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| Globalstar modelled with SaVi |
My SaVi releases include the constellation simulation scripts I've written, as well as enhanced resizeable coverage and fisheye displays.
For real-time 3D animations, SaVi can use Geomview, also originally written at The Geometry Center. These videos, interactive java animations and renderings of constellations will quickly give you a primitive idea of what Geomview can offer.
SaVi's features are described in the SaVi user manual. Satellite constellations are introduced in a tutorial using SaVi.
Latest development code (19 November 2009) with bugfixes is available.
The SaVi 1.4.2 release (10 February 2009) fixes a rare rounding error when blending colours, makes -redrawn-menus the default on Mac OS X to work around a 10.5 Leopard Tk menubar bug, fixes no_fames typo preventing saving frames from Geomview, adds View Source... option, adds more elevation circles to large fisheyes.
SaVi requires Tcl/Tk. Depending on your installation of Tcl/Tk, you may need to install the tcl-devel package (Red Hat, Fedora) or tcl-dev and tk-dev (Debian, Ubuntu, etc.) to obtain header files to compile against.
SaVi is supported via the SaVi users mailing list. There's also a SaVi developers mailing list. SaVi development is stored in the SaVi SourceForge repository.
A service rendering SaVi images on request is available. Any use of SaVi images should credit SaVi (http://savi.sf.net/). There are many examples of use where credit is given.
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