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# This file is part of obs_test. 

# 

# 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/>. 

# 

__all__ = ["TestMapper", "MapperForTestCalexpMetadataObjects"] 

 

import os 

 

import lsst.utils 

import lsst.afw.image.utils as afwImageUtils 

import lsst.daf.persistence as dafPersist 

from lsst.obs.base import CameraMapper 

from .testCamera import TestCamera 

from .makeTestRawVisitInfo import MakeTestRawVisitInfo 

 

 

class TestMapper(CameraMapper): 

"""Camera mapper for the Test camera. 

""" 

packageName = 'obs_test' 

 

MakeRawVisitInfoClass = MakeTestRawVisitInfo 

 

def __init__(self, inputPolicy=None, **kwargs): 

policyFilePath = dafPersist.Policy.defaultPolicyFile(self.packageName, "testMapper.yaml", "policy") 

policy = dafPersist.Policy(policyFilePath) 

 

self.doFootprints = False 

if inputPolicy is not None: 

for kw in inputPolicy.paramNames(True): 

if kw == "doFootprints": 

self.doFootprints = True 

else: 

kwargs[kw] = inputPolicy.get(kw) 

 

CameraMapper.__init__(self, policy, policyFilePath, **kwargs) 

self.filterIdMap = { 

'u': 0, 'g': 1, 'r': 2, 'i': 3, 'z': 4, 'y': 5, 'i2': 5} 

 

# The LSST Filters from L. Jones 04/07/10 

afwImageUtils.defineFilter('u', 364.59) 

afwImageUtils.defineFilter('g', 476.31) 

afwImageUtils.defineFilter('r', 619.42) 

afwImageUtils.defineFilter('i', 752.06) 

afwImageUtils.defineFilter('z', 866.85) 

afwImageUtils.defineFilter('y', 971.68, alias=['y4']) # official y filter 

 

def _extractDetectorName(self, dataId): 

return "0" 

 

def _defectLookup(self, dataId): 

"""Find the defects for a given CCD. 

 

Parameters 

---------- 

dataId : `dict` 

Dataset identifier 

 

Returns 

------- 

result : `str` 

Path to the defects file. 

 

Raises 

------ 

RuntimeError 

If ``obs_test`` is not setup. 

""" 

obsTestDir = lsst.utils.getPackageDir('obs_test') 

 

return os.path.join(obsTestDir, "data", "input", "defects", "defects.fits") 

 

def _computeCcdExposureId(self, dataId): 

"""Compute the 64-bit (long) identifier for a CCD exposure. 

 

Parameters 

---------- 

dataId : `dict` 

Data identifier with visit 

""" 

visit = dataId['visit'] 

return int(visit) 

 

def bypass_ccdExposureId(self, datasetType, pythonType, location, dataId): 

return self._computeCcdExposureId(dataId) 

 

def bypass_ccdExposureId_bits(self, datasetType, pythonType, location, dataId): 

return 41 

 

def validate(self, dataId): 

visit = dataId.get("visit") 

if visit is not None and not isinstance(visit, int): 

dataId["visit"] = int(visit) 

return dataId 

 

def _setCcdExposureId(self, propertyList, dataId): 

propertyList.set("Computed_ccdExposureId", self._computeCcdExposureId(dataId)) 

return propertyList 

 

def _makeCamera(self, policy, repositoryDir): 

"""Make a camera describing the camera geometry. 

 

Returns 

------- 

testCamera : `TestCamera` 

Test camera. 

""" 

return TestCamera() 

 

 

class MapperForTestCalexpMetadataObjects(lsst.obs.base.CameraMapper): 

"""Minimal mapper for testing calexp composite access, e.g. calexp_wcs. 

 

Used by test_metadataObjectAccess.py. 

""" 

packageName = "obs_test" 

 

def __init__(self, root, parentRegistry=None, repositoryCfg=None): 

policyFilePath = dafPersist.Policy.defaultPolicyFile( 

self.packageName, "testCalexpMetadataObjects.yaml", "policy") 

policy = dafPersist.Policy(policyFilePath) 

super(MapperForTestCalexpMetadataObjects, self).__init__( 

policy, repositoryDir=root, root=root, parentRegistry=None, repositoryCfg=None) 

self.filterIdMap = { 

'u': 0, 'g': 1, 'r': 2, 'i': 3, 'z': 4, 'y': 5, 'i2': 5} 

# The LSST Filters from L. Jones 04/07/10 

afwImageUtils.defineFilter('u', 364.59) 

afwImageUtils.defineFilter('g', 476.31) 

afwImageUtils.defineFilter('r', 619.42) 

afwImageUtils.defineFilter('i', 752.06) 

afwImageUtils.defineFilter('z', 866.85) 

afwImageUtils.defineFilter('y', 971.68, alias=['y4']) # official y filter 

 

def _makeCamera(self, policy, repositoryDir): 

"""Normally this makes a camera. For composite testing, we don't need a camera. 

""" 

return TestCamera() 

 

def _extractDetectorName(self, dataId): 

"""Normally this extracts the detector (CCD) name from the dataset 

identifier. The name in question is the detector name used by 

lsst.afw.cameraGeom. 

 

We don't need anything meaninful here, so just override so as not to 

throw (in the base class impl) 

""" 

return "0"