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From: flar@bendenweyr.Eng.Sun.COM (Jim Graham)
Newsgroups: comp.graphics,comp.lang.postscript
Subject: Re: How do I draw a depth-cued line in PostScript?
Message-ID: <15971@exodus.Eng.Sun.COM>
Date: 28 Jun 91 02:02:14 GMT
References: <1991Jun27.164001.2435@engage.pko.dec.com>
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Reply-To: flar@bendenweyr.Eng.Sun.COM (Jim Graham)
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Organization: Sun Microsystems, Inc.
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davis@3d.enet.dec.com (Peter Davis) writes:

|> ads@canon.co.uk (Adam Billyard) writes...

|> Display PostScript extends this a little by including
|> >transparency, ...
|> 
|> Really?  How?  I've been working with Display PostScript for a while,
|> and I have
|> come across nothing that either explicitly or implicitly allows
|> transparency.
|> The only way to achieve transparent effects that I know of it to fill
|> with a
|> stipple pattern using imagemask, but this is possible in regular as
|> well as
|> Display PostScript.

Appendix D of the NeXT Reference Manual describes some compositing
and transparency operators, but they are specific to the NeXT DPS
environment.

				...jim