lsst.display.matplotlib.matplotlib.ZScaleNormalize Class Reference

Inheritance diagram for lsst.display.matplotlib.matplotlib.ZScaleNormalize:

Public Member Functions
	__init__ (self, image=None, nSamples=1000, contrast=0.25)
Public Member Functions inherited from lsst.display.matplotlib.matplotlib.Normalize
	__call__ (self, value, clip=None)

Public Attributes
	mapping = afwRgb.ZScaleMapping(image, nSamples, contrast)

Detailed Description

Provide a zscale stretch for mtv()

Constructor & Destructor Documentation

__init__()

lsst.display.matplotlib.matplotlib.ZScaleNormalize.__init__	(		self,
			image = None,
			nSamples = 1000,
			contrast = 0.25 )

Initialise an object able to carry out a zscale mapping

@param image to be used to estimate the stretch
@param nSamples Number of data points to use (default: 1000)
@param contrast Control the range of pixels to display around the
                median (default: 0.25)

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

• python/lsst/display/matplotlib/matplotlib.py