nw_scale_rgb¶

pydl.pydlutils.rgbcolor.nw_scale_rgb(colors, scales=(1.0, 1.0, 1.0))[source]¶

Multiply RGB image by color-dependent scale factor.

Parameters:

colors : ndarray

3D Array containing RGB image. The dimensions should be (X, Y, 3).

scales : tuple() or ndarray, optional

An array with 3 elements.

Returns:

ndarray

The scaled image.

Raises:

:exc:`ValueError`

If colors or scales has the wrong shape.