// draw the (top left corner of the) original image but with the segment boundaries overlayed in blue
public void overlaySegmentation(string filename, int N, SegmentationService segmentation)
{
var newImage = new TiffImage(1 << N, 1 << N);
var BLUE = unchecked ((int)0xFFFF0000); // ABGR
for (var y = 0; y < newImage.height; y++)
{
for (var x = 0; x < newImage.width; x++)
{
//var a = segmentation(x, y);
//var b = segmentation(x - 1, y);
//var c = segmentation(x, y - 1);
if (x == newImage.width - 1 || x == 0 || !segmentation.Segmentation(x, y).Equals(segmentation.Segmentation(x - 1, y)) ||
y == newImage.height - 1 || y == 0 || !segmentation.Segmentation(x, y).Equals(segmentation.Segmentation(x, y - 1)))
{
newImage.setColour(x, y, BLUE);
}
else
{
newImage.setColour(x, y, getColour(x, y));
}
}
}
newImage.saveImage(filename);
}
