def parseCcds(policy, ccdParams, ccdToUse=None):
"""
Make DetectorConfigs for each CCD in the mosaic
@param policy: Poicy object to parse
@param ccdParams: CCD level parameters returned by makeCcdParams
@param ccdToUse: Type of CCD to use to construct the config, use Policy value if None
@return a dictionary containing a list of DetectorConfigs and a dictionary of AmpInfoTable objects
keyed on CCD name
"""
specialChipMap = {}
eParams = makeEparams(policy)
ampInfoDict = {}
ccdInfoList = []
rafts = policy.getArray('Raft')
if len(rafts) > 1:
raise ValueError("Expecting only one raft")
for ccd in rafts[0].getArray('Ccd'):
detConfig = DetectorConfig()
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
if ccdToUse is not None:
ccdParam = ccdParams[ccdToUse]
else:
ccdParam = ccdParams[ccd.get('ptype')]
detConfig.name = ccd.get('name')
detConfig.serial = str(ccd.get('serial'))
detConfig.id = int(ccd.get('name')[-2:])
offset = ccd.getArray('offset')
if ccdParam['offsetUnit'] == 'pixels':
offset[0] *= ccdParam['pixelSize']
offset[1] *= ccdParam['pixelSize']
detConfig.offset_x = offset[0]
detConfig.offset_y = offset[1]
if detConfig.name in specialChipMap:
detConfig.detectorType = specialChipMap[detConfig.name]
else:
detConfig.detectorType = SCIENCE
detConfig.pixelSize_x = ccdParam['pixelSize']
detConfig.pixelSize_y = ccdParam['pixelSize']
detConfig.refpos_x = (ccdParam['xsize'] - 1) / 2.
detConfig.refpos_y = (ccdParam['ysize'] - 1) / 2.
detConfig.bbox_x0 = 0
detConfig.bbox_y0 = 0
detConfig.bbox_x1 = ccdParam['xsize'] - 1
detConfig.bbox_y1 = ccdParam['ysize'] - 1
detConfig.rollDeg = 0.
detConfig.pitchDeg = 0.
detConfig.yawDeg = 90. * ccd.get('nQuarter') + ccd.getArray(
'orientation')[2]
for amp in ccdParam['ampArr']:
eparms = None
for ep in eParams[ccd.get('name')]:
if amp['id'] == ep['index'][0]:
eparms = ep
if eparms is None:
raise ValueError("Could not find electronic params.")
addAmp(ampCatalog, amp, eparms)
ampInfoDict[ccd.get('name')] = ampCatalog
ccdInfoList.append(detConfig)
return {"ccdInfo": ccdInfoList, "ampInfo": ampInfoDict}
def buildDetector(self):
"""Take all the information and build a Detector object.
The Detector object is necessary for doing things like assembly.
Returns
-------
detector : `lsst.afw.cameraGeom.Detector`
The detector.
"""
if self.detector is not None:
return self.detector
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampInfo = afwTable.AmpInfoCatalog(schema)
for ampMetadata in self.ampMetadataList:
record = ampInfo.addNew()
self.defaultAmpMap.setAttributes(record, ampMetadata, self.doRaise)
record.setHasRawInfo(True)
detConfig = afwCameraGeom.DetectorConfig()
self.defaultDetectorMap.setAttributes(detConfig, self.detectorMetadata,
self.doRaise)
self.detector = afwCameraGeom.makeDetector(detConfig, ampInfo,
self.focalPlaneToField)
return self.detector
def makeCcd(ccdId):
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
ccdName = ccdId + 1
for i in range(1):
addAmp(ampCatalog, i, readout[ccdId - 1][i], gain_all[ccdId - 1][i])
return ampCatalog.writeFits("n%s_necam.fits" % ccdName)
def makeCcd():
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
addAmp(ampCatalog)
return ampCatalog.writeFits('g2_goto.fits')
def setUp(self):
ampInfoShema = afwTable.AmpInfoTable.makeMinimalSchema()
ampInfoCat = afwTable.AmpInfoCatalog(ampInfoShema)
ampInfo = ampInfoCat.addNew()
ampInfo.setRawBBox(
afwGeom.Box2I(afwGeom.Point2I(-5, 7), afwGeom.Extent2I(53, 104)))
ampInfo.setSuspectLevel(25000)
self.ampInfo = ampInfo
self.isrTask = ipIsr.IsrTask()
def makeDetector(self,
bbox=None,
numAmps=None,
rowInds=None,
colIndOffsets=None,
detName="det_a",
detSerial="123",
linearityType="LookupTable"):
"""!Make a detector
@param[in] bbox bounding box for image
@param[n] numAmps x,y number of amplifiers (pair of int)
@param[in] rowInds index of lookup table for each amplifier (array of shape numAmps)
@param[in] colIndOffsets column index offset for each amplifier (array of shape numAmps)
@param[in] detName detector name (a str)
@param[in] detSerial detector serial numbe (a str)
@param[in] linearityType name of linearity type (a str)
@return a detector (an lsst.afw.cameraGeom.Detector)
"""
bbox = bbox if bbox is not None else self.bbox
numAmps = numAmps if numAmps is not None else self.numAmps
rowInds = rowInds if rowInds is not None else self.rowInds
colIndOffsets = colIndOffsets if colIndOffsets is not None else self.colIndOffsets
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampInfoCat = afwTable.AmpInfoCatalog(schema)
boxArr = BoxGrid(box=bbox, numColRow=numAmps)
for i in range(numAmps[0]):
for j in range(numAmps[1]):
ampInfo = ampInfoCat.addNew()
ampInfo.setName("amp %d_%d" % (i + 1, j + 1))
ampInfo.setBBox(boxArr[i, j])
ampInfo.setLinearityType(linearityType)
