/*
* Copyright (C) 2014 Madgalena Herbst
* CONRAD is developed as an Open Source project under the GNU General Public License (GPL).
*/
package edu.stanford.rsl.tutorial.noncircularfov;
import edu.stanford.rsl.tutorial.phantoms.Phantom;
/**
*
* @author Magdalena
*
*/
public class TwoCirclesGridMod extends Phantom {
/**
* creates a phantom that consists of two circles with radius = 0.15*width
* and some "bone" in it
*
* @param x
* width of the phantom
* @param y
* height of the phantom
*/
public TwoCirclesGridMod(int x, int y) {
super(x, y, "TwoCirclesGridMod");
double radius = 0.15 * x;
double radius2 = 0.3 * radius;
int xcenter1 = (int) (x / 4 + x * 0.05);
int ycenter1 = (int) (y * 0.5);
int xcenter2 = (int) ((x * 0.75) - x * 0.05);
int ycenter2 = (int) (y * 0.5);
float val = 0.5f;
float val2 = 1.f;
for (int i = 0; i < x; i++) {
for (int j = 0; j < y; j++) {
if (Math.pow(i - xcenter1, 2) + Math.pow(j - ycenter1, 2) <= (radius * radius)
|| Math.pow(i - xcenter2, 2)
+ Math.pow(j - ycenter2, 2) <= (radius * radius)) {
super.setAtIndex(i, j, val);
}
if (Math.pow(i - xcenter1, 2) + Math.pow(j - ycenter1, 2) <= (radius2 * radius2)
|| Math.pow(i - xcenter2, 2)
+ Math.pow(j - ycenter2, 2) <= (radius2 * radius2)) {
super.setAtIndex(i, j, val2);
}
}
}
}
}