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

Public Member Functions
def	__init__ (self, minimum=0, maximum=1)

def	__call__ (self, value, clip=None)

Public Attributes
	mapping

Detailed Description

Provide a linear stretch for mtv()

Definition at line 879 of file matplotlib.py.

Constructor & Destructor Documentation

◆ init()

def lsst.display.matplotlib.matplotlib.LinearNormalize.__init__	(	self,
		minimum = `0`,
		maximum = `1`
	)

Initialise an object able to carry out a linear mapping

@param minimum  Minimum value to display
@param maximum  Maximum value to display

Definition at line 881 of file matplotlib.py.

     def __init__(self, minimum=0, maximum=1):
         """Initialise an object able to carry out a linear mapping
  
         @param minimum  Minimum value to display
         @param maximum  Maximum value to display
         """
         # The object used to perform the desired mapping
         self.mapping = afwRgb.LinearMapping(minimum, maximum)
  
         super().__init__(self.mapping.minimum[0], self.mapping.maximum)

Member Function Documentation

◆ call()

def lsst.display.matplotlib.matplotlib.Normalize.__call__	(	self,
		value,
		clip = `None`
	)

inherited

Return a MaskedArray with value mapped to [0, 255]

@param value Input pixel value or array to be mapped

Definition at line 791 of file matplotlib.py.

     def __call__(self, value, clip=None):
         """
         Return a MaskedArray with value mapped to [0, 255]
  
         @param value Input pixel value or array to be mapped
         """
         if isinstance(value, np.ndarray):
             data = value
         else:
             data = value.data
  
         data = data - self.mapping.minimum[0]
         return ma.array(data*self.mapping.mapIntensityToUint8(data)/255.0)
  
  

Member Data Documentation

◆ mapping

lsst.display.matplotlib.matplotlib.LinearNormalize.mapping

Definition at line 888 of file matplotlib.py.

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

/j/snowflake/release/lsstsw/stack/lsst-scipipe-0.7.0/Linux64/display_matplotlib/22.0.0+6312710a6c/python/lsst/display/matplotlib/matplotlib.py

Public Member Functions

Public Attributes