# setLinearityCoeffs is picky about getting a mixed int/float list.
ampInfo.setLinearityCoeffs(
np.array([rowInds[i, j], colIndOffsets[i, j], 0, 0],
dtype=float))
detId = 1
orientation = cameraGeom.Orientation()
pixelSize = afwGeom.Extent2D(1, 1)
transMap = {}
return cameraGeom.Detector(
detName,
detId,
cameraGeom.SCIENCE,
detSerial,
bbox,
ampInfoCat,
orientation,
pixelSize,
transMap,
)
def createDetector(nAmpX, nAmpY, nPixX, nPixY, pre, hOscan, vOscan, ext,
isPerAmp):
'''!Fill ampInfo tables
\param[in] nAmpX -- Number of amps in the x direction
\param[in] nAmpY -- Number of amps in the y direction
\param[in] nPixX -- Number of pixels in the amp in the x direction
\param[in] nPixY -- Number of pixels in the amp in the y direction
\param[in] pre -- Number of prescan rows
\param[in] hOscan -- Number of horizontal overscan columns
\param[in] vOscan -- Number of vertical overscan rows
\param[in] ext -- Number of pixels in the extended register
\param[in] isPerAmp -- Are the raw amp data in separate images?
\return an lsst.afw.cameraGeom.Detector object
'''
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
flipy = True
for iy in range(nAmpY):
flipy = not flipy
flipx = True
for ix in range(nAmpX):
flipx = not flipx
record = ampCatalog.addNew()
populateAmpBoxes(nPixX, nPixY, pre, hOscan, vOscan, ext, flipx,
flipy, ix, iy, isPerAmp, record)
record.setGain(ix + iy * nAmpX + 1.)
detConfig = DetectorConfig()
detConfig.name = 'TestDetector'
detConfig.id = 0
detConfig.bbox_x0 = 0
detConfig.bbox_y0 = 0
detConfig.bbox_x1 = nAmpX * nPixX - 1
detConfig.bbox_y1 = nAmpY * nPixY - 1
detConfig.detectorType = 0 #Science type
detConfig.serial = 'THX1138'
detConfig.offset_x = 0.
detConfig.offset_y = 0.
detConfig.refpos_x = nAmpX * nPixX * 0.5 - 0.5
detConfig.refpos_y = nAmpY * nPixY * 0.5 - 0.5
detConfig.yawDeg = 0.
detConfig.pitchDeg = 0.
detConfig.rollDeg = 0.
detConfig.pixelSize_x = 10. / 1000. #in mm
detConfig.pixelSize_y = 10. / 1000. #in mm
detConfig.transposeDetector = False
detConfig.transformDict.nativeSys = PIXELS.getSysName()
fpTransform = afwGeom.xyTransformRegistry['identity']()
plateScale = 1.
return makeDetector(detConfig, ampCatalog, fpTransform, plateScale)
def makeDetector(self,
bbox=None,
numAmps=None,
sqCoeffs=None,
linearityType="Squared"):
"""!Make a detector
@param[in] bbox bounding box for image
@param[n] numAmps x,y number of amplifiers (pair of int)
@param[in] sqCoeffs square coefficient for each amplifier (2D array of float)
@param[in] detName detector name (a str)
@param[in] detID detector ID (an int)
@param[in] detSerial detector serial numbe (a str)
@param[in] linearityType name of linearity type (a str)
@return a detector (an lsst.afw.cameraGeom.Detector)
"""
bbox = bbox if bbox is not None else self.bbox
numAmps = numAmps if numAmps is not None else self.numAmps
sqCoeffs = sqCoeffs if sqCoeffs is not None else self.sqCoeffs
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampInfoCat = afwTable.AmpInfoCatalog(schema)
boxArr = BoxGrid(box=bbox, numColRow=numAmps)
for i in range(numAmps[0]):
for j in range(numAmps[1]):
ampInfo = ampInfoCat.addNew()
ampInfo.setName("amp %d_%d" % (i + 1, j + 1))
ampInfo.setBBox(boxArr[i, j])
ampInfo.setLinearityType(linearityType)
ampInfo.setLinearityCoeffs([sqCoeffs[i, j]])
detName = "det_a"
detId = 1
detSerial = "123"
orientation = cameraGeom.Orientation()
pixelSize = afwGeom.Extent2D(1, 1)
transMap = {}
return cameraGeom.Detector(
detName,
detId,
cameraGeom.SCIENCE,
detSerial,
bbox,
ampInfoCat,
orientation,
pixelSize,
transMap,
)
def makeCcd(ccdId):
'''
Make a CCD out of a set of amps
Remove the for loop if you only have one amp
per CCD.
