blot_background¶
- grizli.prep.blot_background(visit={'files': None, 'product': ''}, bkg_params={'bh': 64, 'bw': 64, 'fh': 3, 'fw': 3, 'pixel_scale': 0.06}, verbose=True, skip_existing=True, get_median=False, log=True, stepsize=-1, **kwargs)[source]¶
Blot SEP background of drizzled image back to component FLT images
- Parameters
- visitdict
Dictionary defining the drizzle product (‘product’ key) and associated FLT files that contribute to the drizzled mosaic (‘files’ list)
- bkg_paramsdict
Parameters for
sep.Background- verbosebool
Status messages
- skip_existingbool
Don’t run if
BLOTSKYkeyword found in the FLT header- get_medianbool
Don’t use full background but rather just use (masked) median value of the drizzled mosaic
- logbool
Write log information to
grizli.utils.LOGFILE- stepsizeint
Parameter for
blot
- Returns
- Nothing returned but subtracts the transformed background image directly
- from the FLT files and updates header keywords