def makeCameraFromPolicy(filename, writeRepo=False, outputDir=None, doClobber=False, ccdToUse=None, shortNameMethod=lambda x: x):
"""
Make a Camera from a paf file
@param filename: name of policy file to read
@param writeRepo: write out repository files?
@param outputDir: output directory to write files into
@param doClobber: clobber any files existing in the repository?
@param ccdToUse: Type of ccd to use, otherwise use ccd specified in the paf
@param shortNameMethod: Method to compactify ccd names into names easily used in paths
@return Camera object
"""
#This is all fragile as the CameraGeomDictionary.paf will go away.
policyFile = pexPolicy.DefaultPolicyFile("afw", "CameraGeomDictionary.paf", "policy")
defPolicy = pexPolicy.Policy.createPolicy(policyFile, policyFile.getRepositoryPath(), True)
polFile = pexPolicy.DefaultPolicyFile("obs_cfht", filename)
geomPolicy = pexPolicy.Policy.createPolicy(polFile)
geomPolicy.mergeDefaults(defPolicy.getDictionary())
ampParams = makeAmpParams(geomPolicy)
ccdParams = makeCcdParams(geomPolicy, ampParams)
ccdInfoDict = parseCcds(geomPolicy, ccdParams, ccdToUse)
camConfig = parseCamera(geomPolicy)
camConfig.detectorList = dict([(i, ccdInfo) for i, ccdInfo in enumerate(ccdInfoDict['ccdInfo'])])
if writeRepo:
if outputDir is None:
raise ValueError("Need output directory for writting")
def makeDir(dirPath, doClobber=False):
"""Make a directory; if it exists then clobber or fail, depending on doClobber
@param[in] dirPath: path of directory to create
@param[in] doClobber: what to do if dirPath already exists:
if True and dirPath is a dir, then delete it and recreate it, else raise an exception
@throw RuntimeError if dirPath exists and doClobber False
"""
if os.path.exists(dirPath):
if doClobber and os.path.isdir(dirPath):
print "Clobbering directory %r" % (dirPath,)
shutil.rmtree(dirPath)
else:
raise RuntimeError("Directory %r exists" % (dirPath,))
print "Creating directory %r" % (dirPath,)
os.makedirs(dirPath)
# write data products
makeDir(dirPath=outputDir, doClobber=doClobber)
camConfigPath = os.path.join(outputDir, "camera.py")
with open(camConfigPath, 'w') as outfile:
outfile.write("#!!!!This file is auto generated.----Do not edit!!!!\n"+\
"#!!!!Edit input file and regenerate with $OBS_CFHT_DIR/bin/genCameraRepository.py\n")
camConfig.saveToStream(outfile)
for detectorName, ampTable in ccdInfoDict['ampInfo'].iteritems():
shortDetectorName = shortNameMethod(detectorName)
ampInfoPath = os.path.join(outputDir, shortDetectorName + ".fits")
ampTable.writeFits(ampInfoPath)
return makeCameraFromCatalogs(camConfig, ccdInfoDict['ampInfo'])
def ReturnCamera(baseDir):
"""
This method reads in the files
baseDir/focalplanelayout.txt
baseDir/segmentation.txt
and returns an afw.cameraGeom object
Below is the original documentation of the function this code was copied from:
Create the configs for building a camera. This runs on the files distributed with PhoSim. Currently gain and
saturation need to be supplied as well. The file should have three columns: on disk amp id (R22_S11_C00), gain, saturation.
For example:
DetectorLayoutFile -- https://dev.lsstcorp.org/cgit/LSST/sims/phosim.git/plain/data/lsst/focalplanelayout.txt?h=dev
SegmentsFile -- https://dev.lsstcorp.org/cgit/LSST/sims/phosim.git/plain/data/lsst/segmentation.txt?h=dev
"""
defaultOutDir = 'scratch'
DetectorLayoutFile = os.path.join(baseDir, 'focalplanelayout.txt')
SegmentsFile = os.path.join(baseDir, 'segmentation.txt')
GainFile = None
phosimVersion='1.0'
ampTableDict = makeAmpTables(SegmentsFile, GainFile)
detectorConfigList = makeDetectorConfigs(DetectorLayoutFile, phosimVersion)
#Build the camera config.
camConfig = CameraConfig()
camConfig.detectorList = dict([(i,detectorConfigList[i]) for i in range(len(detectorConfigList))])
camConfig.name = 'LSST'
camConfig.plateScale = 2.0 #arcsec per mm
pScaleRad = afwGeom.arcsecToRad(camConfig.plateScale)
pincushion = 0.925
# Don't have this yet ticket/3155
#camConfig.boresiteOffset_x = 0.
