[auscope-geosciml] MappedFeature properties

Laxton, John L jll at bgs.ac.uk
Fri Aug 13 04:30:35 EDT 2010


I think this is a very good idea. Even where we are delivering survey scale data where the information from individual polygons may vary the MappingProperties are generally constant - and where they aren't the information can be given in line as Ollie says.

John

From: auscope-geosciml-bounces at lists.arcs.org.au [mailto:auscope-geosciml-bounces at lists.arcs.org.au] On Behalf Of Boisvert, Eric
Sent: 12 August 2010 19:55
To: auscope-geosciml at lists.arcs.org.au
Subject: [auscope-geosciml] MappedFeature properties



While creating instance document, I realised that most of MappedFeature properties are highly redundant by design, because they all come from the same map.  Wouldn't it be more efficient to tear those properties apart so they can be references in block.

[cid:image001.png at 01CB3AC9.5C174EE0]

The GeoSciML reprensentation could be then reduced to

<gsml:MappedFeature  gml:id="cat.1637">
        <gml:name codeSpace="http://www.ietf.org/rfc/rfc2616">http://ngwd-bdnes.cits.nrcan.gc.ca:8080/Reference/uri-cgi/feature/GSC/mappedfeature/1637</gml:name>

        <gsml:mappingDetails xlink:href="http://xxx.yyy.zzz/of2541" xlink:title="Open File 2541 Geology"/>
        <!-- or use #id syntax if this info already appears within another MappedFeature -->
        <gsml:specification xlink:href="http://xxx.yyy.zzz/classifier/feature/GSC/GeologicUnit/of2541/Trenton" xlink:title="Trenton Group">

        <gsml:shape>
                <gml:Polygon gml:id="cat.geom.1637" srsName="EPSG:4326">
                        <gml:exterior>
                                <gml:LinearRing>
                                        <gml:posList xmlns:gsc="http://www.nrcan.gc.ca/gsc" xmlns:saxon="http://saxon.sf.net/" srsDimension="2">-71.9778 45.00012 -71.74153 45.00107 -71.69383 44.97519 -71.66677 44.96171 -71.67082 44.92908 -71.67202 44.92475 -71.67365 44.92057 -71.67574 44.91655 -71.67825 44.91264 -71.68097 44.90864 -71.68386 44.90459 -71.68695 44.9005 -71.69021 44.89643 -71.69365 44.89239 -71.69725 44.88843 -71.70102 44.88457 -71.70495 44.88085 -71.70904 44.8773 -71.71329 44.87396 -71.71768 44.87085 -71.72223 44.86801 -71.72691 44.86549 -71.73174 44.86329 -71.73676 44.86147 -71.74213 44.86002 -71.74783 44.8589 -71.75381 44.8581 -71.76002 44.85758 -71.7664 44.85732 -71.77293 44.85728 -71.77953 44.85746 -71.78618 44.8578 -71.79282 44.85829 -71.79939 44.8589 -71.80587 44.8596 -71.81219 44.86037 -71.81831 44.86116 -71.82428 44.86204 -71.83026 44.86309 -71.83624 44.86432 -71.8422 44.86571 -71.84813 44.86726 -71.854 44.86895 -71.85981 44.87078 -71.86553 44.87273 -71.87115 44.87481 -71.87666 44.87701 -71.88204 44.8793 -71.88727 44.8817 -71.89233 44.88418 -71.89728 44.88676 -71.90222 44.88943 -71.9071 44.89219 -71.91193 44.89504 -71.91669 44.89799 -71.92137 44.901 -71.92596 44.90411 -71.93045 44.90728 -71.93484 44.91053 -71.93909 44.91385 -71.94321 44.91723 -71.94718 44.92067 -71.951 44.92416 -71.95464 44.92771 -71.95809 44.9313 -71.96133 44.93497 -71.96431 44.93876 -71.96704 44.94266 -71.96955 44.94666 -71.97189 44.95074 -71.97406 44.95489 -71.9761 44.9591 -71.98193 44.97396 -71.9778 45.00012</gml:posList>

                                </gml:LinearRing>
                        </gml:exterior>
                </gml:Polygon>
        </gsml:shape>

Just my 2 cents

================================================================
Eric Boisvert
Spécialiste TI-GI / IT-IM specialist
Eric.Boisvert at rncan.gc.ca, 418-654-3705, facsimile/télécopieur
418-654-2615
490, rue de la Couronne, Québec (Québec), G1K 9A9
490, rue de la Couronne, Quebec, Quebec, G1K 9A9

Laboratoire de cartographie numérique et de photogrammétrie (LCNP)
Digital Cartography and Photogrammetry Laboratory (DCPL)
Commission géologique du Canada (Québec) / Geological Survey of Canada (Quebec)
Ressources naturelles Canada / Natural Resources Canada
Gouvernement du Canada / Government of Canada
http://cgc.rncan.gc.ca/org/quebec
http://cgc.rncan.gc.ca/dir/index_f.php?id=4186 / http://cgc.rncan.gc.ca/dir/index_e.php?id=4186



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