colormap

Syntax

cmap = colormap()

cmap = colormap(handle)

colormap(cmap)

colormap(cmapname)

colormap(handle, cmap)

Inputs

handle

The handle of the figure or axes.

Type: double | integer

Dimension: scalar

cmap

n x 3 matrix to set the colormap.

Type: double | integer

Dimension: matrix

cmapname

Colormap name. Available options are:

'autumn'

'bone'

'cividis'

'cool'

'copper'

'cubehelix'

'flag'

'gray'

'hot'

'hsv'

'inferno'

'jet'

'lines'

'magma'

'ocean'

'pink'

'plasma'

'prism'

'rainbow'

'spring'

'summer'

'twilight'

'viridis'

'white'

'winter'

Type: char

Dimension: string

Outputs

cmap

The current colormap.

Example

Simple colormap example.

x=[0:0.1:2*pi];
y=x;
z=sin(x')*cos(y);
contour(z)
cmap = [1 0 0;0 1 0; 0 0 1; 0 0 0];
colormap(cmap)

Simple colormap example using 'viridis colormap'.

x=[0:0.1:2*pi];
y=x;
z=sin(x')*cos(y);
contour(z)
colormap('viridis')

Comments

The maximum number of colors in the colormap is 32.