Version 3.1 - 15th September 2015
Version 3.1 of AstroGrav is an upgrade containing several new features, together with many other improvements and bug fixes. This information is intended for existing users who are already familiar with AstroGrav and want to quickly find out about the main changes. This is a free upgrade for customers who have already purchased an AstroGrav 2 or AstroGrav 3 license, so that all you need to do is download Version 3.1 and use it in place of your old version. If you have any problems with this new version, please don't hesitate to contact us so that we can help you out.
Version 3.1 of AstroGrav has the following new features in the new Tools menu, as well as several improvements to existing features.
Changing Reference Frames
Version 3.1 of AstroGrav includes a new Tools / Reference Frame... command that allows you to transform the reference frame so that the barycenter is stationary, at the origin, or both.
Version 3.1 of AstroGrav includes a new Tools / Take Snapshot... command that allows you to take a snapshot of the current display. The following four options are available.
Version 3.1 of AstroGrav includes a new Tools / Create Movie... command that allows you to create a movie of a simulation while it is evolving. The following four settings are available.
Version 3.1 of AstroGrav includes a new Tools / Generate Ephemeris... command that allows you to generates an ephemeris for any object in a solar system simulation while it is evolving. You can choose any viewpoint on the Earth, any target object, and any combination of 19 available columns of data in the generated ephemeris table. The time interval between rows of the generated ephemeris table can be set by adjusting the time step with the Evolve / Settings... command. A Light-Time Correction option allows you to choose between an ephemeris of the selected object as it actually is, or an ephemeris of the selected object as it appears to be, taking into account the time that it takes for light to travel from the selected object to the viewpoint.
Version 3.1 of AstroGrav also has many other minor improvements and bug fixes, including the following.
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