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Re: Top 10 IDL Requests [message #20716 is a reply to message #20666]

Tue, 18 July 2000 00:00

Richard Tyc
Messages: 69
Registered: June 1999

Member

anne martel <anne.martel@nottingham.ac.uk> wrote in message
news:39745A3A.CECAC2FA@nottingham.ac.ukqqq...
> My main request is for the ability to make polygon objects transparent.
> Someone posted a request for information on how to do this a short while
> ago but I don't think anyone responded so I'm assuming that it's not
> possible at the moment (unless you uses volume rendering which is too
> slow).

If you texture map a RGB+alpha IDLgrImage object into the polygon object,
you can gain transparency assuming you set the alpha channel low enough and
the appropriate blend function (I use [3,4]) to IDLgrImage.

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[Message index]

		Top 10 IDL Requests By: davidf on Sun, 16 July 2000 00:00
		Re: Top 10 IDL Requests By: Harvey Rarback on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Phillip David on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: promashkin on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Liam E. Gumley on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Struan Gray on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Martin Schultz on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Bruce Bowler on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Larry Ashim on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Richard Tyc on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Richard Tyc on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: anne on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: wmc on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Luis Alonso on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: Olivier ARCHER on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: hcp on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: richard hilton on Tue, 18 July 2000 00:00
		Re: Top 10 IDL Requests By: dsreyn on Mon, 24 July 2000 00:00
		Re: Top 10 IDL Requests By: Jeff Guerber on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: robert.m.candey.1[2] on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: noymer on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: promashkin on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: Eric Vella on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: Michael Asten on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: Michael Asten on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: Michael Asten on Fri, 21 July 2000 00:00
		Re: Top 10 IDL Requests By: promashkin on Wed, 19 July 2000 00:00
		Re: Top 10 IDL Requests By: wmc on Wed, 19 July 2000 00:00
		Re: Top 10 IDL Requests By: kashyap on Wed, 19 July 2000 00:00
		Re: Top 10 IDL Requests By: Joseph B. Gurman on Wed, 26 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Wed, 26 July 2000 00:00
		Re: Top 10 IDL Requests By: dsreyn on Wed, 26 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Wed, 26 July 2000 00:00
		Re: Top 10 IDL Requests By: Larry Ashim on Wed, 26 July 2000 00:00
		Re: Top 10 IDL Requests By: kashyap on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: wmc on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: bradgom on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		LINUX Installation Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: Michael Asten on Tue, 25 July 2000 00:00
		Re: Top 10 IDL Requests By: Kristian Kjaer on Fri, 28 July 2000 00:00
		Re: Top 10 IDL Requests By: Nicolas Decoster on Thu, 27 July 2000 00:00
		Re: Top 10 IDL Requests By: Paul van Delst on Mon, 31 July 2000 00:00
		Re: Top 10 IDL Requests By: Mark Hadfield on Mon, 31 July 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Sun, 30 July 2000 00:00
		Re: Top 10 IDL Requests By: Liam E. Gumley on Wed, 02 August 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Wed, 02 August 2000 00:00
		Re: Top 10 IDL Requests By: Paul van Delst on Wed, 02 August 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Tue, 01 August 2000 00:00
		Re: Top 10 IDL Requests By: Liam E. Gumley on Tue, 01 August 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Tue, 01 August 2000 00:00
		Re: Top 10 IDL Requests By: Liam E. Gumley on Tue, 01 August 2000 00:00
		Re: Top 10 IDL Requests By: Michael Plonski on Tue, 01 August 2000 00:00
		Multiple Inheritance (Top 10 IDL Requests) By: Martin Schultz on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: Alex Schuster on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: Mark Fardal on Thu, 03 August 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Tue, 01 August 2000 00:00
		Re: Top 10 IDL Requests By: Mark Hadfield on Tue, 01 August 2000 00:00
		Re: Top 10 IDL Requests By: Mark Hadfield on Tue, 01 August 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Mon, 31 July 2000 00:00
		Re: Top 10 IDL Requests By: Paul van Delst on Mon, 31 July 2000 00:00
		Re: Top 10 IDL Requests By: Paul van Delst on Thu, 03 August 2000 00:00
		Re: Top 10 IDL Requests By: Benno Puetz on Thu, 03 August 2000 00:00
		Re: Top 10 IDL Requests By: Mark Hadfield on Thu, 03 August 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Wed, 02 August 2000 00:00
		Re: Top 10 IDL Requests By: Michael Plonski on Wed, 02 August 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: promashkin on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: Stephen Serjeant on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: Nicolas Decoster on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: Mark Hadfield on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: Nick Bower on Fri, 04 August 2000 00:00
		Re: Top 10 IDL Requests By: Jeff Guerber on Thu, 03 August 2000 00:00
		Re: Top 10 IDL Requests By: dominik on Mon, 07 August 2000 00:00
		Re: Top 10 IDL Requests By: ottehoman on Fri, 11 August 2000 00:00
		Re: Top 10 IDL Requests By: Craig Markwardt on Thu, 10 August 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Thu, 10 August 2000 00:00
		Re: Top 10 IDL Requests By: John-David T. Smith on Thu, 10 August 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Thu, 10 August 2000 00:00
		Re: Top 10 IDL Requests By: ottehoman on Thu, 10 August 2000 00:00
		Re: Top 10 IDL Requests By: davidf on Sat, 12 August 2000 00:00
		Bottom 10 IDL requests ;-) was: Re: Top 10 IDL Requests By: wmc on Fri, 11 August 2000 00:00

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