[Spedas-list] SPEDAS 3.1 released and available for download

[Jim Lewis]

 The SPEDAS development team is pleased to announce the release of SPEDAS
3.1! The software is available as a zip file containing the IDL source code
(which requires an IDL license to use), and also as pre-compiled executable
files for Windows, Linux, and Mac.  The executable version supports the
subset of features available via the SPEDAS Graphical User Interface, but
requires no additional downloads or IDL licenses.



*Where to get it*

SPEDAS 3.1 can be downloaded from the SPEDAS web site:

http://spedas.org/wiki/index.php?title=Downloads_and_Installation

*Installation notes*

There are a few platform-specific issues that may require additional steps
after installation on the Mac and Windows 10 platforms:

http://spedas.org/wiki/index.php?title=Downloads_and_Installation#Troubleshooting_and_special_considerations

* What’s new?*

SPEDAS 3.1 includes numerous bug fixes, efficiency enhancements, and new
features:

*New plugins:*

A new plugin has been implemented to support the upcoming ICON mission.
Data from the FUV and EUV instruments can be loaded and plotted via the
command line, or the SPEDAS GUI. Two “crib sheets” showing how to work with
ICON data from the command line are available: icon_crib.pro, and
icon_crib_euv.pro, both under the projects/icon directory.

A command line plugin for loading data from the SWEAP instrument on the
Parker Solar Probe has been added to the SPEDAS distribution.

*Updated Plugins:*

The plugin supporting the ERG (“Arase”) mission has been updated to include
a number of command-line load routines and crib sheets showing how to work
with the recently-released L2 data products. The crib sheets include

   - erg_crib_hep.pro
   - erg_crib_l3_orb.pro
   - erg_crib_lepe.pro
   - erg_crib_lepi.pro
   - erg_crib_mepe.pro
   - erg_crib_mepi.pro
   - erg_crib_mgf.pro
   - erg_crib_pwe.pro, and
   - erg_crib_xep.pro,

all under the projects/erg/satellite/erg/examples directory.

The MMS plugin is still under very active development, and many updates
have been made since the SPEDAS 3.00 release:

   - Fixed bug with HPCA angular spectra in mms_part_getspec/spd_slice2d
   codes (conflicting assumptions when loading the data led to incorrect
   results)
   - Updated MMS routines and crib sheets to use L2 GSE data products
   instead of near-GSE data products
   - Added new mms_part_slice2d, mms_part_isee3d (MMS specific wrappers
   around spd_slice2d and ISEE3D)
   - Implemented new DES internal photoelectron model in mms_part_getspec
   - Added pitch angle contours to the FPI azimuth vs. zenith plots
   - Added a keyword to the MMS load routines for preserving TT2000
   timestamps from the CDFs

A number of other plugins have been updated to the latest versions
available from their respective developers, including DSCOVR, GOES, SECS,
and Kaguya.

*New general-purpose tools*

Several new tools have been implemented in this release:

   - tplot2cdf, for making ISTP-compliant CDFs from tplot variables (crib
   sheet crib_tplot2cdf_basic, under general/examples)
   - tplot2ap, ap2tplot: Import/export data and metadata between SPEDAS and
   Autoplot (crib sheet crib_tplot2ap.pro, under
   general/spedas_tools/tplot2ap)
   - GUI panel for Minimum Variance Analysis (MVA)
   - spd_flipbookify tool, for generating series of plots from 2-d slices
   over a time range (MMS crib sheet mms_flipbook_crib.pro, under
   projects/mms/examples/advanced; THEMIS crib sheet
   thm_crib_flipbookify.pro under projects/themis/examples/advanced)

*Improvements to existing tools:*

   - Several new servers added to “Load via HAPI” feature
   -  Added command line and GUI support for latest GEOPACK library version
   10.5, including support for the TS07 field model and automatic downloading
   of TS07 model coefficients
   - New spd_slice2d keyword ‘plotorigin’, to allow plotting of second
   origin on 2d slice plots, denoting solar wind or bulk velocity, rather than
   an often-indistinguishable arrow
   - More efficient memory management for some tplot tools
   - New tplot option ‘auto_downsample’, to produce improved plots by
   downsampling data, removing nonphysical artifacts that can occur in certain
   plots with data resolution higher than the plot resolution
   - More intuitive order of rotations in slice2d tool
   - SPEDAS GUI menus were updated with more intuitive labels and menu
   structure

*Where to find more documentation*

See the SPEDAS wiki at http://spedas.org/wiki
*Where to get help*

Please email questions, bug reports, help requests, and enhancement
suggestions to SPEDAS_Science_Support at ssl.berkeley.edu



*Acknowledgements*

The SPEDAS software development has been supported by NASA contracts
NAS5-02099 (THEMIS mission), NNG17PZ01C  (SPEDAS general development), and
NNG04EB99C (MMS sub-contract).  We would also like to thank the many
software developers and SPEDAS users who have supported the development
effort by contributing code, reporting problems, and suggesting
enhancements.
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