:
19
20       - Fixes #948: Mathjax CDN is going away
21       - Fixes #938: Cannot read canSAS1D file output by SasView
22       - Fixes #960: Save project throws error if empty fit page
23       - Fixes #929: Problem deleting data in first fit page
24       - Fixes #918: Test folders not bundled with release
25       - Fixes an issue with the live discovery of plugin models
26       - Fixes an issue with the NXcanSAS data loader
27       - Updated tutorials for SasView 4.x.y
28
29    - New in Version 4.1.0
30      ------------------
31      This incremental release brings a series of new features and improvements,
32      and a host of bug fixes. Of particular note are:
33     
34      - Correlation Function Analysis (Corfunc)
35        This performs a correlation function analysis of one-dimensional SAXS/SANS data,
36        or generates a model-independent volume fraction profile from the SANS from an
37        adsorbed polymer/surfactant layer.
38
39        A correlation function may be interpreted in terms of an imaginary rod moving
40        through the structure of the material. Γ1D(R) is the probability that a rod of
41        length R moving through the material has equal electron/neutron scattering
42        length density at either end. Hence a frequently occurring spacing within a
43        structure manifests itself as a peak.
44
45        A volume fraction profile \Phi(z) describes how the density of polymer
46        segments/surfactant molecules varies with distance from an (assumed locally flat)
47        interface.
48
49      - Fitting of SESANS Data
50        Data from Spin-Echo SANS measurements can now be loaded and fitted. The data will
51        be plotted against the correct axes and models will automatically perform a Hankel
52        transform in order to calculate SESANS from a SANS model.
53
54      - Documentation
55        The documentation has undergone significant checking and updating.
56
57      - Improvements
58        - Correlation function (corfunc) analysis of 1D SAS data added from CCP13
59        - File converter tool for multi-file single column data sets
60        - SESANS data loading and direct fitting using the Hankel transformation
61        - Saving and loading of simultaneous and constrained fits now supported
62        - Save states from SasView v3.x.y now loaded using sasmodel model names
63        - Saving and loading of projects with 2D fits now supported
64        - Loading a project removes all existing data, fits, and plots
65        - Structure factor and form factor can be plotted independently
66        - OpenCL is disabled by default and can be enabled through a fit menu
67        - Data and theory fields are now independently expandable
68      - Bug Fixes
69        - Fixes #667: Models computed multiple times on parameters changes
70        - Fixes #673: Custom models override built in models of same name
71        - Fixes #678: Hard crash when running complex models on GPU
72        - Fixes $774: Old style plugin models unloadable
73        - Fixes #789: stacked disk scale doesn't match cylinder model
74        - Fixes #792: core_shell_fractal uses wrong effective radius
75        - Fixes #800: Plot range reset on plot redraws
76        - Fixes #811 and #825: 2D smearing broken
77        - Fixes #815: Integer model parameter handling
78        - Fixes #824: Cannot apply sector averaging when no detector data present
79        - Fixes #830: Cansas HDF5 reader fully compliant with NXCanSAS v1.0 format
80        - Fixes #835: Fractal model breaks with negative Q values
81        - Fixes #843: Multilayer vesicle does not define effective radius
82        - Fixes #858: Hayter MSA S(Q) returns errors
83        - Numerous grammatical and contexual errors in documention
84
85
86    - New in Version 4.0.1
87      ------------------
88      This release fixes the critical bug #750 in P(Q)*S(Q).  Most damaging
89      it appears that the background term was being added to S(Q) prior to
90      multiplication by P(Q).
91
92
93    - New in Version 4.0
94      ------------------
95      This release fixes the various bugs found during the alpha and beta testing
96      - Improvements
97        - Support for reading data files from Anton Paar Saxess instruments
98        - Adds documentation on how to write custom models in the new framework
99      - Bug Fixes
100        - Fixes bug #604 Pringle model questions
101        - Fixes bug #472 Reparameterize Teubner-Strey
102        - Fixes bug #530 Numerical instabilities in Teubner Strey model
103        - Fixes bug #658 ASCII reader very broken
104
105
106    - New in Version 4.0 beta 1
107      --------------------
108      This beta adds support for the magnetic and multilevel models of 3.1.2
109      and along with a host of bug fixes found in the alpha.
110
111      - Model package changes and improvements
112         - All 3.1.2 models now available in new interface
113         - Old custom models should now still work
114            - '''NOTE:''' These will be deprecated in a future version. Old
115            custom models should be converted to the new model format which
116            is now the same as the built in models and offers much better
117            support.
