lsst.meas.modelfit  15.0-3-g150fc43+8
cmodelContinued.py
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2 # LSST Data Management System
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5 # This product includes software developed by the
6 # LSST Project (http://www.lsst.org/).
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22 from __future__ import absolute_import, division, print_function
23 
24 # The Plugin classes here are accessed via registries, not direct imports.
25 __all__ = ("CModelStageConfig", "CModelConfig")
26 
27 from .cmodel import CModelStageControl, CModelControl, CModelAlgorithm
28 
29 from lsst.pex.config import makeConfigClass
30 import lsst.meas.base
31 
32 
33 CModelStageConfig = makeConfigClass(CModelStageControl)
34 CModelConfig = makeConfigClass(CModelControl)
35 
36 apCorrList = ("modelfit_CModel", "modelfit_CModel_initial", "modelfit_CModel_exp", "modelfit_CModel_dev")
37 
38 
39 class CModelSingleFrameConfig(lsst.meas.base.SingleFramePluginConfig, CModelConfig):
40 
41  def setDefaults(self):
42  lsst.meas.base.SingleFramePluginConfig.setDefaults(self)
43  CModelConfig.setDefaults(self)
44 
45 
46 @lsst.meas.base.register("modelfit_CModel", apCorrList=apCorrList)
47 class CModelSingleFramePlugin(lsst.meas.base.SingleFramePlugin):
48  """Single-frame measurement interface for CModelAlgorithm.
49 
50  This class simply provides __init__ and measure methods that matched the SingleFramePlugin signatures
51  and delegate to the CModelAlgorithm's methods.
52  """
53  ConfigClass = CModelSingleFrameConfig
54 
55  @staticmethod
57  return 3.0
58 
59  def __init__(self, config, name, schema, metadata):
60  lsst.meas.base.SingleFramePlugin.__init__(self, config, name, schema, metadata)
61  self.algorithm = CModelAlgorithm(name, config.makeControl(), schema)
62 
63  def measure(self, measRecord, exposure):
64  self.algorithm.measure(measRecord, exposure)
65 
66  def fail(self, measRecord, error=None):
67  self.algorithm.fail(measRecord, error.cpp if error is not None else None)
68 
69 
70 class CModelForcedConfig(lsst.meas.base.ForcedPluginConfig, CModelConfig):
71 
72  def setDefaults(self):
73  lsst.meas.base.ForcedPluginConfig.setDefaults(self)
74  CModelConfig.setDefaults(self)
75 
76 
77 @lsst.meas.base.register("modelfit_CModel", apCorrList=apCorrList)
78 class CModelForcedPlugin(lsst.meas.base.ForcedPlugin):
79  """Forced measurement interface for CModelAlgorithm
80 
81  This class simply provides __init__ and measure methods that matched the ForcedPlugin signatures
82  and delegate to CModelAlgorithm implementations.
83 
84  The CModel algorithm currently cannot be run in forced mode when the measurement WCS is different
85  from the reference WCS (as is the case in CCD forced photometry). This is a temporary limitation
86  that will be addressed on DM-5405.
87 
88  CModel forced measurement when the measurement image is the same as the reference image should be
89  almost -- but not quite -- identical to unforced measurement. The primary difference is that
90  the final fit region from the reference measurement will be used for the initial fit in forced mode
91  as well as the exp, dev, and combined exp+dev fits
92  """
93  ConfigClass = CModelForcedConfig
94 
95  @staticmethod
97  return 3.0
98 
99  def __init__(self, config, name, schemaMapper, metadata):
100  lsst.meas.base.ForcedPlugin.__init__(self, config, name, schemaMapper, metadata)
101  self.algorithm = CModelAlgorithm(name, config.makeControl(), schemaMapper)
102 
103  def measure(self, measRecord, exposure, refRecord, refWcs):
104  if refWcs != exposure.getWcs():
106  "CModel forced measurement currently requires the measurement image to have the same"
107  " Wcs as the reference catalog (this is a temporary limitation)."
108  )
109  self.algorithm.measure(measRecord, exposure, refRecord)
110 
111  def fail(self, measRecord, error=None):
112  self.algorithm.fail(measRecord, error.cpp if error is not None else None)
def measure(self, measRecord, exposure, refRecord, refWcs)
def __init__(self, config, name, schemaMapper, metadata)