note that the name used to be set to 'ccd0_superbit.fits' in
ampCatalog.writeFits('ccd%s_superbit.fits' %ccdId) (ccdId=0)
That causes problems since 'ccd0_superbit' never
appears in header of calib/data files, so not useful as identifier
Changed writeFits to 'superbitccd', which \does\ appear in header
'''
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
for i in range(1):
addAmp(ampCatalog,i,readout[ccdId][i],gain_all[ccdId][i])
return ampCatalog.writeFits('superbitccd.fits')
def makeCcd(ccdName, ccdId, offsetPoint):
"""make the information necessary to build a set detector
@param ccdName: string name of the ccd
@param ccdId: Integer id of the ccd
@param offsetPoint: Point2D position of the center of the ccd in mm
@return a dict of a DetectorConfig and an AmpInfoCatalog
"""
obsSdssDir = lsst.utils.getPackageDir('obs_sdss')
opDir = os.path.join(obsSdssDir, "etc")
sc = SdssCameraState(opDir, "opConfig-50000.par", "opECalib-50000.par")
eparams = sc.getEParams(ccdName)
width = 1024 * 2
height = 1361
pixelSize = 24e-3 # pixel size in mm
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
for i in range(2):
addAmp(ampCatalog, i, eparams[i][1])
detConfig = DetectorConfig()
detConfig.name = ccdName
detConfig.id = ccdId
detConfig.bbox_x0 = 0
detConfig.bbox_y0 = 0
detConfig.bbox_x1 = width - 1
detConfig.bbox_y1 = height - 1
detConfig.serial = ccdName
detConfig.detectorType = SCIENCE
detConfig.offset_x = offsetPoint.getX()
detConfig.offset_y = offsetPoint.getY()
detConfig.refpos_x = (width - 1) / 2.
detConfig.refpos_y = (height - 1) / 2.
detConfig.yawDeg = 0.
detConfig.pitchDeg = 0.
detConfig.rollDeg = 0.
detConfig.pixelSize_x = pixelSize
detConfig.pixelSize_y = pixelSize
detConfig.transposeDetector = False
detConfig.transformDict.nativeSys = PIXELS.getSysName()
return {'ccdConfig': detConfig, 'ampInfo': ampCatalog}
def makeAmpTables(segmentsFile):
"""
Read the segments file from a PhoSim release and produce the appropriate AmpInfo
@param segmentsFile -- String indicating where the file is located
"""
returnDict = {}
readoutMap = {'LL': afwTable.LL, 'LR': afwTable.LR, 'UR': afwTable.UR, 'UL': afwTable.UL}
detectorName = [] # set to a value that is an invalid dict key, to catch bugs
with open(segmentsFile) as fh:
fh.readline()
for l in fh:
els = l.rstrip().split()
detectorName = els[1]
# skip focus and guiding for now:
if detectorName[0] in ('F', 'G'):
continue
if detectorName not in returnDict:
schema = afwTable.AmpInfoTable.makeMinimalSchema()
returnDict[detectorName] = afwTable.AmpInfoCatalog(schema)
record = returnDict[detectorName].addNew()
name = els[2]
gain = float(els[7])
saturation = int(els[8])
readnoise = float(els[9])
xoff = int(els[5])
yoff = int(els[6])
ndatax = int(els[3])
ndatay = int(els[4])
flipx = False
flipy = False
if detectorName.startswith("S") and name == "A":
readCorner = readoutMap['UR']
elif detectorName.startswith("S") and name == "B":
readCorner = readoutMap['UL']
elif detectorName.startswith("N") and name == "A":
readCorner = readoutMap['LL']
elif detectorName.startswith("N") and name == "B":
readCorner = readoutMap['LR']
else:
raise RuntimeError("Did not recognize detector name or amp name")
prescan = 6
hoverscan = 50
voverscan = 50
rawBBox = afwGeom.Box2I(afwGeom.Point2I(xoff, yoff),
afwGeom.Extent2I(ndatax + prescan + hoverscan, ndatay + voverscan))
