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3 : Spatial Data Organization
Spatial Data Organization Information -- the mechanism used to represent spatial information in the data set. Type: compound Short Name: spdoinfoSpatial_Data_Organization_Information = 0{Indirect_Spatial_Reference}1 + 0{Direct_Spatial_Reference_Method + ( [Point_and_Vector_Object_Information | Raster_Object_Information] )}1Point_and_Vector_Object_Information = [1{SDTS_Terms_Description}n | VPF_Terms_Description]SDTS_Terms_Description = SDTS_Point_and_Vector_Object_Type + (Point_and_Vector_Object_Count)VPF_Terms_Description = VPF_Topology_Level + 1{VPF_Point_and_Vector_Object_Information}nVPF_Point_and_Vector_Object_Information = VPF_Point_and_Vector_Object_Type + (Point_and_Vector_Object_Count)Raster_Object_Information = Raster_Object_Type + (Row_Count + Column_Count + 0{Vertical_Count}1 )3.1 Indirect Spatial Reference -- name of types of geographic features, addressing schemes, or other means through which locations are referenced in the data set. Type: text Domain: free text Short Name: indspref3.2 Direct Spatial Reference Method -- the system of objects used to represent space in the data set. Type: text Domain: "Point" "Vector" "Raster" Short Name: direct3.3 Point and Vector Object Information -- the types and numbers of vector or nongridded point spatial objects in the data set. Type: compound Short Name: ptvctinf- 3.3.1 SDTS Terms Description -- point and vector object information using the terminology and concepts from "Spatial Data Concepts," which is Chapter 2 of Part 1 in Department of Commerce, 1992, Spatial Data Transfer Standard (SDTS) (Federal Information Processing Standard 173): Washington, Department of Commerce, National Institute of Standards and Technology. (Note that this reference to the SDTS is used ONLY to provide a set of terminology for the point and vector objects.)
- Type: compound
- Short Name: sdtsterm
- 3.3.1.1 SDTS Point and Vector Object Type -- name of point and vector spatial objects used to locate zero-, one-, and two-dimensional spatial locations in the data set.
- Type: text
- Domain: (The domain is from "Spatial Data Concepts," which is Chapter 2 of Part 1 in Department of Commerce, 1992, Spatial Data Transfer Standard (SDTS) (Federal Information Processing Standard 173): Washington, Department of Commerce, National Institute of Standards and Technology):
- "Point" "Entity point" "Label point" "Area point" "Node, planar graph"
- "Node, network" "String" "Link" "Complete chain" "Area chain"
- "Network chain, planar graph" "Network chain, nonplanar graph"
- "Circular arc, three point center" "Elliptical arc" "Uniform B-spline"
- "Piecewise Bezier" "Ring with mixed composition"
- "Ring composed of strings" "Ring composed of chains"
- "Ring composed of arcs" "G-polygon" "GT-polygon composed of rings"
- "GT-polygon composed of chains"
- "Universe polygon composed of rings"
- "Universe polygon composed of chains"
- "Void polygon composed of rings" "Void polygon composed of chains"
- Short Name: sdtstype
- 3.3.1.2 Point and Vector Object Count -- the total number of the point or vector object type occurring in the data set.
- Type: integer
- Domain: Point and Vector Object Count > 0
- Short Name: ptvctcnt
- 3.3.2 VPF Terms Description -- point and vector object information using the terminology and concepts from Department of Defense, 1992, Vector Product Format (MIL-STD-600006): Philadelphia, Department of Defense, Defense Printing Service Detachment Office. (Note that this reference to the VPF is used ONLY to provide a set of terminology for the point and vector objects.)
- Type: compound
- Short Name: vpfterm
- 3.3.2.1 VPF Topology Level -- the completeness of the topology carried by the data set. The levels of completeness are defined in Department of Defense, 1992, Vector Product Format (MIL-STD-600006): Philadelphia, Department of Defense, Defense Printing Service Detachment Office.
- Type: integer
- Domain: 0 <= VPF Topology Level <= 3
- Short Name: vpflevel
- 3.3.2.2 VPF Point and Vector Object Information -- information about VPF point and vector objects
- Type: compound
- Short Name: vpfinfo
- 3.3.2.2.1 VPF Point and Vector Object Type -- name of point and vector spatial objects used to locate zero-, one-, and two-dimensional spatial locations in the data set.
- Type: text
- Domain: (The domain is from Department of Defense, 1992, Vector Product Format (MIL-STD-600006): Philadelphia, Department of Defense, Defense Printing Service Detachment Office): "Node" "Edge" "Face" "Text"
- Short Name: vpftype
3.4 Raster Object Information -- the types and numbers of raster spatial objects in the data set. Type: compound Short Name: rastinfo- 3.4.1 Raster Object Type -- raster spatial objects used to locate zero-, two-, or three-dimensional locations in the data set.
- Type: text
- Domain: (With the exception of "voxel", the domain is from "Spatial Data Concepts," which is chapter 2 of part 1 in Department of Commerce, 1992, Spatial Data Transfer Standard (SDTS) (Federal Information Processing Standard 173): Washington, Department of Commerce, National Institute of Standards and Technology): "Point" "Pixel" "Grid Cell" "Voxel"
- Short Name: rasttype
- 3.4.2 Row Count -- the maximum number of raster objects along the ordinate (y) axis. For use with rectangular raster objects.
- Type: Integer
- Domain: Row Count > 0
- Short Name: rowcount
- 3.4.3 Column Count -- the maximum number of raster objects along the abscissa (x) axis. For use with rectangular raster objects.
- Type: Integer
- Domain: Column Count > 0
- Short Name: colcount
- 3.4.4 Vertical Count -- the maximum number of raster objects along the vertical (z) axis. For use with rectangular volumetric raster objects (voxels).
- Type: Integer
- Domain: Depth Count > 0
- Short Name: vrtcount
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