Comments by Eric Ouellet (Top 12 by date)

Thanks a lot ! That's exactly what I was looking for. I knew it was existing but it is hard to find on the net with so many people asking so many already answered questions... thanks !

Reason for my vote of 5 Rob seems to really know the subject and give good corrections !

Thanks a lot ! I will post my new code in few minutes. (Sean Ewington from Code Project help me, it could takes few hours.) I let D50 code commented out as reference. I suspect that most people will want to work with D65 white ref. I'm very happy not to be a chicken in your hands... ;-)

Hello Rob, This is what I did and would appreciate your comments before posting it. I added you first code change (the new const). I modified the code to add the next 4 corrections (D50 ref) but commented out the code after (just as reference for anybody). I added the big last bloc as is. I tested the result with my little sample and it seems to work fine. Do you think I made corrections ok ? "Correction for sRGB with D65 reference white"

Thanks Rob, To be honnest, your alternative almost gave me an heart attack... I know the world of mathematics and color like a chicken know how to fly. But I took a look and try to understand. There is one thing that I fail to understand. You wrote "Adobe uses RGB Bradford adapted with D65 reference white." and "If you want to use RGB Bradford adapted CIELab conversion do the following:" and ask to change from D65 to D50 at 2 places. I'm a bit confused. You want to turn that from D65 to D50 reference white or the opposite ? Thanks, Eric Note: Writing a tips and tricks is a real adventure but I like it :-)

I'm happy to know. I hope it will be as expected !

It works as a color generator. But it is the exact same solution as alternative 1 and it does not meet all the criteria (needs) as explain in alternative 1.

Thanks a lot. I didn't write an article because I thought that the most usefull information is already in Guillaume Leparmentier article in code project (link included in the tips). Majors concepts and information is very well documented there. I think that my algorithm could be better written by anybody who better master color area. I mainly wanted to share my code with anybody who would need something like that and also share the GetColorDistanceCIELab function that I didn't find in c# anywhere on the web. But probably it would have been better to explain more how it works. I will try to find some time to do that (but give a few weeks). Thanks, Eric

Thanks for your vote ! I agree the picture is a kind of hook but it also give a chance to see results (included as a demo in the code). My algorithm is far from being perfect. It is also very inefficient to find very distant colors. But as far as what I have found on the net, it is the best (or only) random generators for the purpose (needs) I had. Also, I think that it is the only lib with a GetColorDistanceCIELab in .net, which could be usefull in certain specific cases. Eric

Hello Flector, I think you should not create alternative for you comments. It would be better using "Have a question or comment?" hyperlink into your alternative.

Thanks, you are right. This is the easiest method. But it did not correspond to my needs... I think I forgot to add some informations (my needs) in my tips. Thanks. Needs: - Never the same color twice - Each new color should be easily distinguishable from any previous one - Be able to set inital colors to reject - Nice to have: - Add a distance factor to any inital colors to reject in order to stay very far from them. For example a generator to get very different colors from a background color.