# Note: I'm not particularry happy with how the data origin is derived (it neglects [xy]off),
# but I don't see a better way.
if readCorner is afwTable.LL:
originRawData = afwGeom.Point2I(xoff + prescan + hoverscan, yoff)
originData = afwGeom.Point2I(0, 0)
originHOverscan = afwGeom.Point2I(xoff + prescan, yoff)
originVOverscan = afwGeom.Point2I(xoff + prescan + hoverscan, yoff + ndatay)
elif readCorner is afwTable.LR:
originRawData = afwGeom.Point2I(xoff, yoff)
originData = afwGeom.Point2I(ndatax, 0)
originHOverscan = afwGeom.Point2I(xoff + ndatax, yoff)
originVOverscan = afwGeom.Point2I(xoff, yoff + ndatay)
elif readCorner is afwTable.UL:
originRawData = afwGeom.Point2I(xoff + prescan + hoverscan, yoff + voverscan)
originData = afwGeom.Point2I(0, 0)
originHOverscan = afwGeom.Point2I(xoff + prescan, yoff + voverscan)
originVOverscan = afwGeom.Point2I(xoff + prescan + hoverscan, yoff)
elif readCorner is afwTable.UR:
originRawData = afwGeom.Point2I(xoff, yoff + voverscan)
originData = afwGeom.Point2I(ndatax, 0)
originHOverscan = afwGeom.Point2I(xoff + ndatax, yoff + voverscan)
originVOverscan = afwGeom.Point2I(xoff, yoff)
else:
raise RuntimeError("Expected readout corner to be LL, LR, UL, or UR")
rawDataBBox = afwGeom.Box2I(originRawData, afwGeom.Extent2I(ndatax, ndatay))
dataBBox = afwGeom.Box2I(originData, afwGeom.Extent2I(ndatax, ndatay))
rawHorizontalOverscanBBox = afwGeom.Box2I(originHOverscan, afwGeom.Extent2I(hoverscan, ndatay))
rawVerticalOverscanBBox = afwGeom.Box2I(originVOverscan, afwGeom.Extent2I(ndatax, voverscan))
print("\nDetector=%s; Amp=%s" % (detectorName, name))
print(rawHorizontalOverscanBBox)
print(rawVerticalOverscanBBox)
print(dataBBox)
print(rawBBox)
# Set the elements of the record for this amp
record.setBBox(dataBBox) # This is the box for the amp in the assembled frame
record.setName(name)
record.setReadoutCorner(readCorner)
record.setGain(gain)
record.setSaturation(saturation)
record.setSuspectLevel(float("nan"))
record.setReadNoise(readnoise)
ampIndex = dict(A=0, B=1)[name]
record.setLinearityCoeffs([ampIndex, 0, 0, 0])
record.setLinearityType(LinearizeLookupTable.LinearityType)
print("Linearity type=%r; coeffs=%s" % (record.getLinearityType(), record.getLinearityCoeffs()))
record.setHasRawInfo(True)
record.setRawFlipX(flipx)
record.setRawFlipY(flipy)
record.setRawBBox(rawBBox)
# I believe that xy offset is not needed if the raw data are pre-assembled
record.setRawXYOffset(afwGeom.Extent2I(0, 0))
"""
if readCorner is afwTable.LL:
record.setRawXYOffset(afwGeom.Extent2I(xoff + prescan + hoverscan, yoff))
elif readCorner is afwTable.LR:
record.setRawXYOffset(afwGeom.Extent2I(xoff, yoff))
elif readCorner is afwTable.UL:
record.setRawXYOffset(afwGeom.Extent2I(xoff + prescan + hoverscan, yoff + voverscan))
elif readCorner is afwTable.UR:
record.setRawXYOffset(afwGeom.Extent2I(xoff, yoff + voverscan))
"""
record.setRawDataBBox(rawDataBBox)
record.setRawHorizontalOverscanBBox(rawHorizontalOverscanBBox)
record.setRawVerticalOverscanBBox(rawVerticalOverscanBBox)
# I think of prescan as being along the bottom of the raw data. I actually
# don't know how you would do a prescan in the serial direction.
record.setRawPrescanBBox(afwGeom.Box2I())
return returnDict
def setUp(self):
self.schema = afwTable.AmpInfoTable.makeMinimalSchema()
self.catalog = afwTable.AmpInfoCatalog(self.schema)
def makeCcd(utId):
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
for i in range(2):
addAmp(ampCatalog, i, readout[utId][i], gain_all[utId][i])
return ampCatalog.writeFits('g%s_goto.fits' % utId[-1])
def __init__(self,
name="detector 1",
id=1,
detType=SCIENCE,
serial="xkcd722",
bbox=None, # do not use mutable objects as defaults
numAmps=3,
pixelSize=(0.02, 0.02),
ampExtent=(5, 6),
orientation=Orientation(),
plateScale=20.0,
radialDistortion=0.925,
modFunc=None,
):
"""!Construct a DetectorWrapper
@param[in] name detector name
@param[in] id detector ID (int)
@param[in] detType detector type (an lsst.afw.cameraGeom.DetectorType)
@param[in] serial serial "number" (a string)
@param[in] bbox bounding box; defaults to (0, 0), (1024x1024) (an lsst.afw.geom.Box2I)
@param[in] numAmps number of amplifiers (int)
@param[in] pixelSize pixel size (mm) (an lsst.afw.geom.Point2D)
@param[in] ampExtent dimensions of amplifier image bbox (an lsst.afw.geom.Extent2I)
@param[in] orientation orientation of CCC in focal plane (lsst.afw.cameraGeom.Orientation)
@param[in] plateScale plate scale in arcsec/mm; 20.0 is for LSST
@param[in] radialDistortion radial distortion, in mm/rad^2
(the r^3 coefficient of the radial distortion polynomial
that converts PUPIL in radians to FOCAL_PLANE in mm);
0.925 is the value Dave Monet measured for lsstSim data
@param[in] modFunc a function that can modify attributes just before constructing the detector;
modFunc receives one argument: a DetectorWrapper with all attributes except detector set.
