eml-spatialRaster

[Peter McCartney]

Matts answer is correct. There are about 1500 projection definitions in
the EML spatial referenc dictionary that were loaded from the
definitions shipped with ArcGIS 8.1. their names correspond to the names
that you see when you browse these in ArcTools. If your projection is
not among these then you will need to create a custom projection
description and provide all the component parts - datum, spheroid, and
(if a projected system ) projection description. Bear in mind I don't
think anyone has written any software tools to deal with custom
information - most of us look for a named projection that can be
associated with a named projection in whatever software system we are
using.

Peter McCartney(peter.mccartney at asu.edu)
International Institute for Sustainability
Arizona State University
480-965-6791


> -----Original Message-----
> From: eml-dev-admin at ecoinformatics.org 
> [mailto:eml-dev-admin at ecoinformatics.org] On Behalf Of Matt Jones
> Sent: Monday, February 28, 2005 12:19 PM
> To: ltell002 at fiu.edu
> Cc: eml-dev
> Subject: Re: eml-spatialRaster
> 
> 
> Hi Laura,
> 
> I'm not an expert in this area of EML, but here's my understanding...
> 
> The spatialReference field 
> (/eml/dataset/spatialRaster/spatialReference) 
> contains the projection information.  You can provide it by either 
> choosing one of the pre-defined projections that are listed in the 
> eml-spatialReferenceDictionary.xml and listing its name in 
> horizCoordSysName (see 
> http://knb.ecoinformatics.org/software/eml/eml-2.0.1/eml-spati
alReference.html#horizCoordSysName), 
or define a new coordinate system by filling in the information in 
horizCoordSysDef (see 
http://knb.ecoinformatics.org/software/eml/eml-2.0.1/eml-spatialReferenc
e.html#horizCoordSysDef).

As I said, I do not know this stuff well.  Others on eml-dev may be able

to give more concrete advice and corrections, so I am cc'ing the list to

see what we get back.

Matt

ltell002 at fiu.edu wrote:
> I am a student at Florida International University and i am currently
> working on creating metadata in EML, however i haven't been able to
find
> the way to insert projection information. Can you help me out with
> information on how to use the eml spatial raster module?
> 
> Thank you very much for your help,
> 
> Laura Tellez
> 

-- 
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Matt Jones                                     jones at nceas.ucsb.edu
http://www.nceas.ucsb.edu/    Fax: 425-920-2439    Ph: 907-789-0496
National Center for Ecological Analysis and Synthesis (NCEAS) University
of California Santa Barbara Interested in ecological informatics?
http://www.ecoinformatics.org
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