I forget the adaptation state at first, now it works (first absolute colorimetric, then relative colorimetric), thank you.
For high temperatures I get a warm tint and for low temperatures I get a cold tint in my colors. Looks good. Thank you again. Regards, Martin On 15.11.2013 13:48, marti.ma...@littlecms.com wrote: > > >> The Lab-2-Lab conversion with different illuminants is just first step >> in my conversion. Then I apply an ICC profile and convert to RGB with >> the relative colorimetric intent. Is possible to create a >> multi-profile transform with different intents for each >> transformation? I do not see this as an option in LittleCMS. > > Look for cmsCreateExtendedTransform. It does what you need. > >> One other small thing. I tried using >> cmsWhitePointFromTemp(&White, temp); >> cmsCreateLab4Profile(&White); >> and a transformation from Lab to RGB with an ICC profile gave me the >> same results for every temperature I used. I use relative colorimetric >> intent. Any ideas what could be an issue here? Thank you. > > It gives same results because you instructs to do so... *relative* > colorimetric intent is exactly that, relative to the white point. > If you use absolute colorimetric and no adaptation you will see > the changes. Remember to set the adaptation stuff. > > Regards > Marti > ------------------------------------------------------------------------------ DreamFactory - Open Source REST & JSON Services for HTML5 & Native Apps OAuth, Users, Roles, SQL, NoSQL, BLOB Storage and External API Access Free app hosting. Or install the open source package on any LAMP server. Sign up and see examples for AngularJS, jQuery, Sencha Touch and Native! http://pubads.g.doubleclick.net/gampad/clk?id=63469471&iu=/4140/ostg.clktrk _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user
