MATLAB Central Newsreader - Color format?

Color format?

Camron Call — Mon, 24 Aug 2009 20:39:07 -0400

What is the color format used by most GUI properties that ranges from 0-1? How do we convert it to RGB (0-255)?

Thanks.

Re: Color format?

us — Mon, 24 Aug 2009 20:58:05 -0400

"Camron Call" <camroncall@gmail.cam> wrote in message <h6utpb$3rv$1@fred.mathworks.com>...
> What is the color format used by most GUI properties that ranges from 0-1? How do we convert it to RGB (0-255)?
>
> Thanks.

normalized rgb...

% hence
     guicolor=gray(3)
     rgbcolor=255*guicolor
%{
% guicolor =
            0 0 0
          0.5 0.5 0.5
            1 1 1
% rgbcolor =
            0 0 0
        127.5 127.5 127.5
          255 255 255
%}

us

Re: Color format?

Dave Robinson — Tue, 25 Aug 2009 09:58:02 -0400

"us " <us@neurol.unizh.ch> wrote in message <h6uust$esc$1@fred.mathworks.com>...
> "Camron Call" <camroncall@gmail.cam> wrote in message <h6utpb$3rv$1@fred.mathworks.com>...
> > What is the color format used by most GUI properties that ranges from 0-1? How do we convert it to RGB (0-255)?
> >
> > Thanks.
>
> normalized rgb...
>
> % hence
> guicolor=gray(3)
> rgbcolor=255*guicolor
> %{
> % guicolor =
> 0 0 0
> 0.5 0.5 0.5
> 1 1 1
> % rgbcolor =
> 0 0 0
> 127.5 127.5 127.5
> 255 255 255
> %}
>
> us

Just a very minor point. 'Us' has titled his explaination as normalized RGB. This phrase is often used to describe a totally different colour space, which is an effective intensity independent RGB colour space, which bears no relevance to the original OP's question. I added this so as to prevent the OP from getting confused if he Googles Normalized RGB.

Regards

Dave Robinson