DADiSP Worksheet Functions > Function Categories > Image Processing > BRIGHTEN
Brightens or darkens an image.
BRIGHTEN(beta, cmap)
beta |
- |
Optional. A real, |
cmap |
- |
Optional. A series, the colormap. Defaults to current colormap. |
A new colormap or alters the current colormap.
W1: rainbow();showcmap()
brighten(.5)
brightens the rainbow colormap.
brighten(-.5)
restores the brightened colormap to the original colors for the example above.
For beta > 0, the color map is brightened. If beta < 0, the colormap is darkened.