#camConfig.boresiteOffset_y = 0.
tConfig = afwGeom.TransformConfig()
tConfig.transform.name = 'inverted'
radialClass = afwGeom.xyTransformRegistry['radial']
tConfig.transform.active.transform.retarget(radialClass)
# According to Dave M. the simulated LSST transform is well approximated (1/3 pix)
# by a scale and a pincusion.
#this is ultimately used to convert from focal plane coordinates to pupil coordinates
#see the asgnment below to tmc.transforms
tConfig.transform.active.transform.coeffs = [0., 1./pScaleRad, 0., pincushion/pScaleRad]
#tConfig.transform.active.boresiteOffset_x = camConfig.boresiteOffset_x
#tConfig.transform.active.boresiteOffset_y = camConfig.boresiteOffset_y
tmc = afwGeom.TransformMapConfig()
tmc.nativeSys = FOCAL_PLANE.getSysName()
tmc.transforms = {PUPIL.getSysName():tConfig}
camConfig.transformDict = tmc
myCamera = makeCameraFromCatalogs(camConfig, ampTableDict)
return myCamera
def ReturnCamera(baseDir):
"""
This method reads in the files
baseDir/focalplanelayout.txt
baseDir/segmentation.txt
and returns an afw.cameraGeom object
Below is the original documentation of the function this code was copied from:
Create the configs for building a camera. This runs on the files distributed with PhoSim. Currently gain and
saturation need to be supplied as well. The file should have three columns: on disk amp id (R22_S11_C00), gain, saturation.
For example:
DetectorLayoutFile -- https://dev.lsstcorp.org/cgit/LSST/sims/phosim.git/plain/data/lsst/focalplanelayout.txt?h=dev
SegmentsFile -- https://dev.lsstcorp.org/cgit/LSST/sims/phosim.git/plain/data/lsst/segmentation.txt?h=dev
"""
defaultOutDir = 'scratch'
DetectorLayoutFile = os.path.join(baseDir, 'focalplanelayout.txt')
SegmentsFile = os.path.join(baseDir, 'segmentation.txt')
GainFile = None
phosimVersion='1.0'
ampTableDict = makeAmpTables(SegmentsFile, GainFile)
detectorConfigList = makeDetectorConfigs(DetectorLayoutFile, phosimVersion)
#Build the camera config.
camConfig = CameraConfig()
camConfig.detectorList = dict([(i,detectorConfigList[i]) for i in xrange(len(detectorConfigList))])
camConfig.name = 'LSST'
camConfig.plateScale = 2.0 #arcsec per mm
pScaleRad = afwGeom.arcsecToRad(camConfig.plateScale)
pincushion = 0.925
# Don't have this yet ticket/3155
#camConfig.boresiteOffset_x = 0.
#camConfig.boresiteOffset_y = 0.
tConfig = afwGeom.TransformConfig()
tConfig.transform.name = 'inverted'
radialClass = afwGeom.xyTransformRegistry['radial']
tConfig.transform.active.transform.retarget(radialClass)
# According to Dave M. the simulated LSST transform is well approximated (1/3 pix)
# by a scale and a pincusion.
#this is ultimately used to convert from focal plane coordinates to pupil coordinates
#see the asgnment below to tmc.transforms
tConfig.transform.active.transform.coeffs = [0., 1./pScaleRad, 0., pincushion/pScaleRad]
#tConfig.transform.active.boresiteOffset_x = camConfig.boresiteOffset_x
#tConfig.transform.active.boresiteOffset_y = camConfig.boresiteOffset_y
tmc = afwGeom.TransformMapConfig()
tmc.nativeSys = FOCAL_PLANE.getSysName()
tmc.transforms = {PUPIL.getSysName():tConfig}
camConfig.transformDict = tmc
myCamera = makeCameraFromCatalogs(camConfig, ampTableDict)
return myCamera
def makeCameraFromPolicy(filename,
cameraname,
writeRepo=False,
outputDir=None,
doClobber=False,
shortNameMethod=lambda x: x):
"""Make a camera repository suitable for reading by the butler using a policy file
@param[in] filename Name of the policy file to open.
