protected void setValue(int pos, int val) {
int b = (int) (pos / (width * height));
pos -= b * width * height;
int y = (int) (pos / width);
int x = pos % width;
outImage.setSample(x, y, b, val);
}
protected void setValue(int pos, int sign, int tt) {
int s = (sign == QuadOutputStream.PLUS) ? 1 : -1;
int b = (int) (pos / (width * height));
pos -= b * width * height;
int y = (int) (pos / width);
int x = pos % width;
outImage.setSample(x, y, b, s * tt);
}