matlab 颜色代码大全,Matlab实现高级颜色表操作

深碍√TFBOYSˉ_ 2023-01-13 13:56 588阅读 0赞

AdvancedColormap

ADVANCEDCOLORMAP Performs advaced colormap operations

cmap = AdvancedColormap;

Returns current colormap, much like COLORMAP does,

but new figure is not created

cmaps = AdvancedColormap('GetSupportedColormaps')

Returns cell array of strings of all predefined colormaps.

AdvancedColormap('ShowSupportedColormaps')

AdvancedColormap('ShowSupportedColormaps','OnBlack')

AdvancedColormap('ShowSupportedColormaps','OnWhite')

Displays all predefined colormaps as a color+grayscale image

or white (default) or black background.

img = AdvancedColormap('ShowSupportedColormaps',...)

The image is returned if output parameter is specified.

str = AdvancedColormap('GetCurrentColormapString')

Returns current colormap string.

May not work properly if colormap was modified with commands below.

AdvancedColormap('Reverse')

AdvancedColormap('Invert')

AdvancedColormap('ShiftUp')

AdvancedColormap('ShiftDown')

AdvancedColormap('RGB>RBG')

AdvancedColormap('RGB>BRG')

AdvancedColormap('RGB>GRB')

AdvancedColormap('RGB>BGR')

AdvancedColormap('RGB>GBR')

AdvancedColormap('Brighten')

AdvancedColormap('Brighten',Amount)

AdvancedColormap('Darken')

AdvancedColormap('Darken',Amount)

Performs advanced command on current colormap.

AdvancedColormap('MakeUniformByGrayValue')

Tries to adjust current colormap so its gray values grow linearly.

AdvancedColormap(MatLabColorMapName)

AdvancedColormap(MatLabColorMapName,Length)

This is equivalent to MatLab

colormap(cmap)

and

colormap(cmap,n)

respectively.

AdvancedColormap(ColorMapString)

AdvancedColormap(ColorMapString,Length)

AdvancedColormap(ColorMapString,Length,ColorPositions)

AdvancedColormap(ColorMapString,Length,ColorPositions,InterpolationMode)

ColorMapString String representation of colormap

Each character represents one color

and must belong to the following set

char color R- G- B- values

k black 0.0 0.0 0.0

r red 1.0 0.0 0.0

p pink 1.0 0.0 0.5

o orange 1.0 0.5 0.0

g green 0.0 1.0 0.0

l lime 0.5 1.0 0.0

a aquamarine 0.0 1.0 0.5

b blue 0.0 0.0 1.0

s sky blue 0.0 0.5 1.0

v violet 0.5 0.0 1.0

c cyan 0.0 1.0 1.0

m magenta 1.0 0.0 1.0

y yellow 1.0 1.0 0.0

w white 1.0 1.0 1.0

If the string does not contain spaces, each

character represents one color in colormap.

For example, 'kryw' defines black-red-yellow-white (hot-like) colormap

If string contains spaces then each group of space-delimited characters

define one color. RGB components of the color are formed

by averagin of RGB components of each color from the group.

For example, 'bw k rw' defines lightblue-black-lightred colormap

Colors in the generated colormap are evenly spaced

covering values from 0 to 1

Length Length of generated colormap

ColorPositions Vector of color positions

If colors from the ColorMapString should be

placed at custom data values, provide their positions in this vector.

Length of the ColorPositions should be equal

to length of the ColorMapString if ColorMapString does not contain spaces

or to number of color groups in ColorMapString

InterpolationMode 'nearest' \{'linear'\} 'spline' 'cubic'

Interpolation mode for colormap

See INTERP2 for details

cmap = AdvancedColormap(ColorMapString,...)

ADVANCEDCOLORMAP returns applied colormap to caller

ctable = AdvancedColormap(ColorMapString,0);

\[ctable,cpos\] = AdvancedColormap(ColorMapString,0);

When requested length of colormap is zero, ADVANCEDCOLORMAP returns

original table of colors used to generate the colormap in CTABLE.

This can be applied only for predefined or generated-on-the-fly colormaps.

ADVANCEDCOLORMAP also returns vector CPOS of positions of the colors returned in CTABLE

Examples

By inverting and reversing standard BONE colormap one can obtain nice sepia colormap

figure;

imagesc(peaks(256));

AdvancedColormap('bone');

AdvancedColormap('invert');

AdvancedColormap('reverse');

figure;

imagesc(peaks(256));

AdvancedColormap('kryw');

See ADVANCEDCOLORMAPDEMO scropt for more examples

See also colormap, brighten, FEX\#23342, FEX\#23865, FEX\#24870, FEX\#20848

matlab 颜色代码大全,Matlab实现高级颜色表操作

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