DetectorCurve¶
- class lsst.meas.algorithms.DetectorCurve(wavelength, efficiency, metadata)¶
Bases:
Curve
Subclass of
Curve
that represents a single curve per detector.- Parameters:
- wavelength
astropy.units.Quantity
Wavelength values for this curve
- efficiency
astropy.units.Quantity
Quantum efficiency values for this curve
- metadata
dict
Dictionary of metadata for this curve
- wavelength
Attributes Summary
Methods Summary
compare_metadata
(other[, keys_to_compare])Compare metadata in this object to another.
evaluate
(detector, position, wavelength[, ...])Interpolate the curve at the specified position and wavelength.
fromTable
(table)Class method for constructing a
Curve
object.Return metadata
interpolate
(wavelengths, values, wavelength, ...)Interplate the curve at the specified wavelength(s).
readFits
(filename)Class method for constructing a
Curve
object from the standardized FITS format.readText
(filename)Class method for constructing a
Curve
object from the standardized text format.toTable
()Convert this
Curve
object to anastropy.table.QTable
.writeFits
(filename)Write the
Curve
out to a FITS file.writeText
(filename)Write the
Curve
out to a text file.Attributes Documentation
- mode = 'DETECTOR'¶
- subclasses = {'AMP': <class 'lsst.meas.algorithms.simple_curve.AmpCurve'>, 'DETECTOR': <class 'lsst.meas.algorithms.simple_curve.DetectorCurve'>, 'IMAGE': <class 'lsst.meas.algorithms.simple_curve.ImageCurve'>}¶
Methods Documentation
- compare_metadata(other, keys_to_compare=['MODE', 'TYPE', 'CALIBDATE', 'INSTRUME', 'OBSTYPE', 'DETECTOR'])¶
Compare metadata in this object to another.
- evaluate(detector, position, wavelength, kind='linear', bounds_error=False, fill_value=0)¶
Interpolate the curve at the specified position and wavelength.
- Parameters:
- detector
lsst.afw.cameraGeom.Detector
Is used to find the appropriate curve given the position for curves that vary over the detector. Ignored in the case where there is only a single curve per detector.
- position
lsst.geom.Point2D
The position on the detector at which to evaluate the curve.
- wavelength
astropy.units.Quantity
The wavelength(s) at which to make the interpolation.
- kind
str
, optional The type of interpolation to do (default is ‘linear’). See documentation for
scipy.interpolate.interp1d
for accepted values.- bounds_error
bool
, optional Raise error if interpolating outside the range of x? (default is False)
- fill_value
float
, optional Fill values outside the range of x with this value (default is 0).
- detector
- Returns:
- value
astropy.units.Quantity
Interpolated value(s). Number of values returned will match the length of
wavelength
.
- value
- Raises:
- ValueError
If the
bounds_error
is changed from the default, it will raise aValueError
if evaluating outside the bounds of the curve.
- classmethod fromTable(table)¶
Class method for constructing a
Curve
object.- Parameters:
- table
astropy.table.QTable
Table containing metadata and columns necessary for constructing a
Curve
object.
- table
- Returns:
- interpolate(wavelengths, values, wavelength, kind, bounds_error, fill_value)¶
Interplate the curve at the specified wavelength(s).
- Parameters:
- wavelengths
astropy.units.Quantity
The wavelength values for the curve.
- values
astropy.units.Quantity
The y-values for the curve.
- wavelength
astropy.units.Quantity
The wavelength(s) at which to make the interpolation.
- kind
str
The type of interpolation to do. See documentation for
scipy.interpolate.interp1d
for accepted values.
- wavelengths
- Returns:
- value
astropy.units.Quantity
Interpolated value(s)
- value
- classmethod readFits(filename)¶
Class method for constructing a
Curve
object from the standardized FITS format.
- classmethod readText(filename)¶
Class method for constructing a
Curve
object from the standardized text format.
- toTable()¶
Convert this
Curve
object to anastropy.table.QTable
.- Returns:
- table
astropy.table.QTable
A table object containing the data from this
Curve
.
- table