"""
# note that (0., 0.) for the reference position is the center of the first pixel
self.name = name
self.id = int(id)
self.type = detType
self.serial = serial
if bbox is None:
bbox = afwGeom.Box2I(afwGeom.Point2I(0, 0), afwGeom.Extent2I(1024, 1048))
self.bbox = bbox
self.pixelSize = afwGeom.Extent2D(*pixelSize)
self.ampExtent = afwGeom.Extent2I(*ampExtent)
self.plateScale = float(plateScale)
self.radialDistortion = float(radialDistortion)
schema = afwTable.AmpInfoTable.makeMinimalSchema()
self.ampInfo = afwTable.AmpInfoCatalog(schema)
for i in range(numAmps):
record = self.ampInfo.addNew()
ampName = "amp %d" % (i + 1,)
record.setName(ampName)
record.setBBox(afwGeom.Box2I(afwGeom.Point2I(-1, 1), self.ampExtent))
record.setGain(1.71234e3)
record.setReadNoise(0.521237e2)
record.setReadoutCorner(afwTable.LL)
record.setHasRawInfo(False)
self.orientation = orientation
# compute TAN_PIXELS transform
pScaleRad = afwGeom.arcsecToRad(self.plateScale)
radialDistortCoeffs = [0.0, 1.0/pScaleRad, 0.0, self.radialDistortion/pScaleRad]
focalPlaneToPupil = afwGeom.RadialXYTransform(radialDistortCoeffs)
pixelToTanPixel = makePixelToTanPixel(
bbox = self.bbox,
orientation = self.orientation,
focalPlaneToPupil = focalPlaneToPupil,
pixelSizeMm = self.pixelSize,
plateScale = self.plateScale,
)
self.transMap = {
FOCAL_PLANE: self.orientation.makePixelFpTransform(self.pixelSize),
CameraSys(TAN_PIXELS, self.name): pixelToTanPixel,
CameraSys(ACTUAL_PIXELS, self.name): afwGeom.RadialXYTransform([0, 0.95, 0.01]),
}
if modFunc:
modFunc(self)
self.detector = Detector(
self.name,
self.id,
self.type,
self.serial,
self.bbox,
self.ampInfo,
self.orientation,
self.pixelSize,
self.transMap,
)
def makeAmpTables(segmentsFile, gainFile):
"""
Read the segments file from a PhoSim release and produce the appropriate AmpInfo
@param segmentsFile -- String indicating where the file is located
"""
gainDict = {}
"""
with open(gainFile) as fh:
for l in fh:
els = l.rstrip().split()
gainDict[els[0]] = {'gain':float(els[1]), 'saturation':int(els[2])}
"""
returnDict = {}
#TODO currently there is no linearity provided, but we should identify
#how to get this information.
linearityCoeffs = (0.,1.,0.,0.)
linearityType = "Polynomial"
readoutMap = {'LL':afwTable.LL, 'LR':afwTable.LR, 'UR':afwTable.UR, 'UL':afwTable.UL}
ampCatalog = None
detectorName = [] # set to a value that is an invalid dict key, to catch bugs
correctY0 = False
with open(segmentsFile) as fh:
for l in fh:
if l.startswith("#"):
continue
els = l.rstrip().split()
if len(els) == 4:
if ampCatalog is not None:
returnDict[detectorName] = ampCatalog
detectorName = expandDetectorName(els[0])
numy = int(els[2])
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
if len(els[0].split('_')) == 3: #wavefront sensor
correctY0 = True
else:
correctY0 = False
continue
record = ampCatalog.addNew()
name = els[0].split("_")[-1]
name = '%s,%s'%(name[1], name[2])
#Because of the camera coordinate system, we choose an
#image coordinate system that requires a -90 rotation to get
#the correct pixel positions from the
#phosim segments file
y0 = numy - 1 - int(els[2])
y1 = numy - 1 - int(els[1])
#Another quirk of the phosim file is that one of the wavefront sensor
#chips has an offset of 2000 pix in y. It's always the 'C1' chip.
if correctY0:
if y0 > 0:
y1 -= y0
y0 = 0
x0 = int(els[3])
x1 = int(els[4])
try:
saturation = gainDict[els[0]]['saturation']
gain = gainDict[els[0]]['gain']
except KeyError:
# Set default if no gain exists
saturation = 65535
gain = float(els[7])
readnoise = float(els[11])
bbox = afwGeom.Box2I(afwGeom.Point2I(x0, y0), afwGeom.Point2I(x1, y1))
if int(els[5]) == -1:
flipx = False
else:
flipx = True
if int(els[6]) == 1:
flipy = False
else:
flipy = True
#Since the amps are stored in amp coordinates, the readout is the same
#for all amps
readCorner = readoutMap['LL']
ndatax = x1 - x0 + 1
ndatay = y1 - y0 + 1
#Because in versions v3.3.2 and earlier there was no overscan, we use the extended register as the overscan region