118         - Custom model editor now creates new style models
119         - Custom model editor supports better error checking
120      - Documentation improvements
121        - Continued general cleanup
122      - Other improvements/additions
123         - Support for new canSAS 2D data files added
124         - Plot axes range can now be set manually as well as by zooming
125         - Plot annotations can now be moved around after being placed on plot.
126         - The active optimizer is now listed on the top of the fit panel.
127         - Linear fits now update qmin and max when the x scale limits are
128         changed.  Also the plot range no longer resets after a fit.
129      - Bug fixes
130         - Fixes bug #511 Errors in linearized fits and clean up of interface
131         including Kratky representation
132         - Fixes bug #186 Data operation Tool now executes when something is
133         entered in the text box and does not wait for the user to hit enter
134         - Fixes bug #459 plot context menu bug
135         - Fixes bug #559 copy to clipboard in graph menu broken
136         - Fixes bug #466 cannot remove a linear fit from graph
137         - Numerous bugs introduced in the alpha
138
139
140
141    - New in Version 4.0.0-alpha
142      --------------------
143      This alpha release brings a major overhaul of the model system. The new model
144      package allows rapid integration of custom models and access to polydispersity
145      without requiring a compiler.
146
147      - Model package changes and improvements
148         - Model interface moved to independent sasmodels package.
149         - Most models converted to new interface.
150         - Allows rapid integration of user-written models.
151         - OpenCL GPU utilization for faster fitting.
152         - Improved numerical integration of Bessel functions.
153      - SESANS integration and implementation
154         - Scripting interface added for analysis of SESANS data.
155         - Hankel transformation now accepts finite acceptance angles.
156         - 2D cosine transformation added for TOF SESANS analysis.
157      - Documentation improvements
158         - The documentation tree was restructured for a better end user experience.
159         - The documentation for each model was revamped and verified by at least
160           two people following the conversion of the model.
161         - Theoretical 1D (and 2D if applicable) scattering curves are auto-generated
162           and added to the model documentation for each model.
163      - Separation of GUI and calculations for future GUI enhancements
164      - Bug fixes
165         - Fixes bug #411 No stop button on simultaneous fit page
166         - Fixes bug #410 Error with raspberry model
167         - Fixes bug #364 Possible inconsistency in Poly_GausCoil model
168         - Fixes bug #439 Hayter Penfold MSA code needs checking
169         - Fixes bug #484 lammellerPC is precision limited
170         - Fixes bug #498 $HOME/.matplotlib conflicts
171         - Fixes bug #348 Control order in which fit parameters appear in the gui
172         - Fixes bug #456 Provide DREAM Results Panel with something to identify
173           data and age of results
174         - Fixes bug #556 Build script improvements for developers
175
176
177
178   - New in Version 3.1.2
179     --------------------
180     This release is a major stability improvement, having fixed a serious bug
181     that came to light since release 3.1.1. All users should upgrade.
182
183     - Fixes bug #468 broken remove constraint buttons in
184       simultaneous/constrained fitting panel
185     - Fixes bug #474 resulting from changes in 3.1.1 that had
186       introduced an error in the high-Q of slit-smeared models.
187     - Fixes bug #478 which would cause wx to run out of IDs and result
188       in SasView crashing even if left alone.
189     - Fixes bug #479 missing help button on simultaneous/constrained fit page
190     - Fixes bug #480 GUI resizing issues on simultaneous fit page
191     - Fixes bug #486 broken Report Results
192     - Fixes bug #488 redraw issues in fit page
193
194
195
196   - New in Version 3.1.1
197     --------------------
198     - Fixes bug #457 that prevented SasView from starting if the user was not
199       connected to the internet, or was behind a proxy server.
200
201   - New in Version 3.1.0
202     --------------------
203     - The documentation/help has had a complete overhaul including:
204       - A completely new presentation interface (Sphinx).
205       - Proof reading!
206       - Updating for latest features.
207       - A Help (or sometimes ?) button has been added to every panel, and some
208         sub panels if appropriate, linking to the appropriate section in the
209         documentation.
210       - The model help has been split so that the Details button now brings up
211         a very short pop-up giving the equation being used while HELP goes to
212         the section in the full documentation describing the model.
213       - Extensive help has also been added for the new optimizer engine (see
214         below) including rules of thumb on how and when to choose a given
215         optimizer and what the parameters do.
