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Re: [PROGRAMMERING] openGL og Volume Rendering



On Tue, 19 Oct 2004, Lars Riisgaard Ribe wrote:

> [klip]
> 
> >Jeg er ikke hundrede procent sikker på hvad volume rendering betyder, men hvis
> >det betyder at du f.eks. har en eller anden formel og skal have renderet et 3d
> >objekt ud fra den, så lyder det som om Paul Burkes "poygonisering af et
> >skalart felt" algortime (marching cubes) kan klare det.
> >  
> >
> Det betyder, at jeg har et 3D datasæt ( et 3D billede), som jeg vil 
> kunne lave et 3D billede af. Det skal laves således, at de mørke områder 
> er transparente, hvorimod de lyse områder ikke er. Det er et MR-billede 
> af en brystkasse, som jeg gerne vil have visualiseret, så jeg tror ikke, 
> det er det samme som det, du foreslår. Jeg vil tro, det er noget med at 
> bruge 3D textures, men der er ufatteligt få eksempler på 3D textures på 
> nettet.

Har du prøvet at spørge f.eks. folkene bag 
http://www.diku.dk/forskning/image/research/opentissue/index.html
? Der er nogen 3d renderinger af CT scans, men jeg ved at de forsker i MR 
scans også.

Mads

-- 
Mads Bondo Dydensborg.                               sslug@sslug
The Bible tells us to be like God, and then on page after page it describes
God as a mass murderer. This may be the single most important key to the
political behavior of Western Civilization.
                       - Robert A. Wilson (Right Where You Are Sitting Now)



 
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