| 1 | <?xml version="1.0" encoding="UTF-8"?> |
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| 2 | <xsd:schema |
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| 3 | elementFormDefault="qualified" |
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| 4 | attributeFormDefault="unqualified" |
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| 5 | targetNamespace="http://www.witsml.org/schemas/131" |
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| 6 | xmlns:witsml="http://www.witsml.org/schemas/131" |
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| 7 | xmlns:xsd="http://www.w3.org/2001/XMLSchema" |
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| 8 | version="1.3.1"> |
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| 9 | <!-- --> |
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| 10 | <!-- POSC License Agreement |
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| 11 | This file is distributed under the POSC License Agreement at |
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| 12 | http://www.posc.org/about/license.shtml. |
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| 13 | Use of this file constitutes agreement with the POSC License Agreement. |
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| 14 | --> |
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| 15 | <!-- --> |
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| 16 | <xsd:include schemaLocation="cs_geodeticModel.xsd"/> |
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| 17 | <xsd:include schemaLocation="cs_projectionx.xsd"/> |
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| 18 | <xsd:include schemaLocation="cs_localCRS.xsd"/> |
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| 19 | <xsd:include schemaLocation="attgrp_uid.xsd"/> |
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| 20 | <!-- --> |
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| 21 | <xsd:complexType name="cs_wellCRS"> |
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| 22 | <xsd:annotation> |
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| 23 | <xsd:documentation> WITSML - Well Coordinate Reference System Component Schema. |
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| 24 | Note that this is intended for use with two dimensional coordinates. |
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| 25 | That does not prevent the use of a three dimensional CRS. It just means that |
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| 26 | only two coordinates will be specified in that 3D system. The veritcal coordinates are |
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| 27 | specified separately and, for 3D systems, one of the linked wellDatums should represent |
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| 28 | the vertical datum of that 3D system so that the height in the 3d system can be determined. </xsd:documentation> |
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| 29 | </xsd:annotation> |
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| 30 | <xsd:sequence> |
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| 31 | <xsd:element name="name" type="witsml:nameString" minOccurs="1" maxOccurs="1"> |
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| 32 | <xsd:annotation> |
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| 33 | <xsd:documentation>Human recognizable context for the system. |
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| 34 | For a geographic system this is commonly the name of the datum. </xsd:documentation> |
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| 35 | </xsd:annotation> |
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| 36 | </xsd:element> |
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| 37 | <xsd:choice minOccurs="0" maxOccurs="1"> |
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| 38 | <xsd:annotation> |
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| 39 | <xsd:documentation>Each well CRS can only represent only one type of system. |
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| 40 | Note that these structures do not truly define a CRS but rather specify |
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| 41 | information that could be used to describe a CRS.</xsd:documentation> |
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| 42 | </xsd:annotation> |
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| 43 | <xsd:element name="mapProjection" type="witsml:cs_projectionx" minOccurs="0" maxOccurs="1"> |
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| 44 | <xsd:annotation> |
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| 45 | <xsd:documentation>Map projection system. </xsd:documentation> |
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| 46 | </xsd:annotation> |
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| 47 | </xsd:element> |
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| 48 | <xsd:element name="geographic" type="witsml:cs_geodeticModel" minOccurs="0" maxOccurs="1"> |
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| 49 | <xsd:annotation> |
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| 50 | <xsd:documentation>Geographic system. </xsd:documentation> |
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| 51 | </xsd:annotation> |
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| 52 | </xsd:element> |
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| 53 | <xsd:element name="localCRS" type="witsml:cs_localCRS" minOccurs="0" maxOccurs="1"> |
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| 54 | <xsd:annotation> |
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| 55 | <xsd:documentation>Local (engineering) system. </xsd:documentation> |
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| 56 | </xsd:annotation> |
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| 57 | </xsd:element> |
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| 58 | </xsd:choice> |
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| 59 | <xsd:element name="description" type="witsml:descriptionString" minOccurs="0" maxOccurs="1"> |
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| 60 | <xsd:annotation> |
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| 61 | <xsd:documentation>A textual description of the system. </xsd:documentation> |
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| 62 | </xsd:annotation> |
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| 63 | </xsd:element> |
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| 64 | </xsd:sequence> |
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| 65 | <xsd:attributeGroup ref="witsml:attgrp_uid"> |
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| 66 | <xsd:annotation> |
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| 67 | <xsd:documentation>The unique identifier of the system.</xsd:documentation> |
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| 68 | </xsd:annotation> |
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| 69 | </xsd:attributeGroup> |
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| 70 | </xsd:complexType> |
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| 71 | </xsd:schema> |
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