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# This file is part of obs_subaru. 

# 

# 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 GNU General Public License 

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

 

"""Gen3 Butler Formatters for HSC raw data. 

""" 

 

from lsst.afw.image import ImageU, bboxFromMetadata 

from lsst.afw.geom import makeSkyWcs, Point2D, makeFlippedWcs 

from lsst.afw.math import flipImage 

from lsst.daf.butler.formatters.fitsRawFormatterBase import FitsRawFormatterBase 

 

from ....hsc.makeHscRawVisitInfo import MakeHscRawVisitInfo 

 

__all__ = ("HyperSuprimeCamRawFormatter", "HyperSuprimeCamCornerRawFormatter") 

 

 

class HyperSuprimeCamRawFormatter(FitsRawFormatterBase): 

 

FLIP_LR = True 

FLIP_TB = False 

 

def makeVisitInfo(self, metadata): 

maker = MakeHscRawVisitInfo() 

return maker(metadata) 

 

def makeWcs(self, metadata): 

wcs = makeSkyWcs(metadata, strip=True) 

dimensions = bboxFromMetadata(metadata).getDimensions() 

center = Point2D(dimensions/2.0) 

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

 

def readImage(self, fileDescriptor): 

image = ImageU(fileDescriptor.location.path) 

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

 

 

class HyperSuprimeCamCornerRawFormatter(HyperSuprimeCamRawFormatter): 

 

FLIP_LR = False 

FLIP_TB = True