DOD MIL-T-89304-1990 TACTICAL TERRAIN ANALYSIS DATA BASE (TTADB)《战术地物分析数据库(TTADB)》.pdf
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1、MIL-T-89304 MC m 999990b 0491888 T E MIL-T-89304 30 NOVEMBER 1990 SUPERSEDING PS/3JB/010 January 1982 MILITARY SPECIFICATIONS TACTICAL TERRAIN ANALYSIS DATA BASE (TTADB) SCAIJZ 1:50,000 This specification is approved for use by all Departirrents and Agencies of the Department of Defense. 1. SCOPE a.
2、 This specification establishes the first edition military specifi- cation requirements for the Defense Mapping Agencys (DMA) Tactical Terrain Analysis Data Base (TTADB) . b. The DMA Terrain Analysis Program is a dynamic program; consequently, this manual may not identify all necessary specification
3、s encountered in the production of terrain analysis data bases. Supplementary instructions will need to be generated in areas that require modification of these specifications. 1.2 Purpose. Conformance to these specifications will assure uniformity of treatment among all mapping and charting element
4、s engaged in a coordinated production and maintenance program for this product. 1.3 Securitv. a. I 1.3.1 Security classification . The securityclassification ofthe products generated by the use of these specifications will be the lowest category practicable. When it is necessary to assign a security
5、 classification to the product, it will be accomplished in accordance with established national security procedures. Beneficial comments (recommendations, additions, deletions) andanypertinent data which may be of use in ,improving this document should be addressed to: Director, Defense Mapping Agen
6、cy, ATTN: PR, 8613 Lee Highway, Fairfax, VA. 22031-2137 by using the Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. AMSC N/A AREA MCGT . Approved for public release; distribution unlimited. Provided by IHSNot for ResaleNo reproduction
7、 or networking permitted without license from IHS-,-,-MIL-T-9304 IC W 999990b 049L9 . _ 1 E MIL-T-89304 1.4 a. These specifications apply to all TTADBs produced by the Defense Mapping Agency and those produced for the Defense Mapping Agency as a result of either government contract or unit tasking.
8、They are not applicable to rapid- response products. b. For rapid-response products, the lineweights, length of dashes and spaces, and other dimensions shown in the specifications column of Appendix B - Symbols may be approximated. Lines may be delineated by fine, medium, or heavy lines and the over
9、lays freehand lettered. 2. APPLICABLE DOCUMENTS 2.1 Government. . The following specifi- cations, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those listed in the current Department of Defense Inde
10、x of Specifications and Standards (DODISS) and the supplement thereto, cited in the solicitation (see 6.10). *I 2.1.1 SDecifications. standards. SPECIFICATIONS MILITARY MIL-T-89301 - 1 : 50,000 Scale Topographic Maps of Foreign Areas STANDARDS MILIPARY MIL-STD-600002 - MC (2) with marginal data as p
11、rescribed in paragraph 3.11, Marginal Information; (3) with legends as shown in Appendix D; and (4) with symbology as illustrated in Appendix B. b. The legends for each thematic overlay (See Appendix D, Legends Appendix) will normally be the same for all sheets in the project and must include all ca
12、tegories foundintheproject area whether or not they appear on an individual sheet. . Individual sheet (basemap) coverage limits 3.7.2 -limits and insets shall be as defined by the Area Requirements and Product Status (ARAPS) file. In turn, the TTADB overlays shall be positionedto the corner geograph
13、ic coordinates of the base map to which they are keyed. Insets on the base map shall be shown in the same way and in the same position on the TTADB overlays. The additional corner ticks shall be shown as per the base map. I 3.7.3 Neatlines . Cartographic detail within the TTADB overlays shall not ex
14、tend beyond the neatline of the base map to which they are keyed. Features which cross the neatline shall be truncated exactly at the neatline, with the remaining portion of the feature portrayed on the adjoining sheet. 3.7.4 Wtrah . All TTADB overlays, both initial and final, shall be punch registe
15、red using the Universal Punch Registration System. 3.8 Size and. 3.8.1 Map sheet sizes . Refer to Appendix C, Size limits for 1:50,000 Map Sheet, for overall dimensions of map sheets. 3.8.2 Unit of measure. a. The Unit of Measure for the TTADB is Metric; however, both English and Metric Units are pr
16、ovided in Appendices A, B, C and I of this specification. b. Specification measurements are normally given at reproduction scale, i.e. , 1:50,000. 3.8.3 Minimwm sizes a. The minimum size polygon shown on most of the overlays shall have an areal extent of at least 20 square millimeters at map scale (
17、50,000 square meters groundarea) withaminimumwidthgreaterthanorequaltolmm (50mgrounddistance). The smallest polygons shown are on the Surface Drainage Overlay, where open water and islands have an areal extent of at least 2 square millimeters (5000 square meters ground area) with a minimum width of
18、at least lmm (50m ground distance). For longnarrowpolygons, straight or curved, the length is the centerlinedistance measured from one end to the other. (See Figure i). b. The minimum lengths shown vary with different thematic overlays, but in general range from no minimum length to 5mm (250m ground
19、 distance) . Normally, all features less than 2mm (100m ground distance) in length are treated as point features, whereas those equal to or greater than 2mm (100m ground distance) are considered linear features. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license f
20、rom IHS-,-,-MIL-T-89304 MC 9999906 0491893 3 2mm 0 lmm MIL-T-89304 5mm Area lmm t-4mm-l a. Minimum Size b. Minimum Size Polygons for the other Polygon for Surface Thematic Overlays Drainage Overlay II FIGURE 1. sot to scale). 3.8.4 Linework. a. All interior informationmust fall within the neatlines.
21、 All linework that intersects the neatline or other areal features must terminate precisely at the neatline or other areal feature. Gaps and tails at line intersections are not acceptable. b. Lines used to outline areal features on the Surface Configuration, Vegetation and Surface Materials Overlays
22、 shall have a lineweight of 0.30mm (0.012 inches). c. Most of the linework, symbols, data information holders, etc., on the Surface Drainage, Transportation, and Obstacles Overlays shall also have a lineweight of 0.30mm (0.012 inches). Leader lines are the major exception; all leader lines (no matte
23、r on which overlay they appear) shall have a lineweight of 0.2Omm (0.008 inches). Refer to paragraph 3.22 for additional information. 3.9 Projection . TTADB overlays shall use the same projection as the base map or sheet to which they are keyed. 3.10 Reference system. The TTADB does not require the
24、application of any The grid as positioned on the base map is used when needed. grid reference system. 3.11 min Data. . The margin space available will vary in size (width) 3.11.1 positioning depending upon the size of the geographic area encompassed by the base map. However, all marginal data contai
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