ISO 14739-1:2014
Document management — 3D use of Product Representation Compact (PRC) format — Part 1: PRC 10001
ISO 14739-1:2014 describes PRC 10001 of a product representation compact (PRC) file format for three dimensional (3D) content data. This format is designed to be included in PDF (ISO 32000) and other similar document formats for the purpose of 3D visualization and exchange. It can be used for creating, viewing, and distributing 3D data in document exchange workflows. It is optimized to store, load, and display various kinds of 3D data, especially that coming from computer aided design (CAD) systems.
This International Standard does not apply to:
Method of electronic distribution
Converting CAD system generated datasets to the PRC format
Specific technical design, user interface, implementation, or operational details of rendering
Required computer hardware and/or operating systems
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1 Scope
2 Normative references
3 Terms and definitions
4 Document syntax conventions
4.1 Conventions
4.2 Example Structure
5 PRC file concepts
5.1 The PRC file
5.2 Versioning
5.3 Unique identifiers
5.3.1 General
5.3.2 File structure
5.3.3 Base entities
5.3.4 Other systems
5.4 Current data values
5.5 Userdata
5.6 Units
5.7 Tolerances
5.8 Compressed file sections
5.9 Compressed geometry
5.10 Compressed tessellation
6 PRC file contents
6.1 Fileheader
6.1.1 General
6.2.1 General
6.3 PRC Schema
6.3.1 General
7 PRC basic types
7.1 General
7.2 Uncompressed types
7.2.4 UncompressedUniqueId
7.3 Compressed types
7.3.1 General
7.3.2 Atomic Types
7.3.2.1 Bits(n)
7.3.2.2 Boolean
7.3.2.3 Character
7.3.2.4 Integer
7.3.2.5 IntegerWithVariableBitNumber
7.3.2.6 UnsignedInteger
7.3.2.7 UnsignedIntegerWithVariableBitNumber
7.3.2.8 NumberOfBitsThenUnsignedInteger
7.3.2.9 Float
7.3.2.10 Double
7.3.2.11 DoubleWithVariableBitNumber
7.3.3 Compound Types
7.3.3.1 CompressedEntityType
7.3.3.2 CompressedUniqueId
7.3.3.3 String
7.3.3.4 CharacterArray
7.3.3.5 ShortArray
7.3.3.6 CompressedIntegerArray
7.3.3.7 CompressedIndiceArray
7.3.3.8 UserData
7.3.3.8.1 UserDataStream
7.3.3.8.2 UserDataSubSection
7.3.4 Parameter Range Types
7.3.4.1 Infinite_param
7.3.4.2 Interval
7.3.4.3 Parameterization
7.3.4.4 Domain
7.3.4.5 UVParameterization
7.3.5 Basic Geometry Types
7.3.5.1 Vector2d
7.3.5.2 Vector3d
7.3.5.3 BoundingBox
8 Base entities
8.1 General
8.2 Abstract root types
8.2.1 Entity types
8.2.3.1 General
8.2.3.2 ContentPRCBase
8.2.3.3 ContentPRCRefBase
8.2.3.3.1 AttributeData
8.2.3.3.2 Name
8.2.4.1 General
8.2.4.2 GraphicsContent
8.3 Structure and assembly
8.3.1 Entity types
8.3.3.1 General
8.3.3.2 ProductOccurrenceReference
8.3.5.1 General
8.3.5.2 FileStructureInternalGlobalData
8.3.5.2.1 General
8.3.5.2.2 MarkupSerializationHelper
8.3.5.2.2.1 General
8.3.5.2.3 FontKeysSameFont
8.3.5.2.4 RgbColor
8.3.8.1 General
8.3.9.1 General
8.3.9.2.1.1 General