@param[in] cameraname Name of the camera being used
@param[in] writeRepo Write the repository to disk? Default is False
@param[in] outputDir Directory to write to.
@param[in] doClobber Clobber existing repository?
@param[in] shortNameMethod Method to generate short, filename-like names for sensors
@return a Camera object.
"""
policyFile = pexPolicy.DefaultPolicyFile("afw", "CameraGeomDictionary.paf",
"policy")
defPolicy = pexPolicy.Policy.createPolicy(policyFile,
policyFile.getRepositoryPath(),
True)
polFile = pexPolicy.DefaultPolicyFile("obs_subaru", filename)
geomPolicy = pexPolicy.Policy.createPolicy(polFile)
geomPolicy.mergeDefaults(defPolicy.getDictionary())
ampParams = makeAmpParams(geomPolicy)
ccdParams = makeCcdParams(geomPolicy, ampParams)
ccdToUse = None
ccdInfoDict = parseCcds(geomPolicy, ccdParams, ccdToUse)
camConfig = parseCamera(geomPolicy, cameraname)
camConfig.detectorList = dict([
(i, ccdInfo) for i, ccdInfo in enumerate(ccdInfoDict['ccdInfo'])
])
if writeRepo:
if outputDir is None:
raise ValueError("Need output directory for writting")
# write data products
makeDir(dirPath=outputDir, doClobber=doClobber)
camConfigPath = os.path.join(outputDir, "camera.py")
camConfig.save(camConfigPath)
for detectorName, ampTable in ccdInfoDict['ampInfo'].iteritems():
shortDetectorName = shortNameMethod(detectorName)
ampInfoPath = os.path.join(outputDir, shortDetectorName + ".fits")
ampTable.writeFits(ampInfoPath)
return makeCameraFromCatalogs(camConfig, ccdInfoDict['ampInfo'])
def makeCamera(name="SDSS", outputDir=None):
"""Make a camera
@param name: name of the camera
@param outputDir: If not None, write the objects used to make the camera to this location
@return a camera object
"""
camConfig = CameraConfig()
camConfig.name = name
camConfig.detectorList = {}
camConfig.plateScale = 16.5 # arcsec/mm
pScaleRad = afwGeom.arcsecToRad(camConfig.plateScale)
radialDistortCoeffs = [0.0, 1.0 / pScaleRad]
tConfig = afwGeom.TransformConfig()
tConfig.transform.name = 'inverted'
radialClass = afwGeom.xyTransformRegistry['radial']
tConfig.transform.active.transform.retarget(radialClass)
tConfig.transform.active.transform.coeffs = radialDistortCoeffs
tmc = afwGeom.TransformMapConfig()
tmc.nativeSys = FOCAL_PLANE.getSysName()
tmc.transforms = {PUPIL.getSysName(): tConfig}
camConfig.transformDict = tmc
ccdId = 0
ampInfoCatDict = {}
for i in range(6):
dewarName = str(i + 1)
filters = "riuzg"
for j, c in enumerate(reversed(filters)):
ccdName = "%s%s" % (c, dewarName)
offsetPoint = afwGeom.Point2D(25.4 * 2.5 * (2.5 - i),
25.4 * 2.1 * (2.0 - j))
ccdInfo = makeCcd(ccdName, ccdId, offsetPoint)
ampInfoCatDict[ccdName] = ccdInfo['ampInfo']
camConfig.detectorList[ccdId] = ccdInfo['ccdConfig']
ccdId += 1
if outputDir is not None:
camConfig.save(os.path.join(outputDir, 'camera.py'))
for k in ampInfoCatDict:
ampInfoCatDict[k].writeFits(
os.path.join(outputDir, "%s.fits" % (k)))
return makeCameraFromCatalogs(camConfig, ampInfoCatDict)
def makeCamera(name="SDSS", outputDir=None):
"""Make a camera
@param name: name of the camera
