Definition: OGP XML
<div class="syntax"><pre><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span>
<span class="nt"><gml:GeodeticDatum</span> <span class="na">xmlns:epsg=</span><span class="s">"urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset"</span> <span class="na">xmlns:gml=</span><span class="s">"http://www.opengis.net/gml/3.2"</span> <span class="na">xmlns:xlink=</span><span class="s">"http://www.w3.org/1999/xlink"</span> <span class="na">gml:id=</span><span class="s">"epsg-datum-6738"</span><span class="nt">></span>
<span class="nt"><gml:metaDataProperty></span>
<span class="nt"><epsg:CommonMetaData></span>
<span class="nt"><epsg:type></span>geodetic<span class="nt"></epsg:type></span>
<span class="nt"><epsg:alias</span> <span class="na">alias=</span><span class="s">"HK63"</span> <span class="na">code=</span><span class="s">"3172"</span> <span class="na">codeSpace=</span><span class="s">"urn:ogc:def:naming-system:EPSG::7302"</span> <span class="nt">/></span>
<span class="nt"><epsg:informationSource></span>Survey and Mapping Office, Lands Department. http://www.info.gov.hk/landsd/<span class="nt"></epsg:informationSource></span>
<span class="nt"><epsg:revisionDate></span>2008-06-24<span class="nt"></epsg:revisionDate></span>
<span class="nt"><epsg:changes></span>
<span class="nt"><epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:change-request:EPSG::2008.045"</span> <span class="nt">/></span>
<span class="nt"></epsg:changes></span>
<span class="nt"><epsg:isDeprecated></span>false<span class="nt"></epsg:isDeprecated></span>
<span class="nt"></epsg:CommonMetaData></span>
<span class="nt"></gml:metaDataProperty></span>
<span class="nt"><gml:identifier</span> <span class="na">codeSpace=</span><span class="s">"OGP"</span><span class="nt">></span>urn:ogc:def:datum:EPSG::6738<span class="nt"></gml:identifier></span>
<span class="nt"><gml:name></span>Hong Kong 1963<span class="nt"></gml:name></span>
<span class="nt"><gml:remarks></span>Replaced by Hong Kong 1963(67) for military purposes only in 1967. Replaced by Hong Kong 1980.<span class="nt"></gml:remarks></span>
<span class="nt"><gml:domainOfValidity</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:area:EPSG::1118"</span> <span class="nt">/></span>
<span class="nt"><gml:scope></span>Topographic mapping and hydrographic charting.<span class="nt"></gml:scope></span>
<span class="nt"><gml:anchorDefinition></span>Fundamental point: Trig "Zero", 38.4 feet south along the transit circle of the Kowloon Observatory. Latitude 22°18'12.82"N, longitude 114°10'18.75"E (of Greenwich).<span class="nt"></gml:anchorDefinition></span>
<span class="nt"><gml:realizationEpoch></span>1963-01-01<span class="nt"></gml:realizationEpoch></span>
<span class="nt"><gml:primeMeridian</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:meridian:EPSG::8901"</span> <span class="nt">/></span>
<span class="nt"><gml:ellipsoid</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:ellipsoid:EPSG::7007"</span> <span class="nt">/></span>
<span class="nt"></gml:GeodeticDatum></span>
</pre></div>
<?xml version="1.0" encoding="UTF-8"?>
<gml:GeodeticDatum xmlns:epsg="urn:x-ogp:spec:schema-xsd:EPSG:1.0:dataset" xmlns:gml="http://www.opengis.net/gml/3.2" xmlns:xlink="http://www.w3.org/1999/xlink" gml:id="epsg-datum-6738">
<gml:metaDataProperty>
<epsg:CommonMetaData>
<epsg:type>geodetic</epsg:type>
<epsg:alias alias="HK63" code="3172" codeSpace="urn:ogc:def:naming-system:EPSG::7302" />
<epsg:informationSource>Survey and Mapping Office, Lands Department. http://www.info.gov.hk/landsd/</epsg:informationSource>
<epsg:revisionDate>2008-06-24</epsg:revisionDate>
<epsg:changes>
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2008.045" />
</epsg:changes>
<epsg:isDeprecated>false</epsg:isDeprecated>
</epsg:CommonMetaData>
</gml:metaDataProperty>
<gml:identifier codeSpace="OGP">urn:ogc:def:datum:EPSG::6738</gml:identifier>
<gml:name>Hong Kong 1963</gml:name>
<gml:remarks>Replaced by Hong Kong 1963(67) for military purposes only in 1967. Replaced by Hong Kong 1980.</gml:remarks>
<gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::1118" />
<gml:scope>Topographic mapping and hydrographic charting.</gml:scope>
<gml:anchorDefinition>Fundamental point: Trig "Zero", 38.4 feet south along the transit circle of the Kowloon Observatory. Latitude 22°18'12.82"N, longitude 114°10'18.75"E (of Greenwich).</gml:anchorDefinition>
<gml:realizationEpoch>1963-01-01</gml:realizationEpoch>
<gml:primeMeridian xlink:href="urn:ogc:def:meridian:EPSG::8901" />
<gml:ellipsoid xlink:href="urn:ogc:def:ellipsoid:EPSG::7007" />
</gml:GeodeticDatum>