8.3.9.2.1.2 BodyInformation
8.3.9.2.2.1 General
8.3.9.2.2.2 GraphicsInformation
8.3.9.2.2.3 ElementInformation
8.3.9.2.2.4 ElementGraphicsBehavior
8.3.10 PRC_TYPE_ASM_ProductOccurrence
8.3.10.1 General
8.3.10.2.1 General
8.3.10.3.1 General
8.3.12.1 General
8.4 Miscellaneous Data
8.4.1 Entity Types
8.4.3.1 General
8.4.6.1 General
8.4.8.1 General
8.4.8.3 ReferenceOnTopology Entities
8.4.10.1 General
8.5 Graphics
8.5.1 Entity types
8.5.5.1 General
8.5.6 PRC_TYPE_GRAPH_TextureApplication
8.6 Representation items
8.6.1 Entity types
8.6.3.1 General
8.6.3.2 RepresentationItemContent
8.7 Markup
8.7.1 Entity types
8.7.6 PRC_TYPE_MKP_AnnotationItem
8.8 Tessellation
8.8.1 Entity Types
8.8.5.1 General
8.8.5.2 PRC Tessellation Types
8.8.6.1 General
8.8.7.1 General
8.8.7.3 ColorData
8.8.8.1 General
8.8.8.2 Markup Flags
8.8.8.3 Markup Tessellation Behavior
8.8.8.4 Description of the first Markup code.
8.8.8.5 Description of the Second Markup Code.
8.8.8.6 Table of Entities
8.8.8.7 Block and Entity Modes
8.8.8.7.1 Description of a Block
8.8.8.7.2 Description of Modes Used in Block Definitions
8.8.8.7.3 Description of Entity Modes
8.8.8.8 Entity description
8.8.8.8.1 General
8.8.8.8.2 Polyline
8.8.8.8.3 Triangles
8.8.8.8.4 Quads
8.8.8.8.5 Polygon
8.8.8.8.6 Points
8.8.8.8.7 Face View Mode
8.8.8.8.8 Frame Draw Mode
8.8.8.8.9 Fixed Size Mode
8.8.8.8.10 Matrix Mode
8.8.8.8.11 Symbol
8.8.8.8.12 Color
8.8.8.8.13 Line Style Mode
8.8.8.8.14 Font
8.8.8.8.15 Text
8.8.8.8.16 Line Width Mode
8.8.8.8.17 Cylinder
8.8.8.8.18 Image
8.8.8.8.19 Pattern
8.8.9.1 Mesh Traversal
8.8.9.4 Mesh Normal Construction
8.9 Topology
8.9.1 Entity Types
8.9.2 Basetopology
8.9.11.1 General
8.9.11.2 CoedgeInLoop
8.9.12 PRC_TYPE_TOPO_Face
8.9.13 PRC_TYPE_TOPO_Shell
8.9.13.1 General
8.9.13.2 FacesInShell
8.9.14 PRC_TYPE_TOPO_Connex
8.9.15 PRC_TYPE_TOPO_Body
8.9.16 ContentBody
8.9.17 ContentWireEdge
8.9.18 PRC_TYPE_TOPO_SingleWireBody
8.9.19 PRC_TYPE_TOPO_BrepData
8.9.21.1 General
8.9.21.5.1 General
8.9.21.5.2 Enumeration of Compressed Entity Types
8.9.21.5.14.1 General
8.9.21.5.14.2 IsoNurbsTrimCurve
8.9.21.5.14.3 IsoNurbsTrimCrv
8.9.21.5.14.4 General
8.9.21.6.1 General
8.9.21.6.3.1 General
8.9.21.6.3.2 InteriorCompressedControlPoints
8.9.23 References
8.9.23.1 General
8.10 Curve
8.10.1 Entity Types
8.10.3.1 General
8.10.5.1 General
8.10.5.2 ControlPointsNurbsCrv
8.10.7 PRC_TYPE_CRV_Composite
8.10.11.1 General
8.10.13.1 General
8.10.17.1 General
8.11 Surface
8.11.1 Entity Types
8.11.3.1 General
8.11.7.1 General
8.11.20 PRC_TYPE_SURF_Transform
8.12 Mathematical Operator
8.12.1 Entity Types
8.12.8.1 General
8.12.8.2 CombinationFunctions
8.12.11 PRC_TYPE_MATH_FCT_3D_NonLinear
9 Schema Definition
9.1 General
9.2 Enumeration Of Schema Tokens
9.3 Schema Processing
9.3.1 EPRCSchema_Data_Boolean
9.3.2 EPRCSchema_Data_Double
9.3.3 EPRCSchema_Data_Character
9.3.4 EPRCSchema_Data_Unsigned_Integer
9.3.5 EPRCSchema_Data_Integer
