from harvesters.core import Harvester
h = Harvester()
h.add_cti_file('C:/Program Files/JAI/SDK/bin/JaiUSB3vTL.cti')
h.update_device_info_list()
print("NumberOfCamera = {0}".format(len(h.device_info_list)))
print(h.device_info_list[0])
ia = h.create_image_acquirer(0)
ia.device.node_map.PixelFormat.value = 'BayerRG8'
ia.device.node_map.TestPattern = 'HorizontalColorBar'
ia.start_image_acquisition()
i=0
while i<1:
    with ia.fetch_buffer() as buffer:
        component = buffer.payload.components[0]
        print ("Data_format = {0}".format(component.data_format))
        print ("Image_height = {0}".format(component.height))
        print ("Image_width = {0}".format(component.width))
        print ("Components_per_pixel = {0}".format(component.num_components_per_pixel))
        print ("Class type = {0}".format(type(component.data)))
        print ("Image = {0}".format(component.data[0:4]))       # Colorbar White
        print ("Image = {0}".format(component.data[484:488]))   # ColorBar Cyan
    i = i + 1
ia.stop_image_acquisition()
ia.destroy()
h.reset()