Coverage for python/lsst/obs/lsst/utils.py: 33%

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1# This file is part of obs_lsst. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (http://www.lsst.org). 

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

7# for details of code ownership. 

8# 

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

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

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

12# (at your option) any later version. 

13# 

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

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

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

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

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

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

22# 

23 

24""" 

25Miscellaneous utilities related to lsst cameras 

26""" 

27 

28__all__ = ("readRawFile",) 

29 

30from .assembly import attachRawWcsFromBoresight, readRawAmps, fixAmpsAndAssemble 

31from ._fitsHeader import readRawFitsHeader 

32 

33 

34def readRawFile(fileName, detector, dataId=None): 

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

36 

37 Parameters 

38 ---------- 

39 filename : `str` 

40 The fully-qualified filename. 

41 detector : `lsst.afw.cameraGeom.Detector` 

42 Detector to associate with the returned Exposure. 

43 dataId : `lsst.daf.butler.DataCoordinate` or `dict` 

44 DataId to use in log message output. 

45 

46 Returns 

47 ------- 

48 exposure : `lsst.afw.image.Exposure` 

49 The assembled exposure from the supplied filename. 

50 """ 

51 if dataId is None: 

52 dataId = {} 

53 

54 amps = readRawAmps(fileName, detector=detector) 

55 exp = fixAmpsAndAssemble(amps, str(dataId)) 

56 md = readRawFitsHeader(fileName) 

57 exp.setMetadata(md) 

58 attachRawWcsFromBoresight(exp, dataId) 

59 return exp