Re: Setting EarthSky clear to transparent

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John Rohlf (jrohlf++at++tubes)
Fri, 20 May 94 9:53:27 PDT

>
>
> Hello,
>
> I am trying to create an app with two overlapping channels.
> The "lower" channel manages the background (Earth/Sky) but
> no database. The "top" channel will manage the database, but
> no Sky. I hope to see through the top channel into the lower
> channel's background. Setting the top channel's clear color's
> alpha to 1.0f should give me the effect I'm looking for, but
> it always display the rgb of the rgba clear color instead.
>
> Any ideas?
>
> Kent Watsen
> Watsen++at++netcom.com
>
>
>
>

        If you do not clear the top channel then you will
composite the top channel over the bottom. I'm not sure this
is what you want though.

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