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<PRONOM-Report xmlns="http://pronom.nationalarchives.gov.uk">
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    <FileFormat>
      <FormatID>1632</FormatID>
      <FormatName>Polygon File Format</FormatName>
      <FormatVersion>
      </FormatVersion>
      <FormatAliases>Stanford Triangle Format</FormatAliases>
      <FormatFamilies>
      </FormatFamilies>
      <FormatTypes>Model</FormatTypes>
      <FormatDisclosure>
      </FormatDisclosure>
      <FormatDescription>Also known as the Stanford Triangle Format, PLY is a format for storing graphical objects that are described as a collection of polygons. PLY can be represented in ASCII or binary.</FormatDescription>
      <BinaryFileFormat>
      </BinaryFileFormat>
      <ByteOrders>
      </ByteOrders>
      <ReleaseDate>
      </ReleaseDate>
      <WithdrawnDate>
      </WithdrawnDate>
      <ProvenanceSourceID>1</ProvenanceSourceID>
      <ProvenanceName>Digital Preservation Department / The National Archives</ProvenanceName>
      <ProvenanceSourceDate>21 Dec 2015</ProvenanceSourceDate>
      <ProvenanceDescription>
      </ProvenanceDescription>
      <LastUpdatedDate>21 Dec 2015</LastUpdatedDate>
      <FormatNote>
      </FormatNote>
      <FormatRisk>
      </FormatRisk>
      <TechnicalEnvironment>
      </TechnicalEnvironment>
      <FileFormatIdentifier>
        <Identifier>fmt/831</Identifier>
        <IdentifierType>PUID</IdentifierType>
      </FileFormatIdentifier>
      <ExternalSignature>
        <ExternalSignatureID>1738</ExternalSignatureID>
        <Signature>ply</Signature>
        <SignatureType>File extension</SignatureType>
      </ExternalSignature>
      <InternalSignature>
        <SignatureID>1188</SignatureID>
        <SignatureName>PLY</SignatureName>
        <SignatureNote>BOF: ply [line break] format (ascii|binary_little_endian|binary_big_endian) 1.0</SignatureNote>
        <ByteSequence>
          <ByteSequenceID>1463</ByteSequenceID>
          <PositionType>Absolute from BOF</PositionType>
          <Offset>0</Offset>
          <MaxOffset>0</MaxOffset>
          <IndirectOffsetLocation>
          </IndirectOffsetLocation>
          <IndirectOffsetLength>
          </IndirectOffsetLength>
          <Endianness>
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          <ByteSequenceValue>706C79(0A|0D|0D0A)666F726D617420(6173636969|62696E6172795F6C6974746C655F656E6469616E|62696E6172795F6269675F656E6469616E)20312E30</ByteSequenceValue>
        </ByteSequence>
      </InternalSignature>
    </FileFormat>
    <SearchCriteria>Criteria</SearchCriteria>
  </report_format_detail>
</PRONOM-Report>
