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The Open Source Physics Project is supported by NSF DUE-0442581.

OSP Programming Forum

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Tips, bug reports, and suggestions related to the Open Source Physics (OSP) Java library and examples.

  Threads Posts Last Post
Best methods to compensate for runaway mechanical energy. 2 Aug 12, 2016
by lookang
Erratic simulation speed while varying "Steps Per Display" to compensate for changing time increment. 4 Aug 11, 2016
by Wolfgang
Difficulty scaling fonts and vector widths as a plotting panel changes size. 4 Aug 11, 2016
by Wolfgang
Problems handling simultaneous events. 4 Aug 11, 2016
by Stephen Salser
Is it possible to vary the width or color of vectors in a 2D field in a custom way that depends on array data? 1 Aug 9, 2016
by Stephen Salser
How to make drawables (2D and/or 3D) draggable in Javascript 2 Jan 9, 2016
by Wolfgang
OSP Library Docmentation 4 May 27, 2015
by Peter Zwieg
Cannot integrate OSP AbstractCalculation, AbstractSimulation to python jpype 2 Mar 7, 2015
any remote lab demo that i can access and demo to Singapore teachers? 2 May 22, 2013
by Luis de la Torre
Bug reporting Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException at org.opensourcephysics.drawing3d.simple3d.SimpleElementTrail.computePositions(Unknown Source) 1 Sep 12, 2012
by lookang
First Order ODE solution with ODE interface and ODEsolver 3 Aug 31, 2012
by Martin Jola
how to rotate about an axis say axisY in code example WaveMachine.ejs 2 Aug 29, 2012
by lookang
possible to draw static magnetic field lines on a bar magnet in 3D 10 Aug 14, 2012
by lookang
Exercise 2.19 d in Introd Computer Simulation Methode 5 Aug 4, 2012
by Wolfgang
OSP Eclipse wordspace 3 Jul 28, 2012
by Wolfgang
Source Code for ODE 2 Jul 20, 2012
by Wolfgang
Java 3D 2 Apr 6, 2012
by Mohamed IBrahim
Code Update 1 Dec 11, 2008
by Wolfgang
OSP Projects:
Open Source Physics - EJS Modeling
Physlet Physics
Physlet Quantum Physics
STP Book