Re: Gradient: Color to Alpha?

[John Dowdell]

At 3:25 AM 5/6/98, Jason Nugent wrote:

>        Then, select the "Gradient" tab.  At this point you can click on

>the starting and ending colors for your gradient, and also adjust their

>transparency using the "alpha" slider on the far right.

>        You could, for instance, select blue as your starting colour,

>then any other colour as the ending colour.  Just make this end colour 0%

>on the alpha scale and your gradient will fade out.


One more tip is that now we can layer partially-transparent shapes for even

more complex effects. For instance, if you make a gradient that alternates

between high and low transparency, then pour it into two identical shapes

atop each other, then the "Transform Fill" tool can be used on the top one

to give some wild interference and moire effects.


(Rephrased, we can now see through the top object to the bottom one, and so

layered transparencies can become much more complex. Watch out for the

increased processing costs, though!)



I also liked Matt Gitchell's lens flare examples... clever!

http://www.coloradoavalanche.com/matt/xma2.html


By layering one planet above another, each mostly transparent, you can also

get a backcolor of complementary hue, similar-but-different to what Judy

Miller was talking about. Layering costs calculations, but it can be

pretty.


Anyone else doing odd things with transparency...?


jd



John Dowdell, Macromedia Tech Support, San Francisco CA US


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