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|  MIL-D-89009
APPENDIX
30.4 BROWSE library coverages. The BROWSE map for the DCW
database contains eight coverages. These coverages and the
feature and primitive tables comprising the BROWSE library are
listed in TABLE 133. A brief description is provided for each
coverage. The coverage description is followed by value
description tables. The feature tables within each coverage are
ordered by area, line, and point when present. The value
description tables define the attribute values for that coverage
and the attribute description. The feature tables provide the
field definition and field size required to store the attribute
data.
TABLE 133.
BROWSE library feature and primitive tables by
coverage.
Theme
Thematic layer
Coverage
Feature
Primitive
Sections
number
name
table(s)
table(s)
1
ONC Compilation
CO
COAREA.AFT
FAC,RNG
30.4.1
Date
2
Data Volume
DV
DVAREA.AFT
FAC,RNG
30.4.2
3
Drainage
DN
DNAREA.AFT
FAC,RNG
30.4.3
DNLINE.LFT
EDG
4
Geographic
GR
GRAREA.AFT
FAC,RNG
30.4.4
Regions
GRLINE.LFT
EDG
GRTEXT.TFT
TXT
5
Hypsographic Data
DA
DAAREA.AFT
FAC,RNG
30.4.5
Availability
6
ONC Index
IN
INAREA.AFT
FAC,RNG
30.4.6
INTEXT.TFT
TXT
7
Political/oceans
PO
POAREA.AFT
FAC,RNG
30.4.7
POLINE.LFT
EDG
POTEXT.TFT
TXT
8
Populated Places
PP
PPPOINT.PFT
END
30.4.8
PPTEXT.TFT
TXT
30.4.1 Compilation date coverage.
a. Coverage contents. This coverage contains a code
representing the compilation dates of the ONC sheets.
Attribute values are as described in the integer value
description table (TABLE 134).
b. COAREA.AFT attribute definitions. TABLE 135 describes
the attribution for the compilation date area feature
table (COAREA.AFT).
170
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