216     - The optimizer engine has been completely replaced. The new optimizer
217       still defaults to the standard Levenberg-Marquardt algorithm. However 4
218       other optimizers are now also available. Each starts with a set of default
219       parameters which can be tuned. The DREAM optimizer takes the longest but
220       is the most powerful and yields rich information including full parameter
221       correlation and uncertainty plots. A results panel has been added to
222       accommodate this.
223       - The five new optimizers are:
224         - A Levenberg-Marquardt optimizer
225         - A Quasi-Newton BFGS optimizer
226         - A Nelder-Mead Simplex optimizer
227         - A Differential Evolution optimizer
228         - A Monte Carlo optimizer (DREAM)
229     - New models were added:
230         - MicelleSphCoreModel (currently residing in the Uncategorized category)
231     - Existing models were updated:
232         - LamellarPS (bug in polydispersity integration fixed)
233         - RectangularPrismModel
234         - RectangularHollowPrismModel
235         - RectangularHollowPrismInfThinWallsModel
236     - Infrastructure to allow SESANS data to be fit with models was added. This
237       will become available in a future release but can currently be used from
238       the command line with some caveats.
239     - A number of bugs were fixed including a thread crashing issue and an
240       incorrect slit smearing resolution calculation.
241     - Implemented much more robust error logging to enable much easier
242       debugging in general but particularly the debugging of issues reported by
243       SasView users.
244     - A number of infrastructure tasks under the hood to enhance maintainability
245     - Upgrade from Wx 2.8 to Wx 3.0.2 which allows several new features but
246       required significant additional rework as well.
247     - Fully implemented Sphinx to the build process to produce both better
248       user documentation and developer documentation.
249     - Restructuring of the code base to more unified nomenclature and structure
250       so that the source installation tree more closely matches the installer
251       version tree.
252     - Code cleanup (an ongoing task) .
253     - Migration of the repository to github simplifying contributions from
254       non-project personnel through pull requests.
255
256   - New in Version 3.0.0
257     --------------------
258     - The GUI look and feel has been refactored to be more familiar for
259       Windows users by using MDI frames. Graph windows are also now free-
260       floating.
261     - Five new models have been added: PringlesModel, CoreShellEllipsoidXTModel,
262       RectangularPrismModel, RectangularHollowPrismModel and
263       RectangularHollowPrismInfThinWallsModel.
264     - The data loader now supports ILL DAT data files and reads the full meta
265       information from canSAS file formats.
266     - Redefined convention for specifying angular parameters for anisotropic
267       models.
268     - A number of minor features have been added such as permitting a log
269       distribution of points when using a model to simulate data, and the
270       addition of a Kratky plot option to the linear plots.
271     - A number of bugs have also been fixed.
272     - Save Project and Save Analysis now work more reliably.
273     - BETA: Magnetic contrast supporting full polarization analysis has been
274       implemented for some spherical and cylindrical models.
275     - BETA: Two new tools have been added:
276       - A generic scattering calculator which takes an atomic, magnetic or
277         SLD distribution in space and generates the appropriate 2D
278         scattering pattern. In some cases the orientationally averaged
279         (powder) 1D scattering can also be computed. Supported formats
280         include: SLD or text, PDB, and OMF magnetic moment distribution
281         file.
282       - An image viewer/converter for data in image format; this reads in
283         an image file and will attempt to convert the image pixels to
284         data. Supported formats include: TIFF, TIF, PNG, BMP, JPG.
285
286   - New in Version 2.2.1
287     --------------------
288     - Minor patch to support CanSAS XML v1.1 file format
289     - Added DataInfo for data in the DataExplorer and plots
290     - Added Maximize/Restore button in the title bar of the graphs
291     - Added a hide button in the toolbar of the graph panel
292     - The 'x' button now deletes a graph
293     - Edit SUM Model from the menubar can now generate and save more than one sum model
294     - Reports can now be saved in pdf format on WIN and MAC
295     - Made significant improvements to the batch/grid panel and fixed several bugs
296     - Fixed a number of other minor bugs
297
298   - New in Version 2.2.0
299     --------------------
300     - Application name changed to SasView
301     - New fully customizable Category Manager added for better management of
302       increasing number of models
303     - Improved the Grid Window functionality in the batch fitting mode
304     - Added a simpler Graph/Plot modification interface
305     - Added a new 'Data Operation' tool for addition, subtraction, multiplication,
306       division, of two data sets.