prescan = 1
hoverscan = 0
extended = 4
voverscan = 0
rawBBox = afwGeom.Box2I(afwGeom.Point2I(0,0), afwGeom.Extent2I(extended+ndatax+hoverscan, prescan+ndatay+voverscan))
rawDataBBox = afwGeom.Box2I(afwGeom.Point2I(extended, prescan), afwGeom.Extent2I(ndatax, ndatay))
rawHorizontalOverscanBBox = afwGeom.Box2I(afwGeom.Point2I(0, prescan), afwGeom.Extent2I(extended, ndatay))
rawVerticalOverscanBBox = afwGeom.Box2I(afwGeom.Point2I(extended, prescan+ndatay), afwGeom.Extent2I(ndatax, voverscan))
rawPrescanBBox = afwGeom.Box2I(afwGeom.Point2I(extended, 0), afwGeom.Extent2I(ndatax, prescan))
extraRawX = extended + hoverscan
extraRawY = prescan + voverscan
rawx0 = x0 + extraRawX*(x0//ndatax)
rawy0 = y0 + extraRawY*(y0//ndatay)
#Set the elements of the record for this amp
record.setBBox(bbox)
record.setName(name)
record.setReadoutCorner(readCorner)
record.setGain(gain)
record.setSaturation(saturation)
record.setReadNoise(readnoise)
record.setLinearityCoeffs(linearityCoeffs)
record.setLinearityType(linearityType)
record.setHasRawInfo(True)
record.setRawFlipX(flipx)
record.setRawFlipY(flipy)
record.setRawBBox(rawBBox)
record.setRawXYOffset(afwGeom.Extent2I(rawx0, rawy0))
record.setRawDataBBox(rawDataBBox)
record.setRawHorizontalOverscanBBox(rawHorizontalOverscanBBox)
record.setRawVerticalOverscanBBox(rawVerticalOverscanBBox)
record.setRawPrescanBBox(rawPrescanBBox)
returnDict[detectorName] = ampCatalog
return returnDict
def __init__(
self,
name="detector 1",
id=1,
detType=SCIENCE,
serial="xkcd722",
bbox=None, # do not use mutable objects as defaults
numAmps=3,
pixelSize=(0.02, 0.02),
ampExtent=(5, 6),
orientation=Orientation(),
plateScale=20.0,
radialDistortion=0.925,
crosstalk=None,
modFunc=None,
physicalType="CCD",
):
# note that (0., 0.) for the reference position is the center of the
# first pixel
self.name = name
self.id = int(id)
self.type = detType
self.serial = serial
if bbox is None:
bbox = lsst.geom.Box2I(lsst.geom.Point2I(0, 0),
lsst.geom.Extent2I(1024, 1048))
self.bbox = bbox
self.pixelSize = lsst.geom.Extent2D(*pixelSize)
self.ampExtent = lsst.geom.Extent2I(*ampExtent)
self.plateScale = float(plateScale)
self.radialDistortion = float(radialDistortion)
schema = afwTable.AmpInfoTable.makeMinimalSchema()
self.ampInfo = afwTable.AmpInfoCatalog(schema)
for i in range(numAmps):
record = self.ampInfo.addNew()
ampName = "amp %d" % (i + 1, )
record.setName(ampName)
record.setBBox(
lsst.geom.Box2I(lsst.geom.Point2I(-1, 1), self.ampExtent))
record.setGain(1.71234e3)
record.setReadNoise(0.521237e2)
record.setReadoutCorner(afwTable.LL)
record.setHasRawInfo(False)
self.orientation = orientation
# compute TAN_PIXELS transform
pScaleRad = lsst.geom.arcsecToRad(self.plateScale)
radialDistortCoeffs = [
0.0, 1.0 / pScaleRad, 0.0, self.radialDistortion / pScaleRad
]
focalPlaneToField = afwGeom.makeRadialTransform(radialDistortCoeffs)
pixelToTanPixel = makePixelToTanPixel(
bbox=self.bbox,
orientation=self.orientation,
focalPlaneToField=focalPlaneToField,
pixelSizeMm=self.pixelSize,
)
self.transMap = {
FOCAL_PLANE:
self.orientation.makePixelFpTransform(self.pixelSize),
CameraSys(TAN_PIXELS, self.name):
pixelToTanPixel,
CameraSys(ACTUAL_PIXELS, self.name):
afwGeom.makeRadialTransform([0, 0.95, 0.01]),
}
if crosstalk is None:
crosstalk = [[0.0 for _ in range(numAmps)] for _ in range(numAmps)]
self.crosstalk = crosstalk
self.physicalType = physicalType
if modFunc:
modFunc(self)
self.detector = Detector(
self.name,
self.id,
self.type,
self.serial,
self.bbox,
self.ampInfo,
self.orientation,
self.pixelSize,
self.transMap,
np.array(self.crosstalk, dtype=np.float32),
self.physicalType,
)
def makeAmpCatalogs(self, ampFile, isLsstLike=False):
"""Construct a dict of AmpInfoCatalog, one per detector.
Parameters
----------
ampFile : `str`
Path to amplifier data file.
isLsstLike : `bool`
If True then there is one raw image per amplifier;
if False then there is one raw image per detector.
