On 10/31/2016 9:27 PM, Piotr Kopszak wrote:

Hello list,

I have just came across this little script which allows to create duotone pdfs with DeviceN channel. The script takes two grayscale tifs as arguments and returns a pdf duotone. I guess it shouldn't be too difficult to include it in the ConTeXt processing chain. Probably one could include a command in a source file which would reference both files used for creation of a duotone image and the resulting image would be used in the final pdf. How would you go about implementing such a coupling?

there is a plugin mechanism for conversions ... (it's how we deal with eps and svg input)

Here is the link to the script

http://stdin.fr/Bazar/SpotColorImages

see chapter 3 in the colors-mkiv.pdf manual in the distribution; this kind of magic is already present for a while (we actually did it in pdftex / mkii in some projects) Hans ----------------------------------------------------------------- Hans Hagen | PRAGMA ADE Ridderstraat 27 | 8061 GH Hasselt | The Netherlands tel: 038 477 53 69 | www.pragma-ade.nl | www.pragma-pod.nl -----------------------------------------------------------------