MIL-STD-2301 Computer Graphics Metafile Cgm Implementation Standard For The National Imagery Transmission Format StandardThis standard establishes the requirements necessary to implement Computer Graphics Metafiles CGM used for the representation of symbol graphics in the National Imagery Transmission Format Standard NITFS.

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MIL-STD-2301A CONTENTS

TABLE                                                                                                                                                                    PAGE

5.2.2.1.3               Length of parameter strings required for input for the Begin Metafile, Begin Picture,

and Metafile Description elements ............................................................................................ 43

5.2.2.1.4               Length of parameter strings required for input for the Font List element................................... 43

5.2.2.1.5               Number of Begin Picture elements and Begin Picture Body elements required for input............ 44

5.2.2.1.6               End Picture element required for input ..................................................................................... 44

5.2.2.1.7               VDC Extent element required for input .................................................................................... 44

5.2.2.1.8               Edge Width Specification Mode element for input .................................................................... 44

5.2.2.1.9               Line Width Specification Mode element for input ..................................................................... 44

5.2.2.1.10            Color Selection Mode element required for input ...................................................................... 44

5.2.2.1.11            Character Orientation element required for input...................................................................... 44

5.2.2.1.12            Font List number required for input .......................................................................................... 44

5.2.2.1.13            Font names for input................................................................................................................. 44

5.2.2.1.14            Text Font Index required for input............................................................................................ 44

5.2.2.1.15            Edge widths for input ............................................................................................................... 44

5.2.2.1.16            Line widths for input ................................................................................................................ 44

5.2.2.1.17            Edge types required for input .................................................................................................... 44

5.2.2.1.18            Line types required for input..................................................................................................... 44

5.2.2.1.19            Interior styles required for input................................................................................................ 44

5.2.2.1.20            Text element requirements for input ......................................................................................... 44

5.2.2.1.21            Character Height requirements for input................................................................................... 45

5.2.2.1.22            Polyline element requirements for input.................................................................................... 45

5.2.2.1.23            Polygon element requirements for input.................................................................................... 45

5.2.2.1.24            Input and interpret in sequential order ...................................................................................... 45

5.2.2.1.25            Input Text element.................................................................................................................... 45

5.2.2.1.26            Input Polygon and Polygon Set element .................................................................................... 45

5.2.2.1.27            Input Ellipse element................................................................................................................ 45

5.2.2.1.28            Input Polyline element .............................................................................................................. 45

5.2.2.1.29            Input Elliptical Arc element...................................................................................................... 46

5.2.2.1.30            Input Elliptical Closed Arc element .......................................................................................... 46

5.2.2.1.31            Input Rectangle element ........................................................................................................... 46

5.2.2.1.32            Input Circle element ................................................................................................................. 46

5.2.2.1.33            Input Circular Arc Center element............................................................................................ 46

5.2.2.1.34            Input Circular Arc Center Close element .................................................................................. 47

5.2.2.1.35            Auxiliary Color for input .......................................................................................................... 47

5.2.2.1.36            Transparency for input.............................................................................................................. 47

5.2.2.1.37            CGM element defaults for input................................................................................................ 47

5.2.2.1.38            Default colors for unsupported text ........................................................................................... 48

5.2.2.1.39            CGM element substitution ........................................................................................................ 48

5.2.2.1.40            CGM error messages ................................................................................................................ 48

5.2.2.2                  CGM element functional output requirements........................................................................... 48

5.2.2.2.1               CGM output required elements ................................................................................................. 48

5.2.2.2.2               Metafile Description element contents required for output ........................................................ 48

5.2.2.2.3               Length of parameter strings required for output for the Begin Metafile, Begin Picture,

and Metafile Description elements .......................................................................................... 48

5.2.2.2.4               Length of parameter strings required for output for the Font List element ................................. 48

5.2.2.2.5               Number of Begin Picture elements and Begin Picture Body elements required for output .......... 48

5.2.2.2.6               End Picture element required for output.................................................................................... 49

5.2.2.2.7               Edge Width Specification Mode element for output .................................................................. 49

5.2.2.2.8               Line Width Specification Mode element for output ................................................................... 49

5.2.2.2.9               Color Selection Mode element required for output .................................................................... 49

5.2.2.2.10            Character Orientation element required for output .................................................................... 49

5.2.2.2.11            Font List number required for output ........................................................................................ 49

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