/*
* Simbad - Robot Simulator
* Copyright (C) 2004 Louis Hugues
*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*
-----------------------------------------------------------------------------
* $Author: sioulseuguh $
* $Date: 2005/01/13 15:21:24 $
* $Revision: 1.4 $
* $Source: /cvsroot/simbad/src/simbad/sim/SensorMatrix.java,v $
*/
package simbad.sim;
/**
* A luminance Matrix : a 2d array of normalized luminances. It can be obtained
* from a vision sensor (Eye).
*/
public class SensorMatrix extends SensorData{
private float array[];
public int width;
public int height;
public SensorMatrix(int width, int height) {
this.width = width;
this.height = height;
array = new float[width * height];
}
public SensorMatrix(SensorMatrix lm) {
this.width = lm.width;
this.height = lm.height;
this.array = (float[]) lm.array.clone();
}
/** Return the matrix height in pixels. */
public int getHeight(){ return height;}
/** Return the matrix width in pixels. */
public int getWidth(){return width;}
/** Access matrix element. */
public float get(int x, int y) {
return array[x + y * width];
}
/**
* Access matrix element.
*
* @param xf x coord in range 0..1
* @param yf y coord in range 0..1
* @return matrix element.
*/
public float get(float xf, float yf) {
return array[(int) (xf * width) + (int) (yf * height) * width];
}
public float[] getArray() {
return array;
}
public Object clone(){
return new SensorMatrix(this);
}
}