import javax.imageio.ImageIO as ImageIO

def get_file(index):
    scan = "/Users/gobbo_a/dev/pshell/config/home/data/2024_03/20240314/20240314_141635_console/scan 1/"
    return  scan + ("det image_%04d.tiff" % (index))

images = []
for i in range(4):
    filename = get_file(i)
    images.append(ImageIO.read(File(filename)))   

combinedImage = BufferedImage(400, 200, BufferedImage.TYPE_INT_RGB);
g = combinedImage.getGraphics();
g.drawImage(images[0], 0, 0, None);
g.drawImage(images[1], 200, 0, None);
g.drawImage(images[2], 0, 100, None);
g.drawImage(images[3], 200, 100, None);

ImageIO.write(combinedImage, "TIFF", File(get_file(5)));