307     - The 'Sum Model' editor was extended and renamed 'Summation and Multiplication'
308       editor
309     - Added more plot symbols options for 1d plots
310     - Added improved trapping of compiling errors to the 'New model editor'
311     - Added some intelligent outputs (e.g., Rg, background, or rod diameter
312       depending on the choice of axis scale of the plot) to the linear fits
313     - Added more models
314
315   - Feature set from previous versions
316     -----------------------------------
317     - Perspectives Available
318       - Invariant calculator: Calculates the invariant, volume fraction, and
319         specific surface area.
320       - P(r) inversion calculator: Indirect Fourier transformation method.
321       - Fitting: the tool used for modeling and fitting 1D and 2D data to
322         analytical model functions
323       - Tools: provides a number of useful supplementary tools such as SLD
324         calculation
325
326     - Fitting
327       - Includes a large number of model functions, both form factors and structure factors.
328       - Support P(Q)*S(Q) for form factors that flag they can be so multiplied.
329       - Supports Gaussian, lognormal, Shulz, rectangular and custom distribution
330         functions for models that need to include polydispersity or for orientational
331         distributions if appropriate.
332       - Anisotropic shapes and magnetic moment modeling in 2D allow for a non-uniform
333         distribution of orientations of a given axis leading to modeling and fitting
334         capabilities of non azimuthaly symmetric data.
335       - User can choose to weight fits or not. If using weights, the user can choose
336         the error bar on each point if provided in the file, the square root
337         of the intensity or the intensity itself.
338       - Instrumental resolution smearing of model or fits is provided with several
339         options: read the resolution/point fromt he file. Input a pinhole resolution
340         or a slit resolution.
341       - Users can define the Qrange (Qmin and Qmax) for both 1D and 2D data for
342         fitting and modeling, but not graphically.  The range can be reset to the
343         defaults (limits of q in data set for a fit) with the reset button.
344       - A mask can be applied to 2D calculation and fitting.
345       - Normalized residual plots are provided with every fit.
346       - Model function help available through detail button or from the fitting panel.
347       - Simultaneous/(advanced)constrained fitting allows for fitting a single
348         data set or several different sets simultaneously with the application
349         of advanced constraints relating fit parameters to functions of other
350         parameters (including from a different set). For example thickness of
351         shell = sin(30) times the length.
352       - Models that are the sum of two other models can be easily generated through the
353         SUM Model menubar item.
354       - New Python models can be added on the fly by creating an appropriate Python
355         file in the model plugin directory. Two tools are provided to help:
356         An easy to use custom model editor allows the quick generation of new Python
357         models by supplying only the parameters and their default value (box 1)
358         and the mathematical function of the model (box 2) and generating the
359         necessary *.py file.  A separate advanced model editor provides a full Python
360         file editor.  Either way once saved the model becomes immediately available
361         to the application.
362       - A batch fitting capability allows for the analysis of a series of data sets to
363         a single model and provides the results in a tabular form suitable for saving
364         or plotting the evolution of the fit parameters with error bars (from within
365         the application).
366
367     - Tools
368       - A scattering length density calculator,including some X-ray information
369         is provided.
370       - A density to vol. fraction converter is provided
371       - In application access to a Python shell/editor (PyCrust) is provided
372       - An instrument resolution calculator, including possible gravitational and
373         TOF effects is provided
374       - A slit size calculator optimized for Anton Paar Saxess is provided.
375       - A kiessig fringe thickness calculator is provided
376
377     - Plots and plot management
378       - A 3D graphing option (for 2d data/results) is provided with the view
379         controlled by the mouse
380       - 2D plots are shown with an intensity color bar. 2D Color map can be user
381         adjusted.
382       - Supports output of plot to a variety of graphic formats. Supported formats
383         include: png, eps, emf, jpg/jpeg, pdf, ps, tif/tiff, rawRGBbitmap(raw, rgba),
384         and scalable vector graphic (svg/svgz)
385       - Supports ouput of data in plot (1 or 2D) to limited data formats
386       - Multiple data sets can be loaded into a single graph for viewing (but a fit
387         plot can currently only have a single plot).
388       - Extensive context sensitive plot/fitting/manipulation options are available
389         through a right mouse click pop-up menu on plots.
390
391     - Data management
392       - Supports 2 + column 1D ASCII data, NIST 1D and 2D data, and canSAS data
393         via plug-in mechanism which can easily allow other readers as appropriate.