@param outputDir: If not None, write the objects used to make the camera to this location
@return a camera object
"""
camConfig = CameraConfig()
camConfig.name = name
camConfig.detectorList = {}
camConfig.plateScale = 16.5 # arcsec/mm
pScaleRad = afwGeom.arcsecToRad(camConfig.plateScale)
radialDistortCoeffs = [0.0, 1.0/pScaleRad]
tConfig = afwGeom.TransformConfig()
tConfig.transform.name = 'inverted'
radialClass = afwGeom.transformRegistry['radial']
tConfig.transform.active.transform.retarget(radialClass)
tConfig.transform.active.transform.coeffs = radialDistortCoeffs
tmc = TransformMapConfig()
tmc.nativeSys = FOCAL_PLANE.getSysName()
tmc.transforms = {FIELD_ANGLE.getSysName(): tConfig}
camConfig.transformDict = tmc
ccdId = 0
ampInfoCatDict = {}
for i in range(6):
dewarName = str(i+1)
filters = "riuzg"
for j, c in enumerate(reversed(filters)):
ccdName = "%s%s" % (c, dewarName)
offsetPoint = afwGeom.Point2D(25.4*2.5*(2.5-i), 25.4*2.1*(2.0 - j))
ccdInfo = makeCcd(ccdName, ccdId, offsetPoint)
ampInfoCatDict[ccdName] = ccdInfo['ampInfo']
camConfig.detectorList[ccdId] = ccdInfo['ccdConfig']
ccdId += 1
if outputDir is not None:
camConfig.save(os.path.join(outputDir, 'camera.py'))
for k in ampInfoCatDict:
ampInfoCatDict[k].writeFits(os.path.join(outputDir, "%s.fits"%(k)))
return makeCameraFromCatalogs(camConfig, ampInfoCatDict)
def makeCameraFromPolicy(filename, cameraname, writeRepo=False, outputDir=None, doClobber=False, shortNameMethod=lambda x: x):
"""Make a camera repository suitable for reading by the butler using a policy file
@param[in] filename Name of the policy file to open.
@param[in] cameraname Name of the camera being used
@param[in] writeRepo Write the repository to disk? Default is False
@param[in] outputDir Directory to write to.
@param[in] doClobber Clobber existing repository?
@param[in] shortNameMethod Method to generate short, filename-like names for sensors
@return a Camera object.
"""
policyFile = pexPolicy.DefaultPolicyFile("afw", "CameraGeomDictionary.paf", "policy")
defPolicy = pexPolicy.Policy.createPolicy(policyFile, policyFile.getRepositoryPath(), True)
polFile = pexPolicy.DefaultPolicyFile("obs_subaru", filename)
geomPolicy = pexPolicy.Policy.createPolicy(polFile)
geomPolicy.mergeDefaults(defPolicy.getDictionary())
ampParams = makeAmpParams(geomPolicy)
ccdParams = makeCcdParams(geomPolicy, ampParams)
ccdToUse = None
ccdInfoDict = parseCcds(geomPolicy, ccdParams, ccdToUse)
camConfig = parseCamera(geomPolicy, cameraname)
camConfig.detectorList = dict([(i, ccdInfo) for i, ccdInfo in enumerate(ccdInfoDict['ccdInfo'])])
if writeRepo:
if outputDir is None:
raise ValueError("Need output directory for writting")
# write data products
makeDir(dirPath=outputDir, doClobber=doClobber)
camConfigPath = os.path.join(outputDir, "camera.py")
camConfig.save(camConfigPath)
for detectorName, ampTable in ccdInfoDict['ampInfo'].iteritems():
shortDetectorName = shortNameMethod(detectorName)
ampInfoPath = os.path.join(outputDir, shortDetectorName + ".fits")
ampTable.writeFits(ampInfoPath)
return makeCameraFromCatalogs(camConfig, ccdInfoDict['ampInfo'])
