QTR-Quadtone RIP

On Sun, Apr 27, 2008 at 12:20 AM, Joost Horsten <j.h.j.h@...> wrote:
> Roy,
>
>  Thanks for your reply.
>
>
>  --- In QuadtoneRIP@yahoogroups.com, "Roy Harrington" <roy@...> wrote:
>
>  > Tiff files can be grayscale or RGB already.
>
>  I assume I have to convert to the LAB RGB profile prior to printing,
>  right?
>
>  As not all applications support this, would it be possible to let QTR
>  take any tiff with a color profile attached and convert it itself to
>  LAB? (If I understand correctly, QTR just assumes LAB and does not
>  actually use the profile attached)

I just want to clarify -- QTR takes RGB or grayscale format (i.e. 1 or
3 channels)
and ignores embedded profiles.
The "QTR LAB" profiles are still RGB or gray but use the L luminosity curve.

>
>
>  > Supporting jpeg may be a possibility but the driver seems a
>  > bit more effort than I have time for.
>
>  That's a pity, since as indicated two of my main applications only
>  support jpeg.

Well if I can find a usable jpeg library that may be all that is needed.

Roy

>
>
>  Thanks,
>
>
>
>  Joost
>
>