[x3d-public] [geospatial] new web Mercator geoSystem proposal
Roy Walmsley
roy.walmsley at ntlworld.com
Tue Mar 22 03:44:09 PDT 2016
Andreas,
Thank you for the suggestion. It sounds like a great idea. I will raise a separate Mantis issue covering this.
Roy
From: geospatial [mailto:geospatial-bounces at web3d.org] On Behalf Of Andreas Plesch
Sent: 22 March 2016 01:36
To: geospatial at web3d org
Cc: X3D Graphics public mailing list
Subject: [geospatial] new web Mercator geoSystem proposal
x3d v.4 should support a new, web Mercator geoSystem.
https://en.wikipedia.org/wiki/Web_Mercator
is the projection used for all web mapping (slippy maps). Having it available will make it possible to use such maps in a precise manner within the geospatial component.
Section 25.2.3
http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/geodata.html#Specifyingaspatialreference
will need to be amended by
"WM" - Web Mercator. No additional arguments are supported. An example spatial reference frame definition of this format is [ "WM" ].
I can come up with an entry for section 25.2.4. as well.
--
Andreas Plesch
39 Barbara Rd.
Waltham, MA 02453
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