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21. SURFACE AREA CALCULATION
7.
Repeat steps 4 to 6 until all points
have been measured. Points on
an enclosed area are observed in
a clockwise or counterclockwise
direction.
For example, the area specified by
entering point names 1, 2, 3, 4, 5
or 5, 4, 3, 2, 1 implies the same
shape.
After all known points necessary to
calculate the surface area have
been observed, [CALC] is
displayed.
8.
Press [CALC] to display the
calculated area.
PT: number of set points
SArea: slope area
HArea: horizontal area
9.
Press [REC] in the screen of step
8 to record results and return to
<Menu>.
Press [OK] to return to <Menu>
without recording results.
PROCEDURE Surface area calculation by reading in the
points’ coordinates
1.
In the second OBS mode screen,
press [MENU], then select "Area
calc.".
2.
Enter the instrument station data.
3.
Select "Area calculation" in <Area
calculation>.
OBS
CALC
Pt_01
Pt_02
Pt_03
Pt_04
Pt_05
PT 5
SArea
468.064m
2
0.0468ha
431.055m
2
0.0431ha
HArea
REC
OK