k-Wave Toolbox |

# getColorMap

Return default k-Wave color map

## Syntax

    cm = getColorMap()
    cm = getColorMap(num_colors)

## Description

`getColorMap` returns the default color map used for display and visualisation across the k-Wave Toolbox. Zero values are displayed as white, positive values are displayed as yellow through red to black, and negative values are displayed as light to dark blue-greys. If no value for `num_colors` is provided, `cm` will have 256 colors.

## Optional Inputs

`num_colors` | number of colors in the color map (default = `256`)

## Outputs

`cm` | three column color map matrix which can be applied using `colormap`

## See Also

`colormap`

© 2009-2014 Bradley Treeby and Ben Cox.