public MickeyMouseGrid2D(int x, int y, int phase) {
super(x, y, "MickeyMouseGrid2D");
int val1 = 1;
int val2 = 2;
double r1 = 0.4 * x;
double r2 = 0.2 * x;
int xCenter1 = x / 2;
int yCenter1 = 6 * y / 10;
int xCenter2 = (int) (0.25 * x);
int yCenter2 = (int) (0.15 * y);
int xCenter3 = (int) (0.75 * x);
int yCenter3 = (int) (0.15 * y);
for (int i = 0; i < x; i++) {
for (int j = 0; j < y; j++) {
if (phase > 2)
if (Math.pow(i - xCenter2, 2) + Math.pow(j - yCenter2, 2) <= (r2 * r2)) {
super.setAtIndex(i, j, val2);
}
if (phase > 1)
if (Math.pow(i - xCenter3, 2) + Math.pow(j - yCenter3, 2) <= (r2 * r2)) {
super.setAtIndex(i, j, val2);
}
if (phase > 0)
if (Math.pow(i - xCenter1, 2) + Math.pow(j - yCenter1, 2) <= (r1 * r1)) {
super.setAtIndex(i, j, val1);
}
}
}
}
private void CreatePhantom() {
// Iterate over all pixels and sum up intensity values of all corresponding ellipses
double sizeX = (double) super.getSize()[0];
double sizeY = (double) super.getSize()[1];
for (int i = 0; i < super.getSize()[0]; ++i) {
double x = ((double) i - (sizeX - 1) / 2.0) / ((sizeX - 1) / 2.0);
for (int j = 0; j < super.getSize()[1]; ++j) {
double y = ((double) j - (sizeY - 1) / 2.0) / ((sizeY - 1) / 2.0);
super.setAtIndex(i, super.getSize()[1] - j - 1, 0.f);
for (int k = 0; k < Ellipses.getRows(); ++k) {
// Extract the ellipse properties here
double xc = x - Ellipses.getElement(k, 3);
double yc = y - Ellipses.getElement(k, 4);
double phi = Ellipses.getElement(k, 5) * Math.PI / 180.0;
double cos = Math.cos(phi);
double sin = Math.sin(phi);
double asq = Ellipses.getElement(k, 1) * Ellipses.getElement(k, 1);
double bsq = Ellipses.getElement(k, 2) * Ellipses.getElement(k, 2);
double Val = Ellipses.getElement(k, 0);
// Check if this pixel is part of the ellipse, if yes, add the given intensity value to it
double help = Math.pow((xc * cos + yc * sin), 2.0);
double help2 = Math.pow((yc * cos - xc * sin), 2.0);
if (help / asq + help2 / bsq <= 1.0)
super.setAtIndex(
i,
super.getSize()[1] - j - 1,
super.getAtIndex(i, super.getSize()[1] - j - 1) + (float) Val);
}
}
}
}