[X3D-Public] 3D Databases?

[John Carlson]

Try looking up geometric databases.

John
On May 1, 2010, at 11:42 PM, John Carlson wrote:

> I've seen database query languages that serve up nice plots (not sure if there are any 3D plots...mostly 2D--unless you count color as one or more dimensions).  There's a patent on it, but there's also previous work: see DBD::Chart and DBIx::Chart (perl modules).  The key is to both provide an API and a query language I believe.  Just looking up geometric queries, it looks like you would need a GPU, perhaps several on your server to provide fast search.
> 
> 
> You've probably seen this demo: http://www.youtube.com/watch?v=3bKphYfUk-M  wonder what the database behind this is.
> John
> On Apr 30, 2010, at 5:34 PM, Dave A wrote:
> 
>> I'm wondering if anyone is familiar with true 3D databases. Meaning
>> actually stores vertices and materials, all that, so it can serve up a model.
>> 
>> I know there are some out there, most 'spatial' ones I've seen are really
>> more geographic than geometric. Would be cool to query
>> 'get by view frustum' or 'get by material' or 'get bounding box' 'get convex hull' etc. etc.
>> 
>> Is Oracle really the only one that does this? Right Hemisphere has something but
>> it too is too expensive for me.
>> 
>> Ideally I'd want something free/cheap/extensible.
>> 
>> Any tips greatly appreciated.
>> 
>> Thanks
>> 
>> Dave A.
>> 
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