"""
readoutMap = {
'LL': afwTable.ReadoutCorner.LL,
'LR': afwTable.ReadoutCorner.LR,
'UR': afwTable.ReadoutCorner.UR,
'UL': afwTable.ReadoutCorner.UL,
}
amps = []
with open(ampFile) as fh:
names = fh.readline().rstrip().lstrip("#").split("|")
for l in fh:
els = l.rstrip().split("|")
ampProps = dict([(name, el) for name, el in zip(names, els)])
amps.append(ampProps)
ampTablesDict = {}
schema = afwTable.AmpInfoTable.makeMinimalSchema()
linThreshKey = schema.addField('linearityThreshold', type=np.float64)
linMaxKey = schema.addField('linearityMaximum', type=np.float64)
linUnitsKey = schema.addField('linearityUnits', type=str, size=9)
self.ampInfoDict = {}
for amp in amps:
if amp['ccd_name'] in ampTablesDict:
ampCatalog = ampTablesDict[amp['ccd_name']]
self.ampInfoDict[amp['ccd_name']]['namps'] += 1
else:
ampCatalog = afwTable.AmpInfoCatalog(schema)
ampTablesDict[amp['ccd_name']] = ampCatalog
self.ampInfoDict[amp['ccd_name']] = {'namps': 1, 'linInfo': {}}
record = ampCatalog.addNew()
bbox = lsst.geom.Box2I(
lsst.geom.Point2I(int(amp['trimmed_xmin']),
int(amp['trimmed_ymin'])),
lsst.geom.Point2I(int(amp['trimmed_xmax']),
int(amp['trimmed_ymax'])))
rawBbox = lsst.geom.Box2I(
lsst.geom.Point2I(int(amp['raw_xmin']), int(amp['raw_ymin'])),
lsst.geom.Point2I(int(amp['raw_xmax']), int(amp['raw_ymax'])))
rawDataBbox = lsst.geom.Box2I(
lsst.geom.Point2I(int(amp['raw_data_xmin']),
int(amp['raw_data_ymin'])),
lsst.geom.Point2I(int(amp['raw_data_xmax']),
int(amp['raw_data_ymax'])))
rawHOverscanBbox = lsst.geom.Box2I(
lsst.geom.Point2I(int(amp['hoscan_xmin']),
int(amp['hoscan_ymin'])),
lsst.geom.Point2I(int(amp['hoscan_xmax']),
int(amp['hoscan_ymax'])))
rawVOverscanBbox = lsst.geom.Box2I(
lsst.geom.Point2I(int(amp['voscan_xmin']),
int(amp['voscan_ymin'])),
lsst.geom.Point2I(int(amp['voscan_xmax']),
int(amp['voscan_ymax'])))
rawPrescanBbox = lsst.geom.Box2I(
lsst.geom.Point2I(int(amp['pscan_xmin']),
int(amp['pscan_ymin'])),
lsst.geom.Point2I(int(amp['pscan_xmax']),
int(amp['pscan_ymax'])))
xoffset = int(amp['x_offset'])
yoffset = int(amp['y_offset'])
flipx = bool(int(amp['flipx']))
flipy = bool(int(amp['flipy']))
readcorner = 'LL'
if not isLsstLike:
offext = lsst.geom.Extent2I(xoffset, yoffset)
if flipx:
xExt = rawBbox.getDimensions().getX()
rawBbox.flipLR(xExt)
rawDataBbox.flipLR(xExt)
rawHOverscanBbox.flipLR(xExt)
rawVOverscanBbox.flipLR(xExt)
rawPrescanBbox.flipLR(xExt)
if flipy:
yExt = rawBbox.getDimensions().getY()
rawBbox.flipTB(yExt)
rawDataBbox.flipTB(yExt)
rawHOverscanBbox.flipTB(yExt)
rawVOverscanBbox.flipTB(yExt)
rawPrescanBbox.flipTB(yExt)
if not flipx and not flipy:
readcorner = 'LL'
elif flipx and not flipy:
readcorner = 'LR'
elif flipx and flipy:
readcorner = 'UR'
elif not flipx and flipy:
readcorner = 'UL'
else:
raise RuntimeError("Couldn't find read corner")
flipx = False
flipy = False
rawBbox.shift(offext)
rawDataBbox.shift(offext)
rawHOverscanBbox.shift(offext)
rawVOverscanBbox.shift(offext)
rawPrescanBbox.shift(offext)
xoffset = 0
yoffset = 0
offset = lsst.geom.Extent2I(xoffset, yoffset)
record.setBBox(bbox)
record.setRawXYOffset(offset)
record.setName(str(amp['name']))
record.setReadoutCorner(readoutMap[readcorner])
record.setGain(float(amp['gain']))
record.setReadNoise(float(amp['readnoise']))
record.setLinearityCoeffs([
float(amp['lin_coeffs']),
])
record.setLinearityType(str(amp['lin_type']))
record.setHasRawInfo(True)
record.setRawFlipX(flipx)
record.setRawFlipY(flipy)
record.setRawBBox(rawBbox)
record.setRawDataBBox(rawDataBbox)
record.setRawHorizontalOverscanBBox(rawHOverscanBbox)
record.setRawVerticalOverscanBBox(rawVOverscanBbox)
record.setRawPrescanBBox(rawPrescanBbox)
record.set(linThreshKey, float(amp['lin_thresh']))
record.set(linMaxKey, float(amp['lin_max']))
record.set(linUnitsKey, str(amp['lin_units']))
# The current schema assumes third order coefficients
saveCoeffs = (float(amp['lin_coeffs']), )
saveCoeffs += (np.nan, np.nan, np.nan)
self.ampInfoDict[amp['ccd_name']]['linInfo'][amp['name']] = \
{'lincoeffs': saveCoeffs, 'lintype': str(amp['lin_type']),
'linthresh': float(amp['lin_thresh']), 'linmax': float(amp['lin_max']),
'linunits': str(amp['lin_units'])}
return ampTablesDict
import lsst.afw.table as afwTable
import lsst.afw.geom as afwGeom
import numpy as np
# This is copying from afw/tests/testAmpInfoTable.py:
schema = afwTable.AmpInfoTable.makeMinimalSchema()
catalog = afwTable.AmpInfoCatalog(schema)
record = catalog.addNew()
name = 'Amp1'
bbox = afwGeom.Box2I(afwGeom.Point2I(0, 0), afwGeom.Extent2I(8176, 6132))
gain = 0.7
saturation = 57571
readNoise = 12.5
readoutCorner = afwTable.LL #I think this means Lower Left.
