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- Path: nntp.teleport.com!sschaem
- From: sschaem@teleport.com (Stephan Schaem)
- Newsgroups: comp.sys.amiga.programmer
- Subject: Re: Integer Sine tables?
- Date: 4 Mar 1996 04:24:23 GMT
- Organization: Teleport - Portland's Public Access (503) 220-1016
- Message-ID: <4hdr9n$eat@nadine.teleport.com>
- References: <4glqbd$4ab@nnrp1.news.primenet.com> <4gpbi1$3i5@maureen.teleport.com> <1996Feb26.162410.27523@imada.ou.dk> <4gvq0q$qqd@maureen.teleport.com> <1996Mar1.143114.9104@imada.ou.dk>
- NNTP-Posting-Host: linda.teleport.com
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-
- Bjorn Reese (breese@imada.ou.dk) wrote:
- : Stephan Schaem (sschaem@teleport.com) wrote:
- : > (its just that its in my head right at this moment and I'm blank :)
-
- : You may want to have a look at Forward Differencing as described in
- : the chapter on splines in Foley & van Dam. (don't have the book here
- : to give an exact reference)
-
- Jyrki Saarinen forwarded some old discution on the matter, and
- it was clear (extract from the book 'digital image warping').well,
- clearer for my purposes then what I could find
- in 'computer principale and practices'). Basicly I'm trying to implement
- in software what most 'VR' system do in HW, Ultra 64, saturn, edge3d,
- some apollo computer used quadratic /forward diferencing second degree for
- doing perspective correct texture mapping.
-
- Stephan
-