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LSST Data Management Base Package
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Public Member Functions | Public Attributes | List of all members
lsst.display.matplotlib.matplotlib.AsinhZScaleNormalize Class Reference
Inheritance diagram for lsst.display.matplotlib.matplotlib.AsinhZScaleNormalize:
lsst.display.matplotlib.matplotlib.AsinhNormalize lsst.display.matplotlib.matplotlib.Normalize

Public Member Functions

 __init__ (self, image=None, Q=8)
 

Public Attributes

 mapping
 

Detailed Description

Provide an asinh stretch using zscale to set limits for mtv()

Definition at line 813 of file matplotlib.py.

Constructor & Destructor Documentation

◆ __init__()

lsst.display.matplotlib.matplotlib.AsinhZScaleNormalize.__init__ ( self,
image = None,
Q = 8 )
Initialise an object able to carry out an asinh mapping

@param image  image to use estimate minimum and dataRange using zscale
              (see AsinhNormalize)
@param Q Softening parameter (default: 8)

See Lupton et al., PASP 116, 133

Reimplemented from lsst.display.matplotlib.matplotlib.AsinhNormalize.

Definition at line 815 of file matplotlib.py.

815 def __init__(self, image=None, Q=8):
816 """Initialise an object able to carry out an asinh mapping
817
818 @param image image to use estimate minimum and dataRange using zscale
819 (see AsinhNormalize)
820 @param Q Softening parameter (default: 8)
821
822 See Lupton et al., PASP 116, 133
823 """
824
825 # The object used to perform the desired mapping
826 self.mapping = afwRgb.AsinhZScaleMapping(image, Q)
827
828 vmin, vmax = self._getMinMaxQ()[0:2]
829 # n.b. super() would call AsinhNormalize,
830 # and I want to pass min/max to the baseclass
831 Normalize.__init__(self, vmin, vmax)
832
833

Member Data Documentation

◆ mapping

lsst.display.matplotlib.matplotlib.AsinhZScaleNormalize.mapping

Definition at line 826 of file matplotlib.py.


The documentation for this class was generated from the following file: