timur/OBSUTILS
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

focus_seq_FLI.py: rewrite for using ccd_capture

Browse Source
This commit is contained in:
Timur A. Fatkhullin
2026-04-27 18:09:52 +03:00
parent 66c10e2f31
commit 8a783405bb
1 changed files with 39 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
focus_seq_FLI.py
View File

@@ -7,6 +7,10 @@
# This variant of the script uses Eddy Emelianov's
# 'fli_control' executable
#
# 27.04.2026 (Fatkhullin T.A.)
# changes according to Eddy Emelianov's "ccd_capture" executable
# (a new age FLI hardware control software)
#
from OBSUTILS import focussing_app
@@ -21,15 +25,24 @@ import pathlib as pl
def init_seq(seq_kwds):
# replace extension since Eddy's 'fli_control' adds hardcoded '.fit'
pt = pl.Path(seq_kwds["root_filename"]).with_suffix(".fit")
seq_kwds["root_filename"] = str(pt)
# # replace extension since Eddy's 'fli_control' adds hardcoded '.fit'
# pt = pl.Path(seq_kwds["root_filename"]).with_suffix(".fit")
# seq_kwds["root_filename"] = str(pt)
pt = pl.Path(seq_kwds["root_filename"])
if not len(pt.suffix):
pt.with_suffix(".fits")
seq_kwds["root_filename"] = str(pt)
#
# search for existing files
# and compute start index of focus file
#
foc_files = list(
pt.absolute().parent.glob("{}_[0-9][0-9][0-9][0-9].fit".format(pt.stem))
# 27.04.2026
pt.absolute().parent.glob("{}_[0-9][0-9][0-9][0-9]{}".format(pt.stem, pt.suffix))
# pt.absolute().parent.glob("{}_[0-9][0-9][0-9][0-9].fit".format(pt.stem))
)
seq_kwds["start_idx"] = 1
@@ -51,7 +64,11 @@ def set_focus(foc_val):
print("INVALID FLI-FOCUSER VALUE! IT MUST BE NON-NEGATIVE VALUE!")
return -1
cmd = ["fli_control", "-g", str(int(foc_val))]
# cmd = ["fli_control", "-g", str(int(foc_val))]
# 27.04.2026
cmd = ["ccd_capture", "-VVV", "--plugin", "libdevfli.so", "-r", "/tmp/10micron.fitsheader", "-r", "/tmp/telescope.fitsheader", "-r", "/tmp/dome.fitsheader", "-g", str(foc_val)]
ret = sp.run(cmd, stdout=sp.PIPE, stderr=sp.PIPE)
return ret.returncode
@@ -61,20 +78,23 @@ def get_image(filename, exp_time):
# Eddy's 'fli_control' related stub:
# filename is expected in form 'rootname_DDDD.ext'
# convert it to 'rootname'
#
fname = str(filename).split("_")
fname = fname[0]
# fname = str(filename).split("_")
# fname = fname[0]
cmd = [
"fli_control",
"-r",
"/tmp/10micron.fitsheader",
"-x",
"{:d}".format(int(np.round(exp_time * 1000))), # to microseconds
fname,
]
# cmd = [
# "fli_control",
# "-r",
# "/tmp/10micron.fitsheader",
# "-x",
# "{:d}".format(int(np.round(exp_time * 1000))), # to microseconds
# fname,
# ]
# 27.04.2026
cmd = ["ccd_capture", "-VVV", "--plugin", "libdevfli.so", "-r", "/tmp/10micron.fitsheader", "-r", "/tmp/telescope.fitsheader", "-r", "/tmp/dome.fitsheader", "-x", str(exp_time), "-o", filename]
ret = sp.run(cmd, stdout=sp.PIPE, stderr=sp.PIPE)
return ret.returncode
@@ -82,7 +102,9 @@ def get_image(filename, exp_time):
if __name__ == "__main__":
parser = ap.ArgumentParser(
prog="{}".format(pl.Path(sys.argv[0]).name),
description="FLI CCD and focuser hardware: focussing sequence implementation. It is assumed that 'fli_control' software is installed in the OS.",
# 27.04.2026
description="FLI CCD and focuser hardware: focussing sequence implementation. It is assumed that 'ccd_capture' software is installed in the OS.",
# description="FLI CCD and focuser hardware: focussing sequence implementation. It is assumed that 'fli_control' software is installed in the OS.",
)
ret = focussing_app(parser, init_seq, set_focus, get_image)