Help,how can i make it be transparent!

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zhoutian (zt++at++appmail.zju.edu.cn)
Wed, 17 Mar 1999 19:48:48 +0800

    Hi,thank you for looking at my question.
    These days I use Performer on O2 to do some work of virtual reality.

And I want to make some faces be transparent, but I don't know how to
do it. I find a function pfTexFormat(pfTexture *tex,int format,int
type).I try to use pfTexFormat(tex,PFTEX_INTERNAL_FORMAT,PFTEX_RGBA_8),
but no use. And GIF images can be transparent, can I load it directly
and it will be transparent?
    And I want to do some work for shadows. I found a example, when I
ran it, it told me the machine didn't have some hardware. Does it need
some kind of display card?
    thank you!
    my email address is zt++at++appmail.zju.edu.cn.

                                                           ZhouTian

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