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Re: How to get a very large 2D projected surface image [message #51885 is a reply to message #51875]

Thu, 14 December 2006 01:29

Steven Houston
Messages: 5
Registered: November 2005

Junior Member

Rick Towler wrote:

> While this thread has run amok, JD's post is actually the line of
> thought you'll want to pursue. You are going to have to render this
> surface in pieces and then stitch the images together. You will need to
> read the docs regarding the TEXTURE_HIRES keyword and experiment to find
> the "zoom" level required to display the portion of the surface at full
> resolution. You will need to determine exactly what ITTVIS means when
> they say "zoom". Is their LoD code tied to IDLgrWindow requiring you to
> use IDLgrWindow's Zoom* methods? Or is it more general, determining the
> visible portion of the surface by calculating surface/frustum
> intersection?

It's the latter. If you want your texture to always be rendered at the
full resolution set TEXTURE_HIGHRES=2, this disables the LoD calculation.

Steve.

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[Message index]

		Re: How to get a very large 2D projected surface image By: Rick Towler on Thu, 14 December 2006 08:56
		Re: How to get a very large 2D projected surface image By: Steven Houston on Thu, 14 December 2006 01:29
		Re: How to get a very large 2D projected surface image By: David Fanning on Mon, 11 December 2006 12:53
		Re: How to get a very large 2D projected surface image By: JD Smith on Mon, 11 December 2006 12:26
		Re: How to get a very large 2D projected surface image By: Rick Towler on Mon, 11 December 2006 12:30
		Re: How to get a very large 2D projected surface image By: Rick Towler on Mon, 11 December 2006 12:19
		Re: How to get a very large 2D projected surface image By: Michael Galloy on Mon, 11 December 2006 11:46
		Re: How to get a very large 2D projected surface image By: Braedley on Mon, 11 December 2006 11:28
		Re: How to get a very large 2D projected surface image By: David Fanning on Mon, 11 December 2006 10:44
		Re: How to get a very large 2D projected surface image By: Jean H. on Mon, 11 December 2006 09:52
		Re: How to get a very large 2D projected surface image By: JD Smith on Mon, 11 December 2006 09:40
		Re: How to get a very large 2D projected surface image By: Foldy Lajos on Mon, 11 December 2006 09:23
		Re: How to get a very large 2D projected surface image By: JD Smith on Mon, 11 December 2006 08:49
		Re: How to get a very large 2D projected surface image By: David Fanning on Sat, 09 December 2006 08:59
		Re: How to get a very large 2D projected surface image By: Hongkai on Sat, 09 December 2006 08:05
		Re: How to get a very large 2D projected surface image By: David Fanning on Fri, 08 December 2006 20:58

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