What's new in General Mission Analysis Tool R2013a

May 16, 2013
  • Major Improvements:
  • Production Status:
  • Release R2013a is a major release of GMAT that transitions from beta to production status. Improved the quality of the software and its documentation. Updated the engineering specifications for all the features, identified test gaps, wrote new tests, fixed bugs.
  • Tutorials:
  • The GMAT User Guide now contains 5 in-depth tutorials that show how to use GMAT for end-to-end analysis. The tutorials are designed to teach you how to use GMAT in the context of performing real-world analysis and are intended to take between 30 minutes and several hours to complete. Each tutorial has a difficulty level and an approximate duration listed with any prerequisites in its introduction, and is arranged in a general order of difficulty. The simplest tutorial shows you how to enter orbital initial conditions and propagate to orbit perigee, while more advanced tutorials show how to perform finite-maneuver targeting, Mars B-plane targeting, and lunar flyby optimization.
  • Testing:
  • The script and GUI-based regression test systems doubled in size in the last year. They now contain:
  • Over 6,000 new system, validation, and end-to-end script-based tests
  • 30 new end-to-end GUI tests
  • 3,000 new GUI system tests
  • Minor Enhancements:
  • ICRF is now supported for input and output of orbit state data:
  • The Earth texture map is improved
  • CCSDS ephemeris files are now accessible in the output tab
  • Improved mouse controls for interactive 3-D graphics.
  • Improved 3ds model support
  • Improved error messages system-wide
  • New BodySpinSun axis system for asteroid survey missions
  • Improved system modularization by moving more features to plugins
  • Compatibility changes:
  • Fixed many poorly-named fields and/or parameters (i.e. OrbitView.CelestialPlane → OrbitView.EclipticPlane)
  • Corrected missed or invalid data validation checking
  • Removed partially-implemented functionality from previous releases
  • Removed improperly-exposed internal fields and functions
  • Disabled configuration of some resources in the mission sequence
  • In all cases, GMAT was modified to work correctly as specified in the documentation, but did not always maintain backwards compatibility with previous versions.
  • In addition, there were some features that did not meet quality expectations for this release and have been turned off in the release package. Most of these features can be turned on for analysis purposes, but they are not fully tested and should be used with caution.
  • Orbit Designer (disabled)
  • GMAT functions (libGmatFunctions)
  • Save command (libSaveCommand)
  • Bulirsh-Stoer integrator (libExtraPropagators)
  • Known & Fixed Issues:
  • Over 720 bugs and issues were closed in this release.

New in General Mission Analysis Tool 2007-12-10 Beta (Jan 4, 2008)

  • Wiki containing user and project information
  • 55 bug fixes (see readme.txt contained in distribution for details)
  • Improved script error checking
  • Improved error messages in script syntax checking
  • Improved animation controls
  • Expanded Architectural Specification
  • Improved targeter controls in OpenGL plots