private void fillTemplate(
Gray8Image templateimg, double outerdiamX, double innerdiamX, double aspect) {
double centerX = templateimg.getWidth() / 2;
double centerY = templateimg.getHeight() / 2;
double outerrad = outerdiamX / 2;
double innerrad = innerdiamX / 2;
for (int wCount = 0; wCount < templateimg.getWidth(); wCount++) {
for (int hCount = 0; hCount < templateimg.getHeight(); hCount++) {
double dist =
Math.sqrt(
(wCount - centerX) * (wCount - centerX)
+ (hCount - centerY) / aspect * (hCount - centerY) / aspect);
if (dist <= outerrad && dist > innerrad) {
templateimg.putBlack(wCount, hCount);
} else {
templateimg.putWhite(wCount, hCount);
}
}
}
}