9.3.6 EPRCSchema_Data_String
9.3.7 EPRCSchema_Parent_Type
9.3.8 EPRCSchema_ Vector_2D
9.3.9 EPRCSchema_ Vector_3D
9.3.10 EPRCSchema_Extent_1D
9.3.11 EPRCSchema_Extent_2D
9.3.12 EPRCSchema_Extent_3D
9.3.13 EPRCSchema_Ptr_Type
9.3.14 EPRCSchema_Ptr_Surface
9.3.15 EPRCSchema_Ptr_Curve
9.3.16 EPRCSchema_For
9.3.17 EPRCSchema_SimpleFor
9.3.18 EPRCSchema_If and EPRCSchema_Else
9.3.19 EPRCSchema_Block_Start
9.3.20 EPRCSchema_Block_Version
9.3.21 EPRCSchema_Block_End
9.3.22 EPRCSchema_Value_Declare
9.3.23 EPRCSchema_Value_Set
9.3.24 EPRCSchema_Value_DeclareAndSet
9.3.25 EPRCSchema_Value
9.3.26 EPRCSchema_Value_Constant
9.3.27 EPRCSchema_Value_For
9.3.28 EPRCSchema_Value_CurveIs3D
9.3.29 EPRCSchema_Operator_MULT
9.3.30 EPRCSchema_Operator_DIV
9.3.31 EPRCSchema_Operator_ADD
9.3.32 EPRCSchema_Operator_SUB
9.3.33 EPRCSchema_Operator_LT
9.3.34 EPRCSchema_Operator_LE
9.3.35 EPRCSchema_Operator_GT
9.3.36 EPRCSchema_Operator_GE
9.3.37 EPRCSchema_Operator_EQ
9.3.38 EPRCSchema_Operator_NEQ
9.4 Schema Requirements and Examples
9.4.1 General
9.4.2 An Existing Entity
9.4.3 Existing PRC_TYPE_CRV_Polyline
9.4.4 Add a Field to Existing Entity
9.4.5 Add a New Curve
9.4.6 Multiple Revisions to an Entity Type
10 I/O Algorithms
10.1 Getnumberofbitsusedtostoreunsignedinteger
10.2 Makeportable32bitsunsigned
10.3 Writebits
10.4 Writestring
10.5 Writefloatasbytes
10.6 Writecharacterarray
10.7 Writeshortarray
10.8 Writecompressedintegerarray
10.9 Writecompressedindicearray
10.10 Writeunsignedinteger
10.11 Writeinteger
10.12 Writeintegerwithvariablebitnumber
10.13 Writeunsignedintegerwithvariablebitnumber
10.14 Writedoublewithvariablebitnumber
10.15 Writenumberofbitsthenunsignedinteger
10.16 Writecompressedentitytype
10.17 Writedouble
10.17.1 General
10.17.2 Data definition for double storage
10.18 Procedure For Writedouble
11 Tessellation Compression Support
11.1 General
11.2 Huffman Algorithm
11.3 Basis Pseudocode
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1 Scope
2 Normative references
3 Terms and definitions
4 Document syntax conventions
4.1 Conventions
4.2 Example Structure
5 PRC file concepts
5.1 The PRC file
5.2 Versioning
5.3 Unique identifiers
5.3.1 General
5.3.2 File structure
5.3.3 Base entities
5.3.4 Other systems
5.4 Current data values
5.5 Userdata
5.6 Units
5.7 Tolerances
5.8 Compressed file sections
5.9 Compressed geometry
5.10 Compressed tessellation
6 PRC file contents
6.1 Fileheader
6.1.1 General
6.2.1 General
6.3 PRC Schema
6.3.1 General
7 PRC basic types
7.1 General
7.2 Uncompressed types
7.2.4 UncompressedUniqueId
7.3 Compressed types
7.3.1 General
7.3.2 Atomic Types
7.3.2.1 Bits(n)
7.3.2.2 Boolean
7.3.2.3 Character
7.3.2.4 Integer
7.3.2.5 IntegerWithVariableBitNumber
7.3.2.6 UnsignedInteger
7.3.2.7 UnsignedIntegerWithVariableBitNumber
7.3.2.8 NumberOfBitsThenUnsignedInteger
7.3.2.9 Float
7.3.2.10 Double
7.3.2.11 DoubleWithVariableBitNumber
7.3.3 Compound Types
