[postgis-devel] Status of X3D

[Paragon Corporation]

Remi,

 

That's one of the things I need to address – it's handling of multipolygons and other collection types as well as represenations of holes (which X3D standard doesn't really say anything about last I looked at it) .  Part of the problem is those collection types need to be in separate shape tags for etc and for holes I think people cut around the shape.

For multipolygons I usually dump them out first using ST_Dump.

 

As far as some kinda real-world stuff, have some examples here:

http://www.postgis.us/presentations/FOSS4GNA2015_Workshop1.html#/5/5

 

For my use-cases I've only really needed it for rendering polyhedral surfaces.

 

Thanks,

Regina

 

 

 

From: postgis-devel-bounces at lists.osgeo.org [mailto:postgis-devel-bounces at lists.osgeo.org] On Behalf Of Rémi Cura
Sent: Thursday, April 30, 2015 5:45 PM
To: PostGIS Development Discussion
Subject: Re: [postgis-devel] Status of X3D

 

Hey,

I recently had a lot of trouble with x3D.

I couldn't use it with several geom in one file ( N Multipolygon in one x3d), 

and a classic viewer (like MeshLab or CloudCompare in my case).

 

I resorted to use .PLY files, for which I feel shameful.

 

Any real world example (more complex than the PostGIS doc, and outputting real x3D files)?

 

Cheers,

Rémi-C

 

2015-04-30 21:36 GMT+02:00 Paragon Corporation <lr at pcorp.us <mailto:lr at pcorp.us> >:

Tom,

Not too much since that email aside from minor cleanup.  I still plan to get
the GeoSpatial X3D stuff in iPostGIS 2.2 before July.

I'll repost once I've got some stuff people can test out.

Thanks,
Regina
http://www.postgis.us
http://postgis.net



-----Original Message-----
From: postgis-devel-bounces at lists.osgeo.org <mailto:postgis-devel-bounces at lists.osgeo.org> 
[mailto:postgis-devel-bounces at lists.osgeo.org <mailto:postgis-devel-bounces at lists.osgeo.org> ] On Behalf Of Tom van Tilburg
Sent: Thursday, April 30, 2015 4:21 AM
To: postgis-devel at lists.osgeo.org <mailto:postgis-devel at lists.osgeo.org> 
Subject: [postgis-devel] Status of X3D

Hi,

It's been a while since the ST_AsX3D function is around and I've seen
discussion going on last year about upgrading it to produce GeoSpatial X3D:
http://web3d.org/pipermail/x3d-public_web3d.org/2014-July/002876.html

Just out of curiosity: Has any work been done lately on this? I really like
the implementation as it is but having the geospatial standard together with
X3DOM would add a lot of power to it.

Best,
  Tom
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