A description of the method of referencing and the mechanism used to represent graphic information in a data set. Include the type of storage technique used and the number of items in the data set.
1st Indicator
Undefined. The 1st indicator position is undefined and contains a blank ( ).
Undefined
2nd Indicator
Undefined. The 2nd indicator position is undefined and contains a blank ( ).
Undefined
Subfields
‡a Direct reference method
The system of objects used to directly represent space in the data set.
352
Vector.
‡b Object type
The specific type of point vector or raster graphic objects used to locate geometric locations in a data set.
352
Point : ‡b Entity point.
352
Vector : ‡b Network chain, non-planar graph.
352
Raster : ‡b pixel.
‡c Object count
The number of each point or vector object type used in a data set.
352
Vector : ‡b GT-polygon composed of chains ‡c (70).
‡d Row count
The maximum number of raster objects along the coordinate (y) axis. Use row count with rectangular raster objects.
‡e Column count
The maximum number of raster objects along the abscissa (x) axis. Use column count with rectangular raster objects.
‡f Vertical count
The maximum number of raster objects along the vertical (z) axis. Use vertical count with rectangular volumetric raster objects (voxels).
‡g VPF topology level
The level of completeness of the topology carried by the data set. Use levels defined in Department of Defense 1992, Vector Product Format (MIL-STD-600006; Philadelphia PA/Department of Defense/Defense Printing/Service Detachment Office).
‡i Indirect reference description
A description of the graphic features addressing schemes or other means through which locations are referenced.
352
Vector :‡i 100 year floodplain boundary, 500 year floodplain boundary.
‡q Format of digital image
A description of the method of referencing and the mechanism used to represent graphic information in a data set. Include the type of storage technique used and the number of items in the data set.