57 lines
1.3 KiB
Python
Executable File
57 lines
1.3 KiB
Python
Executable File
#!/usr/bin/python
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#
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# Get sequence of focussing images and
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# compute the best focus value
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#
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# This variant uses Fatkhullin's AndorAPI2 library
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# to control Andor IXon Ultra EMCCD camera
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# The script uses TCP-socket Python API to control focus
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# of the SAO RAS Zeiss-1000 telescope
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#
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from OBSUTILS import focussing_app
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import sys
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import argparse as ap
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import subprocess as sp
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import numpy as np
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import socket
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def set_focus(foc_val):
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sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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sock.connect(("ztcs.sao.ru", 4444))
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sock.send("goto={:g}".format(foc_val))
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resp = sock.recv(20)
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if resp != "OK":
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sock.close()
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return 1
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sock.close()
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return 0
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#
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# Assumes Andor IXon EMCCD server is listenning UNIX socket on localhost
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#
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def get_image(filename, exp_time):
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cmd = ["ixonultra_cmdclient", "-A", "CCD", "-T", "{:g}".format(exp_time), filename]
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ret = sp.run(cmd, stdout=sp.PIPE, stderr=sp.PIPE)
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return ret.returncode
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if __name__ == "__main__":
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parser = ap.ArgumentParser(
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prog="{}".format(pl.Path(sys.argv[0]).name),
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description="Zeiss-1000 and Andor Ixon EMCCD hardware: focussing sequence implementation.",
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)
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ret = focussing_app(parser, set_focus, get_image)
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sys.exit(ret)
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