/* This file is part of the source code for 3D-XplorMath-J, Version 1.0 (January 2008). * Copyright (c) 2008 The 3D-XplorMath Consortium (http://3d-xplormath.org). * This source code is released under a BSD License, which allows redistribution * in source and binary form, with or without modification, provided copyright * and license information are included, and with no warranty or guarantee of * any kind. For details, see http://3d-xplormath.org/j/source/BSDLicense.txt */ package vmm.ode.secondorder3D; import vmm.core.VariableParamAnimateable; import vmm.core3D.UserExhibit3D; import vmm.core3D.Vector3D; public class UserMagneticField extends ChargedParticles implements UserExhibit3D { private UserExhibit3D.Support userExhibitSupport; private UserExhibit3D.FunctionInfo f1, f2, f3; public UserMagneticField() { userExhibitSupport = new UserExhibit3D.Support(this); userExhibitSupport.addFunctionParameter(new VariableParamAnimateable("a",1,1,0)); userExhibitSupport.addFunctionParameter(new VariableParamAnimateable("b",1,1,0)); userExhibitSupport.addFunctionParameter(new VariableParamAnimateable("c",0,0,1)); f1 = userExhibitSupport.addRealFunction("Field_x", "a", "x", "y", "z"); f2 = userExhibitSupport.addRealFunction("Field_y", "b", "x", "y", "z"); f3 = userExhibitSupport.addRealFunction("Field_z", "c", "x", "y", "z"); initialDataDefault = new double[] { -2, -2, 0, .2, .2, -.5, 0.05, 25 }; setDefaultWindow(-2,2,-2,2); setDefaultViewpoint(new Vector3D(12,-12,12)); } public UserExhibit3D.Support getUserExhibitSupport() { return userExhibitSupport; } protected void magneticField(double x, double y, double z, Vector3D answer) { answer.x = f1.realFunctionValue(x,y,z); answer.y = f2.realFunctionValue(x,y,z); answer.z = f3.realFunctionValue(x,y,z); } }