Structure#
Current fits header#
$ clu
lvmcam expose -r 00h42m44s -d 41d16m09s -K 10 -f 1800 0.5 3 sci.agw
00:37:43.916 lvmcam >
00:37:47.262 lvmcam : {
"PATH": {
"0": "/home/mgjeon/lvmcam/python/lvmcam/assets/lvm/sci/agw/20211203/lvm.sci.agw-00000001.fits",
"1": "/home/mgjeon/lvmcam/python/lvmcam/assets/lvm/sci/agw/20211203/lvm.sci.agw-00000002.fits",
"2": "/home/mgjeon/lvmcam/python/lvmcam/assets/lvm/sci/agw/20211203/lvm.sci.agw-00000003.fits"
}
}
The current headers of fits file are as follows.
SIMPLE = T / conforms to FITS standard
BITPIX = 16 / array data type
NAXIS = 3 / number of array dimensions
NAXIS1 = 1600
NAXIS2 = 1100
NAXIS3 = 1
EXTEND = T
BSCALE = 1
BZERO = 32768
CAMNAME = 'sci.agw ' / Camera name
CAMUID = 19283193 / Camera UID
IMAGETYP= 'object ' / The image type of the file
EXPTIME = 0.5 / Exposure time of single integration [s]
DATE-OBS= '2021-12-03T00:38:23.151' / Date (in TIMESYS) the exposure started
PXFORMAT= 'Mono16 ' / Pixel format
FULLFRAM= '1608x1104' / Full Frame
ROI = '1600x1100 at 0,0' / ROI
FRAMSIZE= 3520000 / Frame size (Bytes)
FRAMRATE= 3.392067663337556 / Frame rate (Hz)
EXPTIME = 0.5000019999999999 / Exposure time (seconds)
GAINCONV= 'LCG ' / Gain Conv.
GAMMAENA= F / Gamma Enable
GAMMAVAL= 0.800048828125 / Gamma Value
ACQUIMOD= 'SingleFrame' / Acquisition mode
FRMRATBD= '(min=1.0, max=3.3953648380635064)' / Framerate bounds
EXPTIMBD= '(min=14.0, max=30000003.0)' / Exp. time bounds
GAINBD = '(min=0.0, max=47.994294033026364)' / Gain bounds
VOLTAGE = 9.75341796875 / Power Supply Voltage (V)
CURRENT = 0.28271484375 / Power Supply Current (A)
POWER = 1.46920382976532 / Total Dissiapted Power (W)
CAMTEMP = 33.375 / Camera Temperature (C)
CUNIT1 = 'deg ' / WCS units along axis 1
CUNIT2 = 'deg ' / WCS units along axis 2
CTYPE1 = 'RA---TAN' / WCS type axis 1
CTYPE2 = 'DEC--TAN' / WCS type axis 2
CRVAL1 = 10.68333333333333 / [deg] RA at reference pixel
CRVAL2 = 41.26916666666666 / [deg] DEC at reference pixel
CD1_1 = -9.7981553605101E-05 / [deg/px] WCS matrix diagonal
CD2_2 = 9.79815536051017E-05 / [deg/px] WCS matrix diagonal
CD1_2 = -0.00026920210605309 / [deg/px] WCS matrix outer diagonal
CD2_1 = -0.00026920210605309 / [deg/px] WCS matrix outer diagonal
CHECKSUM= '9HDAHH969HCAEH95' / HDU checksum updated 2021-12-03T09:37:47
DATASUM = '916223505' / data unit checksum updated 2021-12-03T09:37:47
END
The above headers are created by different sources such as sdss/basecam, sdss/araviscam, and sdss/LVM_FLIR_Software.
Current rule of fits file name#
The rule is filepath/dirname/basename.
$ clu
lvmcam expose -r 00h42m44s -d 41d16m09s -K 10 -f 1800 0.5 3 sci.agw
00:37:43.916 lvmcam >
00:37:47.262 lvmcam : {
"PATH": {
"0": "/home/mgjeon/lvmcam/python/lvmcam/assets/lvm/sci/agw/20211203/lvm.sci.agw-00000001.fits",
"1": "/home/mgjeon/lvmcam/python/lvmcam/assets/lvm/sci/agw/20211203/lvm.sci.agw-00000002.fits",
"2": "/home/mgjeon/lvmcam/python/lvmcam/assets/lvm/sci/agw/20211203/lvm.sci.agw-00000003.fits"
}
}
# cameras.yaml
cameras:
sci.agw:
name: "sci.agw"
...
path:
basename: "lvm.{camera.name}-{num:08d}.fits"
dirname: "lvm/sci/agw/{date.strftime('%Y%m%d')}"
filepath: "python/lvmcam/assets"
About files#
Cameras setting file is lvmcam/python/lvmcam/etc/cameras.yaml.
Default file path where images are saved is lvmcam/python/lvmcam/assets/....
Sequence diagram of lvmcam#
Development#
For developing lvmcam, you can start lvmcam by typing commands below.
Debug mode
$ lvmcam start --debug
Normal mode
$ lvmcam start
$ lvmcam stop
If you want to build lvmcam docker package, use following command.
$ poetry run container_build --no-cache
If you want to make lvmcam document page, use following commands.
$ cd docs/sphinx/
$ pip install -r requirements.txt
$ make html