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Re: NURBS surfaces with variable local detail level
by Yaroukh
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On Mon, May 12, 2008 at 11:59 AM, Bart Janssens <bart.janssens@...> wrote:
...only if you actually intend to use their algorithms I guess. TSplines provide more functionality than %subj%, and I referred to that particular plugin only to explain what I mean by "variable detail level". (I don't know whether there is a name for such type of surface, also English is not my mother tongue; so I only wanted to show how it may look.) I believe the whole idea is older than the TSplines plugin ot the company.
If it is possible to "simulate" somehow the variable detail level for NURBS-surfaces the way I have suggested then you wouldn't need to care about TSplines.
(Yet I have to admin I'm not 100pct sure it is possible that way; I mean technically, regardless of any patents.)
Ofcourse if you are saying that providing variable detail level for NURBS-surfaces inevitably means violating TSplines patent than it is over ofcourse. (But I doubt that because that would be like rejecting LCD because there is already OLED.)
It sounds weird to me too..
Best regards
Yaroukh
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On Fri, May 9, 2008 at 5:18 AM, Yaroukh <yaroukh@...> wrote:
> I am sorry, I haven't noticed before that there is the bunch of PDFs:
> http://www.tsplines.com/technology/papers.php...
> It seems now even more likely to me that their patent is something far less
> trivial than the mentioned workaround. :)
Hi Yaroukh,
>From their about page: "T-Splines, Inc. was founded in 2004. The
company holds an exclusive license to the patented T-Splines
technology developed by Dr. Thomas Sederberg at Brigham Young
University." See also
http://www.patentstorm.us/patents/7274364-claims.html
Seems the only way to use TSplines legally, is to buy a license to
their software library.
...only if you actually intend to use their algorithms I guess. TSplines provide more functionality than %subj%, and I referred to that particular plugin only to explain what I mean by "variable detail level". (I don't know whether there is a name for such type of surface, also English is not my mother tongue; so I only wanted to show how it may look.) I believe the whole idea is older than the TSplines plugin ot the company.
If it is possible to "simulate" somehow the variable detail level for NURBS-surfaces the way I have suggested then you wouldn't need to care about TSplines.
(Yet I have to admin I'm not 100pct sure it is possible that way; I mean technically, regardless of any patents.)
Ofcourse if you are saying that providing variable detail level for NURBS-surfaces inevitably means violating TSplines patent than it is over ofcourse. (But I doubt that because that would be like rejecting LCD because there is already OLED.)
I think it's loathsome that public funding can be used to do research
for something that ends up as an exclusive technology for one company
making money off it.
It sounds weird to me too..
Cheers,
--
Bart
Best regards
Yaroukh
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