7.3.3.1 CompressedEntityType
7.3.3.2 CompressedUniqueId
7.3.3.3 String
7.3.3.4 CharacterArray
7.3.3.5 ShortArray
7.3.3.6 CompressedIntegerArray
7.3.3.7 CompressedIndiceArray
7.3.3.8 UserData
7.3.3.8.1 UserDataStream
7.3.3.8.2 UserDataSubSection
7.3.4 Parameter Range Types
7.3.4.1 Infinite_param
7.3.4.2 Interval
7.3.4.3 Parameterization
7.3.4.4 Domain
7.3.4.5 UVParameterization
7.3.5 Basic Geometry Types
7.3.5.1 Vector2d
7.3.5.2 Vector3d
7.3.5.3 BoundingBox
8 Base entities
8.1 General
8.2 Abstract root types
8.2.1 Entity types
8.2.3.1 General
8.2.3.2 ContentPRCBase
8.2.3.3 ContentPRCRefBase
8.2.3.3.1 AttributeData
8.2.3.3.2 Name
8.2.4.1 General
8.2.4.2 GraphicsContent
8.3 Structure and assembly
8.3.1 Entity types
8.3.3.1 General
8.3.3.2 ProductOccurrenceReference
8.3.5.1 General
8.3.5.2 FileStructureInternalGlobalData
8.3.5.2.1 General
8.3.5.2.2 MarkupSerializationHelper
8.3.5.2.2.1 General
8.3.5.2.3 FontKeysSameFont
8.3.5.2.4 RgbColor
8.3.8.1 General
8.3.9.1 General
8.3.9.2.1.1 General
8.3.9.2.1.2 BodyInformation
8.3.9.2.2.1 General
8.3.9.2.2.2 GraphicsInformation
8.3.9.2.2.3 ElementInformation
8.3.9.2.2.4 ElementGraphicsBehavior
8.3.10 PRC_TYPE_ASM_ProductOccurrence
8.3.10.1 General
8.3.10.2.1 General
8.3.10.3.1 General
8.3.12.1 General
8.4 Miscellaneous Data
8.4.1 Entity Types
8.4.3.1 General
8.4.6.1 General
8.4.8.1 General
8.4.8.3 ReferenceOnTopology Entities
8.4.10.1 General
8.5 Graphics
8.5.1 Entity types
8.5.5.1 General
8.5.6 PRC_TYPE_GRAPH_TextureApplication
8.6 Representation items
8.6.1 Entity types
8.6.3.1 General
8.6.3.2 RepresentationItemContent
8.7 Markup
8.7.1 Entity types
8.7.6 PRC_TYPE_MKP_AnnotationItem
8.8 Tessellation
8.8.1 Entity Types
8.8.5.1 General
8.8.5.2 PRC Tessellation Types
8.8.6.1 General
8.8.7.1 General
8.8.7.3 ColorData
8.8.8.1 General
8.8.8.2 Markup Flags
8.8.8.3 Markup Tessellation Behavior
8.8.8.4 Description of the first Markup code.
8.8.8.5 Description of the Second Markup Code.
8.8.8.6 Table of Entities
8.8.8.7 Block and Entity Modes
8.8.8.7.1 Description of a Block
8.8.8.7.2 Description of Modes Used in Block Definitions
8.8.8.7.3 Description of Entity Modes
8.8.8.8 Entity description
8.8.8.8.1 General
8.8.8.8.2 Polyline
8.8.8.8.3 Triangles
8.8.8.8.4 Quads
8.8.8.8.5 Polygon
8.8.8.8.6 Points
8.8.8.8.7 Face View Mode
8.8.8.8.8 Frame Draw Mode
8.8.8.8.9 Fixed Size Mode
8.8.8.8.10 Matrix Mode
8.8.8.8.11 Symbol
8.8.8.8.12 Color
8.8.8.8.13 Line Style Mode
8.8.8.8.14 Font
8.8.8.8.15 Text
8.8.8.8.16 Line Width Mode
8.8.8.8.17 Cylinder
8.8.8.8.18 Image
8.8.8.8.19 Pattern
8.8.9.1 Mesh Traversal
8.8.9.4 Mesh Normal Construction
8.9 Topology
8.9.1 Entity Types
8.9.2 Basetopology
8.9.11.1 General
8.9.11.2 CoedgeInLoop
8.9.12 PRC_TYPE_TOPO_Face
8.9.13 PRC_TYPE_TOPO_Shell
8.9.13.1 General
8.9.13.2 FacesInShell
8.9.14 PRC_TYPE_TOPO_Connex
8.9.15 PRC_TYPE_TOPO_Body
8.9.16 ContentBody
8.9.17 ContentWireEdge
8.9.18 PRC_TYPE_TOPO_SingleWireBody
