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readme.txt
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1996-11-20
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Gravitational NBody Simulation for Windows95 and Windows NT (x86 and Alpha)
Version 1.8 (April 1995)
written by Henley Quadling (hquadling@mnhep.hep.umn.edu)
This update contains both x86 and Alpha AXP binaries. The Intel code
also runs in Windows 95.
nbodyi.exe x86 version
nbodya.exe Alpha AXP version
INSTALLATION
The Intel version makes use of bwcc32.dll and ctl3d32.dll. The
system will complain if you leave ctl3d32.dll in this directory, so
you must move it to where you keep your dll's (eg winnt35\system32 or
windows\system) if it isn't already there. If you would like a version
that does not use these dll's, please email me.
NEW FEATURES
New features in this version:
1. There is a new Rotating Frame option. This option uses a reference
frame centered at the center-of-mass of the system, and rotates with the
same angular velocity of a body that you choose. For a demo of the
usefulness of this option, try the following:
a. Start demo9 (using the load and run option in the file menu)
b. Select 'rotating frame' using the second combobox on the toolbar.
c. Click on the red planet circling the center star.
d. Speed the simulation up if necessary.
The red planet is Jupiter, the two other bodies are 'trojan' asteroids
approximately 60 degrees away from Jupiter.
This version loads and saves v1.7 nbd files, so the rotating frame
options cannot be saved in this version.