Here you can find the source of angle2degree(double angle)
public static double angle2degree(double angle)
//package com.java2s; /**/*w ww . j ava 2s .c o m*/ * This file is part of VisiCut. * Copyright (C) 2011 - 2013 Thomas Oster <thomas.oster@rwth-aachen.de> * RWTH Aachen University - 52062 Aachen, Germany * * VisiCut is free software: you can redistribute it and/or modify * it under the terms of the GNU Lesser General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * VisiCut is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public License * along with VisiCut. If not, see <http://www.gnu.org/licenses/>. **/ public class Main { public static double angle2degree(double angle) { double w = -(angle * 180d / Math.PI); if (w < 0) { w += 360; } return w; } }