Package igraph :: Module colors :: Class GradientPalette

Class GradientPalette

object --+    
         |    
   Palette --+
             |
            GradientPalette

Known Subclasses:

AdvancedGradientPalette

Base class for gradient palettes

Gradient palettes contain a gradient between two given colors.

Example:

>>> pal = GradientPalette("red", "blue",4)
>>> pal.get(2)
(0.5, 0., 0.5)

Instance Methods

[hide private]

__init__(self, color1, color2, n=256)
Creates a gradient palette.

_get(self, v)
Override this method in a subclass to create a custom palette.

Inherited from Palette: __getitem__, __len__, clear_cache, get

Inherited from Palette (private): _get_length

Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __repr__, __setattr__, __str__

Properties

[hide private]

Inherited from Palette: length

Inherited from object: __class__

Method Details

[hide private]

init(self, color1, color2, n=256)
(Constructor)

Creates a gradient palette.

Parameters:

color1 - the color where the gradient starts.
color2 - the color where the gradient ends.
n - the number of colors in the palette.

Overrides: object.__init__

_get(self, v)

Override this method in a subclass to create a custom palette.

You can safely assume that v is an integer in the range 0..n-1 where n is the size of the palette.

Parameters:

v - numerical index of the color to be retrieved

Returns:

a 3-tuple containing the RGB values

Overrides: Palette._get

(inherited documentation)

Class GradientPalette

__init__(self, color1, color2, n=256) (Constructor)

_get(self, v)

init(self, color1, color2, n=256)
(Constructor)