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# This file is part of obs_lsst. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (http://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the LSST License Statement and 

# the GNU General Public License along with this program. If not, 

# see <http://www.lsstcorp.org/LegalNotices/>. 

# 

 

""" 

Miscellaneous utilities related to lsst cameras 

""" 

 

__all__ = ("readRawFile",) 

 

import lsst.afw.fits 

from .lsstCamMapper import assemble_raw 

from .assembly import readRawAmps 

 

 

def readRawFile(fileName, detector, dataId=None): 

"""Read a raw file from fileName, assembling it nicely. 

 

Parameters 

---------- 

filename : `str` 

The fully-qualified filename. 

detector : `lsst.afw.cameraGeom.Detector` 

Detector to associate with the returned Exposure. 

dataId : `lsst.daf.persistence.DataId` or `dict` 

DataId to use in log message output. 

 

Returns 

------- 

exposure : `lsst.afw.image.Exposure` 

The assembled exposure from the supplied filename. 

""" 

if dataId is None: 

dataId = {} 

 

class Info(): 

def __init__(self, obj): 

self.obj = obj 

 

amps = readRawAmps(fileName, detector=detector) 

 

component_info = {} 

component_info["raw_hdu"] = Info(lsst.afw.fits.readMetadata(fileName, hdu=0)) 

component_info["raw_amp"] = Info(amps) 

 

exp = assemble_raw(dataId, component_info, None) 

 

return exp