<element name="Tin" type="gml:TinType" substitutionGroup="gml:TriangulatedSurface">
<annotation>
<documentation>A tin is a triangulated surface that uses the Delauny algorithm or a similar algorithm complemented with consideration of stoplines (stopLines), breaklines (breakLines), and maximum length of triangle sides (maxLength). controlPoint shall contain a set of the positions (three or more) used as posts for this TIN (corners of the triangles in the TIN). See ISO 19107:2003, 6.4.39 for details.</documentation>
</annotation>
</element>
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