Here you can find the source of toInt(final double[] a, final int len)
static public final int[] toInt(final double[] a, final int len)
//package com.java2s; /**//from w w w.j a v a 2 s . c om TrakEM2 plugin for ImageJ(C). Copyright (C) 2005-2009 Albert Cardona and Rodney Douglas. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation (http://www.gnu.org/licenses/gpl.txt ) This program 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 General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. You may contact Albert Cardona at acardona at ini.phys.ethz.ch Institute of Neuroinformatics, University of Zurich / ETH, Switzerland. */ public class Main { static public final int[] toInt(final double[] a, final int len) { final int[] b = new int[len]; for (int i = 0; i < len; i++) b[i] = (int) a[i]; return b; } }