394       - 2D data is expected in Q space but for historical reasons accepts the
395         NIST 2D raw pixel format and will do conversion internally.
396       - The full data and metadata available to SasView is viewable in ASCII via
397         right clicking on a data set and choosing Data Info in the DataExplorer
398         or on the plots
399       - Supports loading a single file, multiple files, or a whole folder
400       - An optional Data Explorer is provided (default) which simplifies managing,
401         plotting, deleting, or setup for computation. Most functions however do
402         not require access to the explorer/manager and can be accessed through
403         right click menus and the toolbar.  The data explorer can be re-started
404         from the menu bar.
405
406     - Data manipulation
407       - Support various 2D averaging methods : Circular, sectors, annular,
408         boxsum, boxQx and boxQy.
409       - A 2D data maks editor is provided
410       - 2D mask can be applied to the circular averaging.
411
412     - Miscellaneous features
413       - limited reports can be generated in pdf format
414       - Provides multiprocessor support(Windows only)
415       - Limited startup customization currently includes default startup
416         data folder and choice of default starting with data manager
417       - Limited support for saving(opening) a SasView project or a SasView analysis
418         (subproject) is provided.
419       - SasView can be launched and loaded with a file of interesty by double-clicking
420         on that file (recognized extension)
421       - A data file or data folder can be passed to SasView when launched from
422         the command line.
423       - Limited bookmarking capability to later recall the results of a fit calculation
424         is provided.
425       - Extensive help is provided through context sensitive mouse roll-over,
426         information bar (at the bottom of the panel), the console menu, and
427         access to the help files in several different ways.
428
429
4302- Downloading and Installing
431=============================
432
433   *** Note 1:  Much more information is available at www.sasview.org under links.
434                    Look in the 'For Developers' section and particularly the wiki at
435                www.sasview.org/trac/wiki.
436   *** Note 2:  If you have EXE or ZIP SasView installer, you won't need any of
437                the following.  However it is highly recommended that any
438                previous versions be un-installed prior to installing the
439                new version.
440
441   2.1- System Requirements
442        - Python version >= 2.5 and < 3.0 should be running on the system
443        - We currently use Python 2.7
444
445   2.2- Installing from source
446        - Get the source code
447          - to follow the current development version from source control use
448              git clone https://github.com/SasView/sasview.git
449              git clone https://github.com/bumps/bumps.git
450          - to install a specific version
451
452        - Build, install and run a specific release
453          - make sure the requirements below are already installed
454          - retrieve the source from https://github.com/SasView/sasview/releases
455          - open a command line window in the 'sasview-x.x.x' directory
456          - run 'python setup.py install'
457          - run 'python sasview.py' under the 'sasview' folder.
458
459        - Build, install and run the current development version
460          - clone the source from git; also clone bumps, which is developed in parallel
461              git clone https://github.com/SasView/sasview.git
462              git clone https://github.com/bumps/bumps.git
463          - open a command line window in the 'sasview' directory
464          - run 'python setup.py build'
465          - run 'python run.py'; this runs from the source directories, so you
466            don't have to rebuild every time you make a change, unless you are
467            changing the C++ model files
468
469        - The following modules are required (version numbers are what are used
470          in the windows release build):
471
472          - Common Packages
473            - reportlab 3.1.44
474            - lxml 3.4.4.0 (MAC 3.4.2.0)
475            - PIL 1.1.7
476            - xhtml2pdf 3.0.33 (MAC = not installed on build server)
477            - unittest-xml-reporting 1.12.0 (MAC 1.10.0)
478            - matplotlib Version Installed: 1.4.3 (MAC 1.1.1)
479            - bumps Version Installed: 0.7.5.9
480            - scipy Version Installed: 0.16.0b2 (MAC 0.11.0)
481            - periodictable Version Installed: 1.4.1
482            - setuptools Version Installed: 7.0 (MAC 12.0.5)
483            - sphinx Version Installed: 1.3.1 (MAC 1.3b2)
484            - pyparsing Version Installed: 2.0.3
485            - numpy Version Installed: 1.9.2 (MAC 1.6.2)
486            - html5lib Version Installed: 0.99999
487            - wx Version Installed: 3.0.2.0
488
489          - Windows Specific Packages
490            - pywin 219
491            - py2exe 0.6.9
492            - comtypes 1.1.1
493            - MinGW w/ gcc version 4.6.1 (WIN)
494            - vcredist_x86.exe (version 9.0.21022.8  -microsoft visual C 2008
495              re-distributable)
496            - Innosetup (WIN - isetup 5.4.2-unicode) - used to create distributable
497
498            *** Note: Windows build dependencies can be set up using anaconda. Instructions
499                can be found at http://trac.sasview.org/wiki/AnacondaSetup
500
501          - MAC Specifc Packages
502            - py2app 0.7.1
503
504
5053- Known Issues
506===============
507
508
509   4.1- All systems:
510      The conversion to sasmodels infrastructure is ongoing and should be
511      completed in the next release. In the meantime this leads to a few known
512      issues:
513        - The way that orientation is defined is being refactored to address
514        long standing issues and comments.  In release 4.1 however only models
515        with symmetry (e.g. a=b) have been converted to the new definitions.
