[rescue] Spaceballs.

Dave McGuire rescue at sunhelp.org
Fri Dec 7 21:05:50 CST 2001


On December 7, Joshua D Boyd wrote:
> Hmm.  Well, if you view color as a vector <r, g, b, 0> (or should that be a 
> 1?), then you can use a matrix to transform it.
> 
> For instance, pushing the ball around would create translation matrices inside
> the RGB vector space.  Rotating the ball would generate rotation matrices.  
> Not sure how one would create scaling matrices from the ball input.  
> 
> Anyway, this would mean that you could rotate and move the colors around in 
> presumably interesting ways for adjustment.  One could allow one of the buttons
> on the space ball to put you in a mode for doing color space projections, and 
> warping, shearing.  

  That sounds *very* cool...feel free to expound if you're so inclined...

> This actually is related to something else I'm working on.  Since I don't have
> a space ball, obviously I'm not using it for this though.

  Sounds like you need to get one! :-)

    -Dave

-- 
Dave McGuire
St. Petersburg, FL



More information about the rescue mailing list