Mapping HEX values to a plane; is it possible?

I have a project Ive been thinking about, and I'm not really sure where to start.

Essentially I want to use rhino and grasshopper to map at least series of 100 hexadecimal values to a single plane.

Think of a standard color picker with marked values.

Once I get the basic framework set up I want to add some flair with grasshopper.

Does anyone have any tips on where to start or even if this is possible from within rhino? I'm at a loss.

Thanks.

Attachments:

picker.jpg, 27 KB

Replies to This Discussion

Permalink Reply by Vicente Soler on December 9, 2012 at 11:04am

First you have to convert the hex values into rgb values for GH to understand them as color information.

You can do this by using a vb component with the following line "a = ColorTranslator.FromHtml(x)", where x is a list of color hex values.

Then you have to decide what color information to map and how to map it. In a 2D plane the easiest way (but not the only one) is to map 2 variables, one on the x axis and another in the y axis.

In the following image I arrange the colors by hue in the x axis and brightness in the y axis:

Permalink Reply by Daniele Profeta on June 22, 2016 at 3:25pm

Vicente, Thank you for this. Can you share the vb component for converting hex values to RGB? I cannot have it work for some reason. Thank you very much!

Permalink Reply by Daniele Profeta on June 22, 2016 at 4:46pm

Never mind, fixed it. Thank you!

Permalink Reply by MattDC on December 9, 2012 at 11:13am