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# This file is part of obs_decam. 

# 

# 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/>. 

 

"""Butler instrument description for the Dark Energy Camera. 

""" 

 

__all__ = ("DarkEnergyCamera",) 

 

import os 

 

from lsst.afw.cameraGeom import makeCameraFromPath, CameraConfig 

from lsst.daf.butler.instrument import Instrument 

from lsst.obs.decam.decamFilters import DECAM_FILTER_DEFINITIONS 

 

from lsst.utils import getPackageDir 

 

 

class DarkEnergyCamera(Instrument): 

filterDefinitions = DECAM_FILTER_DEFINITIONS 

 

def __init__(self, **kwargs): 

super().__init__(**kwargs) 

packageDir = getPackageDir("obs_decam") 

self.configPaths = [os.path.join(packageDir, "config")] 

 

@classmethod 

def getName(cls): 

return "DECam" 

 

def getCamera(self): 

path = os.path.join(getPackageDir("obs_decam"), "decam", "camGeom") 

config = CameraConfig() 

config.load(os.path.join(path, "camera.py")) 

return makeCameraFromPath( 

cameraConfig=config, 

ampInfoPath=path, 

shortNameFunc=lambda name: name.replace(" ", "_"), 

) 

 

def register(self, registry): 

camera = self.getCamera() 

dataId = {"instrument": self.getName()} 

obsMax = 2**31 

registry.addDimensionEntry("instrument", dataId, 

entries={"detector_max": 64, 

"visit_max": obsMax, 

"exposure_max": obsMax}) 

 

for detector in camera: 

registry.addDimensionEntry( 

"detector", dataId, 

detector=detector.getId(), 

name=detector.getName(), 

) 

 

self._registerFilters(registry) 

 

def getRawFormatter(self, dataId): 

# local import to prevent circular dependency 

from .rawFormatter import DarkEnergyCameraRawFormatter 

return DarkEnergyCameraRawFormatter 

 

def writeCuratedCalibrations(self, butler): 

# TODO: DM-21016 

pass