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| MIL-D-89009
APPENDIX
TABLE 85. Hypsography point feature table (HYPOINT.PFT).
{Header length};\
Hypsographic Points;HYPOINT.DOC;\
ID=I,1,P,Row Identifier,-,-,:\
HYPTTYPE= I,1,N,Type of Spot Elevation,INT.VDT,-,:\
HYPTVAL= I,1,N,Spot Elevation Value,-,-,:\
TILE_ID= S,1,F,Tile Reference Identifier,-,HYPOINT.PTI,:\
END_ID=
I,1,F,Entity Node Primitive Foreign Key,-,-,:;
1
1
7460
189
1
2
1
11499
298
2
:
:
:
:
:
n
n
n
n
n
HYPTTYPE
ONC Codes
1 = Spot elevation
405.1
405.4 Highest on chart
2
=
Spot elevation, approximate
405.2
elevation or approximate location1
405.3
3
=
New point created to define locations
for tower elevations2 . Elevation point
is coincident with the feature, but
remains in a separate coverage (i.e.,
is not integrated).
4
=
Hydrographic elevation point
HYPTVAL
This attribute contains the specific
elevation value of the point
feature expressed in feet above mean
sea level (e.g., a spot elevation
with a value of 7550 represents that
value in feet above MSL) (405.01
405.04). The code 99999 is used for
points without elevation values.
Notes
1 Includes elevations for which there is no point.
2
Elevation is at base of the tower.
112
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