linearityCoeffs = (1.0, np.nan, np.nan, np.nan)
linearityType = "None"
rawBBox = afwGeom.Box2I(afwGeom.Point2I(0, 0), afwGeom.Extent2I(8176, 6132))
rawXYOffset = afwGeom.Extent2I(0, 0)
rawDataBBox = afwGeom.Box2I(afwGeom.Point2I(0, 0),
afwGeom.Extent2I(8176, 6132))
#rawHorizontalOverscanBBox = afwGeom.Box2I(afwGeom.Point2I(8176, 0), afwGeom.Extent2I(0, 8176))
#rawVerticalOverscanBBox = afwGeom.Box2I(afwGeom.Point2I(6132, 0), afwGeom.Extent2I(0, 6132))
rawPrescanBBox = afwGeom.Box2I(afwGeom.Point2I(0, 0), afwGeom.Extent2I(0, 0))
record.setHasRawInfo(True) #Sets the first Flag=True
record.setRawFlipX(False) #Sets the second Flag=False
record.setRawFlipY(False) #Sets the third Flag=False
record.setBBox(bbox)
record.setName(name)
record.setGain(gain)
def parseCcds(policy, ccdParams, ccdToUse=None):
""" parse a policy into a set of ampInfo and detectorConfig objects
@param[in] policy Policy to parse
@param[in] ccdParams dictionary of dictionaries describing the ccds in the camera
@param[in] ccdToUse Override the type of ccd to use given in the policy
@return a dictionary of lists with detectorConfigs with the 'ccdInfo' key and AmpInfoCatalogs
with the 'ampInfo' key
"""
# The pafs I have now in the hsc dir include the focus sensors (but not the guiders)
specialChipMap = {
'108': cameraGeom.FOCUS,
'110': cameraGeom.FOCUS,
'111': cameraGeom.FOCUS,
'107': cameraGeom.FOCUS,
'105': cameraGeom.FOCUS,
'104': cameraGeom.FOCUS,
'109': cameraGeom.FOCUS,
'106': cameraGeom.FOCUS
}
eParams = makeEparams(policy)
lParams = makeLparams(policy)
ampInfoDict = {}
ccdInfoList = []
rafts = policy.getArray('Raft')
if len(rafts) > 1:
raise ValueError("Expecting only one raft")
for ccd in rafts[0].getArray('Ccd'):
detConfig = DetectorConfig()
schema = afwTable.AmpInfoTable.makeMinimalSchema()
ampCatalog = afwTable.AmpInfoCatalog(schema)
if ccdToUse is not None:
ccdParam = ccdParams[ccdToUse]
else:
ccdParam = ccdParams[ccd.get('ptype')]
detConfig.name = ccd.get('name')
#This should be the serial number on the device, but for now is an integer id
detConfig.serial = str(ccd.get('serial'))
detConfig.id = ccd.get('serial')
offset = ccd.getArray('offset')
if ccdParam['offsetUnit'] == 'pixels':
offset[0] *= ccdParam['pixelSize']
offset[1] *= ccdParam['pixelSize']
detConfig.offset_x = offset[0]
detConfig.offset_y = offset[1]
if detConfig.serial in specialChipMap:
detConfig.detectorType = specialChipMap[detConfig.serial]
else:
detConfig.detectorType = SCIENCE
detConfig.pixelSize_x = ccdParam['pixelSize']
detConfig.pixelSize_y = ccdParam['pixelSize']
detConfig.refpos_x = (ccdParam['xsize'] - 1) / 2.
detConfig.refpos_y = (ccdParam['ysize'] - 1) / 2.
detConfig.bbox_x0 = 0
detConfig.bbox_y0 = 0
detConfig.bbox_x1 = ccdParam['xsize'] - 1
detConfig.bbox_y1 = ccdParam['ysize'] - 1
detConfig.rollDeg = 0.
detConfig.pitchDeg = 0.
detConfig.yawDeg = 90. * ccd.get('nQuarter') + ccd.getArray(
'orientation')[2]
for amp in ccdParam['ampArr']:
eparms = None
for ep in eParams[ccd.get('name')]:
if amp['id'] - 1 == ep['index'][0]:
eparms = ep
if eparms is None:
raise ValueError("Could not find electronic params.")
lparms = None
# Only science ccds (serial 0 through 103) have linearity params defined in hsc_geom.paf
if detConfig.detectorType is SCIENCE:
if lParams.has_key(ccd.get('serial')):
for ep in lParams[ccd.get('serial')]:
if amp['id'] == ep['index']:
lparms = ep
if lparms is None:
if lParams.has_key(
-1
): # defaults in suprimecam/Full_Suprimecam*_geom.paf
for ep in lParams[-1]:
if amp['id'] == ep['index']:
lparms = ep
if lparms is None:
raise ValueError("Could not find linearity params.")
if lparms is None:
lparms = {}
lparms['index'] = amp['id']
lparms['coefficient'] = 0.0
lparms['type'] = 'NONE'
lparms['threshold'] = 0.0
lparms['maxCorrectable'] = 0.0
lparms['intensityUnits'] = 'UNKNOWN'
addAmp(ampCatalog, amp, eparms, lparms)
ampInfoDict[ccd.get('name')] = ampCatalog
ccdInfoList.append(detConfig)
return {"ccdInfo": ccdInfoList, "ampInfo": ampInfoDict}