Definition: OGP XML
<div class="syntax"><pre><span class="cp"><?xml version="1.0" encoding="UTF-8"?></span>
<span class="nt"><gml:OperationMethod</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">"iogp-method-9618"</span><span class="nt">></span>
<span class="nt"><gml:metaDataProperty></span>
<span class="nt"><epsg:CommonMetaData></span>
<span class="nt"><epsg:informationSource></span>EPSG guidance note #7-2, http://www.epsg.org<span class="nt"></epsg:informationSource></span>
<span class="nt"><epsg:revisionDate></span>2017-06-13<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::1999.790"</span> <span class="nt">/></span>
<span class="nt"><epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:change-request:EPSG::2004.330"</span> <span class="nt">/></span>
<span class="nt"><epsg:changeID</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:change-request:EPSG::2017.018"</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:metaDataProperty></span>
<span class="nt"><epsg:CoordinateOperationMethodMetaData></span>
<span class="nt"><epsg:isOperationReversible></span>true<span class="nt"></epsg:isOperationReversible></span>
<span class="nt"><epsg:signReversal</span> <span class="na">changeSign=</span><span class="s">"true"</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:parameter:EPSG::8601"</span> <span class="nt">/></span>
<span class="nt"><epsg:signReversal</span> <span class="na">changeSign=</span><span class="s">"true"</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:parameter:EPSG::8602"</span> <span class="nt">/></span>
<span class="nt"><epsg:signReversal</span> <span class="na">changeSign=</span><span class="s">"true"</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:parameter:EPSG::8604"</span> <span class="nt">/></span>
<span class="nt"><epsg:example></span>(none)<span class="nt"></epsg:example></span>
<span class="nt"></epsg:CoordinateOperationMethodMetaData></span>
<span class="nt"></gml:metaDataProperty></span>
<span class="nt"><gml:identifier</span> <span class="na">codeSpace=</span><span class="s">"IOGP"</span><span class="nt">></span>urn:ogc:def:method:EPSG::9618<span class="nt"></gml:identifier></span>
<span class="nt"><gml:name></span>Geographic2D with Height Offsets<span class="nt"></gml:name></span>
<span class="nt"><gml:remarks></span>This transformation allows calculation of coordinates in the target system by adding the parameter value to the coordinate values of the point in the source system.<span class="nt"></gml:remarks></span>
<span class="nt"><gml:formula></span>Note: These formulas have been transcribed from EPSG Guidance Note #7-2. Users are encouraged to use that document rather than the text which follows as reference because limitations in the transcription will be avoided.
Lat_T = Lat_S + latitude_offset
Lon_T = Lon_S + longitude_offset
EllipsoidHeight_T = GravityHeight_S + gravity-related_to_ellipsoid_height_offset.<span class="nt"></gml:formula></span>
<span class="nt"><gml:generalOperationParameter</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:parameter:EPSG::8601"</span> <span class="nt">/></span>
<span class="nt"><gml:generalOperationParameter</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:parameter:EPSG::8602"</span> <span class="nt">/></span>
<span class="nt"><gml:generalOperationParameter</span> <span class="na">xlink:href=</span><span class="s">"urn:ogc:def:parameter:EPSG::8604"</span> <span class="nt">/></span>
<span class="nt"></gml:OperationMethod></span>
</pre></div>
<?xml version="1.0" encoding="UTF-8"?>
<gml:OperationMethod 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="iogp-method-9618">
<gml:metaDataProperty>
<epsg:CommonMetaData>
<epsg:informationSource>EPSG guidance note #7-2, http://www.epsg.org</epsg:informationSource>
<epsg:revisionDate>2017-06-13</epsg:revisionDate>
<epsg:changes>
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::1999.790" />
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2004.330" />
<epsg:changeID xlink:href="urn:ogc:def:change-request:EPSG::2017.018" />
</epsg:changes>
<epsg:show>true</epsg:show>
<epsg:isDeprecated>false</epsg:isDeprecated>
</epsg:CommonMetaData>
</gml:metaDataProperty>
<gml:metaDataProperty>
<epsg:CoordinateOperationMethodMetaData>
<epsg:isOperationReversible>true</epsg:isOperationReversible>
<epsg:signReversal changeSign="true" xlink:href="urn:ogc:def:parameter:EPSG::8601" />
<epsg:signReversal changeSign="true" xlink:href="urn:ogc:def:parameter:EPSG::8602" />
<epsg:signReversal changeSign="true" xlink:href="urn:ogc:def:parameter:EPSG::8604" />
<epsg:example>(none)</epsg:example>
</epsg:CoordinateOperationMethodMetaData>
</gml:metaDataProperty>
<gml:identifier codeSpace="IOGP">urn:ogc:def:method:EPSG::9618</gml:identifier>
<gml:name>Geographic2D with Height Offsets</gml:name>
<gml:remarks>This transformation allows calculation of coordinates in the target system by adding the parameter value to the coordinate values of the point in the source system.</gml:remarks>
<gml:formula>Note: These formulas have been transcribed from EPSG Guidance Note #7-2. Users are encouraged to use that document rather than the text which follows as reference because limitations in the transcription will be avoided.
Lat_T = Lat_S + latitude_offset
Lon_T = Lon_S + longitude_offset
EllipsoidHeight_T = GravityHeight_S + gravity-related_to_ellipsoid_height_offset.</gml:formula>
<gml:generalOperationParameter xlink:href="urn:ogc:def:parameter:EPSG::8601" />
<gml:generalOperationParameter xlink:href="urn:ogc:def:parameter:EPSG::8602" />
<gml:generalOperationParameter xlink:href="urn:ogc:def:parameter:EPSG::8604" />
</gml:OperationMethod>