Definition: OGP XML
<div class="syntax"><pre><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span>
<span class="nt"><gml:VerticalCRS</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">"ogp-crs-6638"</span><span class="nt">></span>
<span class="nt"><gml:metaDataProperty></span>
<span class="nt"><epsg:CommonMetaData></span>
<span class="nt"><epsg:type></span>vertical<span class="nt"></epsg:type></span>
<span class="nt"><epsg:alias</span> <span class="na">alias=</span><span class="s">"Tutuila Vertical Datum of 1962 height (m)"</span> <span class="na">code=</span><span class="s">"31537"</span> <span class="na">codeSpace=</span><span class="s">"urn:ogc:def:naming-system:EPSG::7301"</span> <span class="nt">/></span>
<span class="nt"><epsg:informationSource></span>National Geodetic Survey, http://www.ngs.noaa.gov<span class="nt"></epsg:informationSource></span>
<span class="nt"><epsg:revisionDate></span>2013-10-21<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::2013.044"</span> <span class="nt">/></span>
<span class="nt"></epsg:changes></span>
<span class="nt"><epsg:show></span>true<span class="nt"></epsg:show></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:crs:EPSG::6638<span class="nt"></gml:identifier></span>
<span class="nt"><gml:name></span>Tutuila 1962 height<span class="nt"></gml:name></span>
<span class="nt"><gml:remarks></span>Replaced by ASVD02 height (CRS code 6643).<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::2288"</span> <span class="nt">/></span>
<span class="nt"><gml:scope></span>Geodetic, topographic and engineering surveying.<span class="nt"></gml:scope></span>
<span class="nt"><gml:verticalCS</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:cs:EPSG::6499"</span> <span class="nt">/></span>
<span class="nt"><gml:verticalDatum</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:datum:EPSG::1121"</span> <span class="nt">/></span>
<span class="nt"></gml:VerticalCRS></span>
</pre></div>
<?xml version="1.0" encoding="UTF-8"?>
<gml:VerticalCRS 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="ogp-crs-6638">
<gml:metaDataProperty>
<epsg:CommonMetaData>
<epsg:type>vertical</epsg:type>
<epsg:alias alias="Tutuila Vertical Datum of 1962 height (m)" code="31537" codeSpace="urn:ogc:def:naming-system:EPSG::7301" />
<epsg:informationSource>National Geodetic Survey, http://www.ngs.noaa.gov</epsg:informationSource>
<epsg:revisionDate>2013-10-21</epsg:revisionDate>
<epsg:changes>
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2013.044" />
</epsg:changes>
<epsg:show>true</epsg:show>
<epsg:isDeprecated>false</epsg:isDeprecated>
</epsg:CommonMetaData>
</gml:metaDataProperty>
<gml:identifier codeSpace="OGP">urn:ogc:def:crs:EPSG::6638</gml:identifier>
<gml:name>Tutuila 1962 height</gml:name>
<gml:remarks>Replaced by ASVD02 height (CRS code 6643).</gml:remarks>
<gml:domainOfValidity xlink:href="urn:ogc:def:area:EPSG::2288" />
<gml:scope>Geodetic, topographic and engineering surveying.</gml:scope>
<gml:verticalCS xlink:href="urn:ogc:def:cs:EPSG::6499" />
<gml:verticalDatum xlink:href="urn:ogc:def:datum:EPSG::1121" />
</gml:VerticalCRS>