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import argparse
import PyTango
import tifffile
def grab(camera, height=3840, offset=0):
if height < 3840:
camera.roi_y0 = offset
camera.roi_height = height
else:
camera.roi_height = height
camera.roi_y0 = offset
try:
camera.Start()
except:
camera.Stop()
camera.Start()
frame = camera.image
tifffile.imsave('frame-{}-{}.tif'.format(offset, height), frame)
camera.Stop()
if __name__ == '__main__':
parser = argparse.ArgumentParser()
parser.add_argument('--device', '-d', type=str, required=True,
help="TANGO device path")
args = parser.parse_args()
camera = PyTango.DeviceProxy(args.device)
camera.trigger_source = 0
grab(camera)
grab(camera, height=3640)
grab(camera, height=3640, offset=200)
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