8.9.19 PRC_TYPE_TOPO_BrepData
8.9.21.1 General
8.9.21.5.1 General
8.9.21.5.2 Enumeration of Compressed Entity Types
8.9.21.5.14.1 General
8.9.21.5.14.2 IsoNurbsTrimCurve
8.9.21.5.14.3 IsoNurbsTrimCrv
8.9.21.5.14.4 General
8.9.21.6.1 General
8.9.21.6.3.1 General
8.9.21.6.3.2 InteriorCompressedControlPoints
8.9.23 References
8.9.23.1 General
8.10 Curve
8.10.1 Entity Types
8.10.3.1 General
8.10.5.1 General
8.10.5.2 ControlPointsNurbsCrv
8.10.7 PRC_TYPE_CRV_Composite
8.10.11.1 General
8.10.13.1 General
8.10.17.1 General
8.11 Surface
8.11.1 Entity Types
8.11.3.1 General
8.11.7.1 General
8.11.20 PRC_TYPE_SURF_Transform
8.12 Mathematical Operator
8.12.1 Entity Types
8.12.8.1 General
8.12.8.2 CombinationFunctions
8.12.11 PRC_TYPE_MATH_FCT_3D_NonLinear
9 Schema Definition
9.1 General
9.2 Enumeration Of Schema Tokens
9.3 Schema Processing
9.3.1 EPRCSchema_Data_Boolean
9.3.2 EPRCSchema_Data_Double
9.3.3 EPRCSchema_Data_Character
9.3.4 EPRCSchema_Data_Unsigned_Integer
9.3.5 EPRCSchema_Data_Integer
9.3.6 EPRCSchema_Data_String
9.3.7 EPRCSchema_Parent_Type
9.3.8 EPRCSchema_ Vector_2D
9.3.9 EPRCSchema_ Vector_3D
9.3.10 EPRCSchema_Extent_1D
9.3.11 EPRCSchema_Extent_2D
9.3.12 EPRCSchema_Extent_3D
9.3.13 EPRCSchema_Ptr_Type
9.3.14 EPRCSchema_Ptr_Surface
9.3.15 EPRCSchema_Ptr_Curve
9.3.16 EPRCSchema_For
9.3.17 EPRCSchema_SimpleFor
9.3.18 EPRCSchema_If and EPRCSchema_Else
9.3.19 EPRCSchema_Block_Start
9.3.20 EPRCSchema_Block_Version
9.3.21 EPRCSchema_Block_End
9.3.22 EPRCSchema_Value_Declare
9.3.23 EPRCSchema_Value_Set
9.3.24 EPRCSchema_Value_DeclareAndSet
9.3.25 EPRCSchema_Value
9.3.26 EPRCSchema_Value_Constant
9.3.27 EPRCSchema_Value_For
9.3.28 EPRCSchema_Value_CurveIs3D
9.3.29 EPRCSchema_Operator_MULT
9.3.30 EPRCSchema_Operator_DIV
9.3.31 EPRCSchema_Operator_ADD
9.3.32 EPRCSchema_Operator_SUB
9.3.33 EPRCSchema_Operator_LT
9.3.34 EPRCSchema_Operator_LE
9.3.35 EPRCSchema_Operator_GT
9.3.36 EPRCSchema_Operator_GE
9.3.37 EPRCSchema_Operator_EQ
9.3.38 EPRCSchema_Operator_NEQ
9.4 Schema Requirements and Examples
9.4.1 General
9.4.2 An Existing Entity
9.4.3 Existing PRC_TYPE_CRV_Polyline
9.4.4 Add a Field to Existing Entity
9.4.5 Add a New Curve
9.4.6 Multiple Revisions to an Entity Type
10 I/O Algorithms
10.1 Getnumberofbitsusedtostoreunsignedinteger
10.2 Makeportable32bitsunsigned
10.3 Writebits
10.4 Writestring
10.5 Writefloatasbytes
10.6 Writecharacterarray
10.7 Writeshortarray
10.8 Writecompressedintegerarray
10.9 Writecompressedindicearray
10.10 Writeunsignedinteger
10.11 Writeinteger
10.12 Writeintegerwithvariablebitnumber
10.13 Writeunsignedintegerwithvariablebitnumber
10.14 Writedoublewithvariablebitnumber
10.15 Writenumberofbitsthenunsignedinteger
10.16 Writecompressedentitytype
10.17 Writedouble
10.17.1 General
10.17.2 Data definition for double storage
10.18 Procedure For Writedouble
11 Tessellation Compression Support
11.1 General
11.2 Huffman Algorithm
11.3 Basis Pseudocode