IDLgrPalette::GetRGB

The IDLgrPalette::GetRGB function method returns the RGB values contained in the palette at the given index. The returned value is a three-element vector of the form [red, green, blue].

Syntax

Result = Obj->[IDLgrPalette::]GetRGB(Index)

Return Value

Returns the RGB values contained in the palette at the given index.

Arguments

Index

The index whose RGB values are desired. This value should be in the range of 0 ≤ Index < N_COLORS, where N_COLORS is the number of elements in the color palette, as returned by the N_COLORS keyword to the IDLgrPalette:GetProperty method.

Keywords

None

Version History

5.0	Introduced