Re: [Vxl-users] how to convert from grey to rgb?

[Szabolcs B. <sza...@gm...>]

On 3/6/06, Amitha Perera <pe...@cs...> wrote:
> The problem is that vil generally prefers to treat images as
> multi-planar, so that a 3-component RGB image is regarded as a 3-plane
> image with a planestep of 1 (i.e. interleaved planes). If you have
> your rgb image from your function and write
>    vil_image_view<vxl_byte> rgb_planes =3D rgb;
> you'd get an image such that
>    rgb_planes(i,j,0) =3D=3D rgb(i,j).r  &&
>    rgb_planes(i,j,1) =3D=3D rgb(i,j).g  &&
>    rgb_planes(i,j,2) =3D=3D rgb(i,j).b
>
> (This won't actually copy data, so you don't have to worry about
> efficiency.) You should be able to save this planar image.
>
> Amitha.
>

Thanks for the explanation!

Szabi