FARO
®
Laser Scanner Manual
90
Chapter 7: Controller Software
To see the currently measured altitude on this screen, the use of the altimeter
must be switched ON.
For scan registration it is sufficient to know the difference in altitude of the
various scanner positions. Before starting your scan project, you should pick a
position of your scanning site which you would like to use as the reference for
the altitude measurements. Move the scanner to this reference position, enter
any height you would like to use for this position and reset the altimeter to this
reference height by tapping on the Sync Reference Height button. All further
altimeter measurements will then be done on the basis of this reference
height.
If you want comparable height measurements across different projects, you
can sync the altimeter with a real altitude. For this, pick a reference position of
your scanning site where you know the approximate altitude above sea level.
You can get this value from GPS, a topographic map, or from Google Earth.
As the altimeter determines the altitude based on the measurement of the
atmospheric pressure, changes in the air pressure caused by changing
weather conditions have an effect on the resulting altitude. To have precise
altitude measurements, you should therefore check the reference altitude from
time to time, at least at the beginning of each project day or if you experience
changes in the weather. To do this, move the scanner to your reference
position again and compare the altitude reading with the reference height. If
there is a difference, sync the altimeter with the reference height again.
Scan Localizer
The corresponding settings are also available under
Parameters >
Sensors > Scan Localizer.
NOTE: When Scan Localizer option is enabled, the GPS option
must be disabled and vice versa.
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