Coverage for python / lsst / obs / subaru / rawFormatter.py: 0%

1# This file is part of obs_subaru. 

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 GNU General Public License 

20# along with this program. If not, see <http://www.gnu.org/licenses/>. 

21 

22from lsst.afw.image import ImageU, bboxFromMetadata 

23from lsst.afw.geom import makeSkyWcs, makeFlippedWcs 

24from lsst.afw.math import flipImage 

25from lsst.geom import Point2D 

26from lsst.obs.base import FitsRawFormatterBase 

27from astro_metadata_translator import HscTranslator 

28 

29from ..hsc.hscFilters import HSC_FILTER_DEFINITIONS 

30from . import HyperSuprimeCam 

31 

32__all__ = ("HyperSuprimeCamRawFormatter", "HyperSuprimeCamCornerRawFormatter", 

33 ) 

34 

35 

36class HyperSuprimeCamRawFormatter(FitsRawFormatterBase): 

37 """Gen3 Butler Formatters for HSC raw data. 

38 """ 

39 

40 FLIP_LR = True 

41 FLIP_TB = False 

42 translatorClass = HscTranslator 

43 filterDefinitions = HSC_FILTER_DEFINITIONS 

44 

45 def getDetector(self, id): 

46 return HyperSuprimeCam().getCamera()[id] 

47 

48 def _createSkyWcsFromMetadata(self): 

49 # We need to know which direction the chip is "flipped" in order to 

50 # make a sensible WCS from the header metadata. 

51 wcs = makeSkyWcs(self.metadata, strip=True) 

52 dimensions = bboxFromMetadata(self.metadata).getDimensions() 

53 center = Point2D(dimensions/2.0) 

54 return makeFlippedWcs(wcs, self.FLIP_LR, self.FLIP_TB, center) 

55 

56 def readImage(self): 

57 if self.file_descriptor.parameters: 

58 # It looks like the Gen2 std_raw code wouldn't have handled 

59 # flipping vs. subimages correctly, so we won't bother to either. 

60 # But we'll make sure no one tries to get a subimage, rather than 

61 # doing something confusing. 

62 raise NotImplementedError("Formatter does not support subimages.") 

63 image = ImageU(self._reader_path) 

64 return flipImage(image, self.FLIP_LR, self.FLIP_TB) 

65 

66 

67class HyperSuprimeCamCornerRawFormatter(HyperSuprimeCamRawFormatter): 

68 

69 FLIP_LR = False 

70 FLIP_TB = True