516        The rest (a <> b <> c - e.g. parellelepiped) maintain the same
517        definition as before and will be converted in 4.2.  Note that
518        orientational distribution also makes much more sense in the new
519        framework.  The documentation should indicate which definition is being
520        used for a given model.
521        - The infrastructure currently handles internal conversion of old style
522        models so that user created models in previous versions should continue
523        to work for now. At some point in the future such support will go away.
524        Everyone is encouraged to convert to the new structure which should be
525        relatively straight forward and provides a number of benefits.
526        - In that vein, the distributed models and those generated by the new
527        plugin model editor are in the new format, however those generated by
528        sum|multiply models are the old style sum|multiply models. This should
529        also disappear in the near future
530        - The on the fly discovery of plugin models and changes thereto behave
531        inconsistently.  If a change to a plugin model does not seem to
532        register, the Load Plugin Models (under fitting -> Plugin Model
533        Operations) can be used.  However, after calling Load Plugin Models, the
534        active plugin will no longer be loaded (even though the GUI looks like
535        it is) unless it is a sum|multiply model which works properly.  All
536        others will need to be recalled from the model dropdown menu to reload
537        the model into the calculation engine.  While it might be annoying it
538        does not appear to prevent SasView from working..
539        - The model code and documentation review is ongoing. At this time the
540        core shell parellelepiped is known to have the C shell effectively fixed
541        at 0 (noted in documentation) while the triaxial ellipsoid does not seem
542        to reproduce the limit of the oblate or prolate ellipsoid. If errors are
543        found and corrected, corrected versions will be uploaded to the
544        marketplace.
545   
546   3.1- All systems:
547        - The documentation window may take a few seconds to load the first time
548          it is called. Also, an internet connection is required before
549          equations will render properly. Until then they will show in their
550          original TeX format.
551        - If the documentation window remains stubbornly blank, try installing a
552          different browser and set that as your default browser. Issues have
553          been noted with Internet Explorer 11.
554        - Check for Updates may fail (with the status bar message ' Cannot
555          connect to the application server') if your internet connection uses
556          a proxy server. Tested resolutions for this are described on the
557          website FAQ.
558        - The copy and paste functions (^C, ^V) in the batch mode results grid
559          require two clicks: one to select the cell and a second to select the
560          contents of the cell.
561        - The tutorial has not yet been updated and is somewhat out of date
562        - Very old computers may struggle to run the 3.x and later releases
563        - Polydispersity on multiple parameters included in a simultaneous/
564          constrained fit will likely not be correct
565        - Constrained/simultaneous fit page does not have a stop button
566        - Constrained/simultaneous fit do not accept min/max limits
567        - Save project does not store the state of all the windows
568        - Loading projects can be very slow
569        - Save Project only works once a data set has been associated with
570          a model.  Error is reported on status bar.
571        - There is a numerical precision problem with the multishell model when
572          the iner radius gets large enough (ticket #288)
573        - The angular distribution angles are not clearly defined and may in
574          some cases lead to incorrect calculations(ticket #332)
575
576   3.2- Windows:
577        - If installed to same directory as old version without first removing
578          the old version, the old desktop icon will remain but point to the
579          new exe version. Likewise all the start menu folders and items will
580          have the old name even though pointing to the new version.  Usually
581          safest to uninstall old version prior to installing new version anyway.
582
583   3.3- MAC:
584        - Application normally starts up hidden. Click icon in Dock to view/use
585          application.
586        - Multiprocessing does not currently work on MAC OS
587
588   3.4- Linux:
589        - Not well tested
590
591
5924- SasView website
593==================
594
595   - www.sasview.org.  This main project site is the gateway to all
596     information about the sasview project.  It includes information
597     about the project, a FAQ page and links to all developer and user
598     information, tools and resources.
599
600
6015- Frequently Asked Questions
602=============================
603
604   - www.sasview.org/faq.html
605
606
6076- Installer download website
608=============================
609
610   - Latest release Version
611     - https://github.com/SasView/sasview/releases
612   - Latest developer builds
613     - https://jenkins.esss.dk/sasview/view/Master-Builds/
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