CGM*PIP: Seismic Extensions

Section 4 - PIP/I and PIP/II Metafile Requirements

4.1 Metafile conformance definition
    4.1.1 Conforming metafile
4.2 General metafile requirements
    4.2.1 Encoding format
    4.2.2 Identifying information
    4.2.3 Text string length and contents
    4.2.4 Indexed colour definition - all or none
    4.2.5 Direct colour definition - all or none
    4.2.6 Number of indexed colours
    4.2.7 Number of direct colours
    4.2.8 Number of pictures
    4.2.9 Number of metafiles
    4.2.10 Empty pictures
    4.2.11 Partitioning of elements
    4.2.12 Physical file structure
    4.2.13 File size
    4.2.14 Required but unused parameters
4.3 Specific metafile element constraints
    4.3.1 Notation
    4.3.2 Delimiter elements
    4.3.3 Metafile descriptor elements
    4.3.4 Picture Descriptor elements
    4.3.5 Control elements
    4.3.6 Graphical primitives
    4.3.7 Attribute elements
    4.3.8 Segment elements
    4.3.9 ESCAPE elements
        4.3.9.1 Set Typeface Weight
        4.3.9.2 Transparent Cell Colour
        4.3.9.3 Colour Blending
    4.3.10 External elements
        4.3.10.1 Named Reference Point
    4.3.11 Defaults
        4.3.11.1 Default values of settable parameters
        4.3.11.2 Bundle table default values
    4.3.12 Specification of semantic ambiguities
        4.3.12.1 Drawing priority and mode
        4.3.12.2 View surface clearing
        4.3.12.3 Clipping
        4.3.12.4 Edge centring
    4.3.13 Font specifications