Topcon GPT-2009 Marine Instruments User Manual


 
6 SPECIAL MODE (Menu Mode)
6-11
6.1.4 Area Calculation
This mode calculate the area of a closed gure.
There are two area calculation methods as follows.
1) Area Calculation from Coordinate data le
2) Area Calculation from Measured data
Area is not calculated correctly if enclosed lines cross each other.
It is impossible to calculate what a mix of coordinate le data and measured data.
If the coordinate data le does not exist, the area calculation from measured data is done
automatically.
The numbers of points used to calculate are not limited.
1) Area Calculation from Coordinate Data File
Operating procedure Operation Display
1 After pressing the [MENU] key, press the [F4](P
)
key to get the menu on page 2/3.
[MENU]
[F4]
2 Press the [F1] key.
[F1]
3 Press the [F4](P
) key to get the PROGRAMS
menu on page 2/2.
[F4]
4 Press the [F1](AREA) key.
[F1]
5 Press the [F1](FILE DATA) key.
[F1]
6 Press the [F1](INPUT) key and enter the File
Name.
Initial display will be shown.
[F1]
Enter FN
[F4]
7 Press the [F4](NEXT) key. *1),2)
The top of the le data (DATA-01) will be set and
the second point number will be shown.
[F4]
8 Repeat pressing the [F4](NEXT) key to set
required number of points.
[F4]
MENU 2/3
F1:PROGRAMS
F2:GRID FACTOR
F3:ILLUMINATION P
PROGRAMS 1/2
F1:REM
F2:MLM
F3:Z COORD. P
PROGRAMS 2/2
F1:AREA
F2:POINT TO LINE
P
AREA
F1:FILE DATA
F2:MEASUREMENT
SELECT A FILE
FN:_________
INPUT LIST ––– ENTER
AREA 0000
m.sq
NEXT# :DATA-01
PT# LIST UNIT NEXT
AREA 0001
m.sq
NEXT# :DATA-02
PT# LIST UNIT NEXT