def startLive(exposure, gain, color):
global MaestroF
MaestroF.filter_goto(color)
MaestroF.shutter_open()
pid = os.fork() # this is a UNIX only syscall
if pid == 0:
#child process
PC.cameraLive(exposure, gain)
return 0;
def main(argv=None):
"""
Process command line
"""
IlluminateWidth = 1920
IlluminateHeight = 1080
CameraWidth = 1000
CameraHeight = 1000
if argv is None:
argv = sys.argv
# end if
argc = len(argv)
print "newline\n"
print "There are %d arguments\n" % argc
# make sure we have the correct number of arguments */
if (argc < 3) or (argc > 5):
#testDMD.show_usage()
show_usage()
sys.exit(-1)
#end if
MF = MaestroFunctions()
# process the numeric arguments
int_time = float(argv[1])
em_gain = int(argv[2])
# process cube name
if argc < 4:
mycube = DEFAULT_CUBE
# end if
else:
mycube = str(argv[3])
# end else
# process TDI flag
if argc < 5:
TDI_flag = DEFAULT_TDI
# end if
else:
TDI_flag = int(argv[4])
# end else
"""
Set up imaging
"""
MF.darkfield_off()
print "the third argument is %s\n" % mycube
MF.filter_goto(mycube)
"""
set up release hardware
"""
# initialize the release system
print "Initializing release system\n"
if PI.py_illuminate_init(IlluminateWidth, IlluminateHeight, \
CameraWidth, CameraHeight) < 0:
sys.exit(-1)
#end if
# load an identity map for alignment parameters
PI.py_illuminate_alignment_load_identity()
# enable release hardware
PI.py_illuminate_enable()
PI.py_clear_memory() # must run this or you will get line artifacts!!!!
# generate an image
PI.generate_image()
# expose image, so that it stays displayed
PI.py_illuminate_expose()
"""
start imaging
"""
# open shutter
MF.shutter_open()
# start imaging
myargc = 3;
myargv = ['0' ,'0','c','d'] # create a list of length 4
myargv[2] = argv[1]
myargv[3] = argv[2]
# start in a separate process to avoid crash if window is closed
pid = os.fork() # this is a UNIX only syscall
if pid == 0:
#child process
PC.cameraLive(myargc, myargv, TDI_flag)
return 0;
# end if
# in parent process
# wait for child to terminate
#os.waitpid(pid,os.WNOHANG) # this option WNOHANG is UNIX only
os.wait()
# close shutter
MF.shutter_close()
return 0