ElevationGrid

<xs:element name="ElevationGrid">
  <xs:annotation>
    <xs:appinfo>
      <xs:attribute name="set_height" type="MFFloat" fixed="inputOnlyField"/>
      <xs:element name="attrib" type="MFNode" fixed="inputOutputField" default="X3DVertexAttributeNode"/>
      <xs:element name="color" type="SFNode" fixed="inputOutputField" default="X3DColorNode"/>
      <xs:element name="fogCoord" type="SFNode" fixed="inputOutputField" default="FogCoordinate"/>
      <xs:element name="normal" type="SFNode" fixed="inputOutputField" default="X3DNormalNode"/>
      <xs:element name="texCoord" type="SFNode" fixed="inputOutputField" default="X3DTextureCoordinateNode"/>
      <xs:attribute name="componentName" type="xs:NMTOKEN" fixed="Geometry3D"/>
      <xs:attribute name="componentLevel" type="xs:positiveInteger" fixed="3"/>
    </xs:appinfo>
    <xs:documentation source="http://www.web3d.org/documents/specifications/19775-1/V3.3/Part01/components/geometry3D.html#ElevationGrid"/>
  </xs:annotation>
  <xs:complexType>
    <xs:complexContent>
      <xs:extension base="X3DGeometryNode">
        <xs:choice minOccurs="0">
          <!-- TODO do we really want maxOccurs="unbounded" ? -->
          <xs:element ref="FloatVertexAttribute">
            <xs:annotation>
              <xs:documentation>attrib</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="Matrix3VertexAttribute">
            <xs:annotation>
              <xs:documentation>attrib</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="Matrix4VertexAttribute">
            <xs:annotation>
              <xs:documentation>attrib</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="Color">
            <xs:annotation>
              <xs:documentation>color</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="ColorRGBA">
            <xs:annotation>
              <xs:documentation>color</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="FogCoordinate">
            <xs:annotation>
              <xs:documentation>fogcoord</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="Normal">
            <xs:annotation>
              <xs:documentation>normal</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="TextureCoordinate">
            <xs:annotation>
              <xs:documentation>texcoord</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="TextureCoordinate3D">
            <xs:annotation>
              <xs:documentation>texcoord</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="TextureCoordinate4D">
            <xs:annotation>
              <xs:documentation>texcoord</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="TextureCoordinateGenerator">
            <xs:annotation>
              <xs:documentation>texcoord</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="MultiTextureCoordinate">
            <xs:annotation>
              <xs:documentation>texcoord</xs:documentation>
            </xs:annotation>
          </xs:element>
          <xs:element ref="ProtoInstance">
            <xs:annotation>
              <xs:documentation>Appropriately typed substitution node</xs:documentation>
            </xs:annotation>
          </xs:element>
        </xs:choice>
        <xs:attribute name="height" type="MFFloat" default="0 0 0 0"/>
        <xs:attribute name="ccw" type="SFBool" default="true">
          <xs:annotation>
            <xs:appinfo>
              <xs:attribute name="componentName" type="xs:NMTOKEN" fixed="Geometry3D"/>
              <xs:attribute name="componentLevel" type="xs:positiveInteger" fixed="4"/>
            </xs:appinfo>
          </xs:annotation>
        </xs:attribute>
        <xs:attribute name="colorPerVertex" type="SFBool" default="true"/>
        <xs:attribute name="creaseAngle" default="0">
          <!-- type="SFFloatNonNegative" -->
          <xs:simpleType>
            <xs:restriction base="SFFloat">
              <xs:minInclusive value="0"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="normalPerVertex" type="SFBool" default="true"/>
        <xs:attribute name="solid" type="SFBool" default="true"/>
        <xs:attribute name="xDimension" default="2">
          <!-- type="SFInt32NonNegative" -->
          <xs:simpleType>
            <xs:restriction base="SFInt32">
              <xs:minInclusive value="0"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="xSpacing" default="1.0">
          <!-- type="SFFloatPositive" -->
          <xs:simpleType>
            <xs:restriction base="SFFloat">
              <xs:minExclusive value="0"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="zDimension" default="2">
          <!-- type="SFInt32NonNegative" -->
          <xs:simpleType>
            <xs:restriction base="SFInt32">
              <xs:minInclusive value="0"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="zSpacing" default="1.0">
          <!-- type="SFFloatPositive" -->
          <xs:simpleType>
            <xs:restriction base="SFFloat">
              <xs:minExclusive value="0"/>
            </xs:restriction>
          </xs:simpleType>
        </xs:attribute>
        <xs:attribute name="containerField" type="xs:NMTOKEN" default="geometry"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:element>