#! /usr/bin/env mpscript
#
# This script takes an area detector image for the requested amount of time
# and writes it to the requested file.
#

import time

def main( record_list, argv ):

	if ( len(argv) != 3 ):
		print ( "" )
		print ( \
	"Usage:  mp_ad_take_image detector_name measurement_time filename" )
		print ( "" )
		sys.exit(1)

	detector_name    = argv[0]
	measurement_time = float( argv[1] )
	filename         = argv[2]

	ad = record_list.get_record( detector_name )

	maximum_framesize = ad.get_maximum_framesize()
	bytes_per_pixel   = ad.get_bytes_per_pixel()

	num_pixels = int(maximum_framesize[0]) * int(maximum_framesize[1])

	image_length = int( bytes_per_pixel * num_pixels )

	image_frame = Mp.ImageFrame( maximum_framesize, \
				3, 1, bytes_per_pixel, 0, image_length )

	ad.set_one_shot_mode( measurement_time )

	ad.start()

	# Wait for the measurement to complete.

	while (1):
		status = ad.get_status()

		if ( status == 0 ):
			break

		time.sleep( 1.0 )

	# The measurement has completed, so readout the frame and save it.

	ad.readout_frame( 0 )

	ad.correct_frame()

	image_frame = ad.transfer_frame( 0, image_frame )

	image_frame.write_file( Mp.MXT_IMAGE_FILE_RAW_GREY16, filename )