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Thread: help!!!

  1. #1
    Guest

    help!!!

    with an given .h file with RGB color, how to reset the value for color? for example, if i want to reset the value for R is 0.4, etc.? Thanks.

  2. #2
    Senior Member OpenGL Pro
    Join Date
    Oct 2000
    Location
    Fargo, ND
    Posts
    1,753

    Re: help!!!

    I'm not quite sure what you mean... can you be more specific what it is you are trying to do?
    Deiussum
    Software Engineer and OpenGL enthusiast

  3. #3
    Guest

    Re: help!!!

    after readin an image, how to reset the color for each pixel? each pixel should contains RGB, and I want to set a specific value for each color which makes L = .3R + .6G + .2B ?

    thanks

  4. #4
    Member Newbie
    Join Date
    Feb 2001
    Location
    Atlanta Georgia
    Posts
    32

    Re: help!!!

    sounds very similar to a problem I discussed with a grad student just about a week ago... I would suggest trying to use scanline function to get a rgb value... then from there whatnot. Scanlines are fairly slow, but there aren't a whole lot of other ways I know of to read values pixel by pixel
    "Close before striking. Keep away from Children"--Strike on the box matches.

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