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