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International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, Vol XXXV. Part B2. Istanbul 2004
The Key Features
Connection to TPS Sensors
All of the powerful tools associated with the TPS instrument
and the use of them (see Fig. 9) are also available in Leica
MobileMatriX; such tools include Controlling and Setting up
the TPS with MobileMatriX, ATR and Power Search support,
steering the TPS instrument using a virtual joystick, tracking a
direction in the map, measuring eccentrics and much more.
TPS Status - MobileMatrix
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Figure 9: Leica TPS Product Familiarity
Connection to GPS Sensors
When using GPS a window displays status information from
the GPS sensor (see Fig. 10). The current location of the GPS
can be optionally displayed on the Map, and hence provides
real-time location information relative to mapped features,
displaying the status information coming from the sensor,
setting up the ;
GPS device
within
MobileMatriX.
Additional 5 2] (S) Stopped Show all T
information
like Float or
Fixed solution
Is stored with
the computed
coordinates and
many other tools exist.
GPSQu
HDOP
SatUsed
Figure 10: Leica GPS Product Familiarity
TPS Computations in Leica MobileMatriX
All measurements taken in the field are automatically
displayed in the Survey Explorer and immediately represented
in the map. A number of different computation methods for
processing the measurements are available:
® Tacheometry
® Resection
® Free Station
® Surveying Traverse (such as open and closed Traverse)
® Least Squares Adjustment
Leica MobileMatriX also provides COGO computations
With a number of COGO computations, CAD functionality is
available in the field:
77
® Basic computations, these need one survey point as an
input: XY-Point, Delta XY, Direction/Distance and
Deflection Angle.
® Curve computations, these two computations are used to
create circles with different parameters as input: Fillet
Curve and Circular Curve.
® Intersection — computations, all combinations of
intersections between directions and distances are
available; they all need two points as input
= Station and Offset computation, including XML reporting:
The station and offset computation defines a series of
points using a sequence of distances and orthogonal
offsets from a line between two points or along a circular
curve segment.
* COGO Traverse (Bearing or Angle Right traverse), which
includes an adjustment and XML reporting: a COGO
traverse allows a sequence of Direction distance, and
circular curve computations. It can also define a sequence
of deflection-angle COGO computations.
Stakeout
Use the Stakeout to transfer the design into reality. Leica
MobileMatriX also includes an easy-to-use, interactive
stakeout with visual feedback. Different ways of performing
the Stakeout task are available in Leica MobileMatriX. The
UI provides dynamic circles, which always gets adapted to the
according situation. Stakeout supports both GPS and TPS
instruments and creates a Report to document the work
conducted in the field.
Survey Data Management — More Than One Coordinate
The accuracy of a coordinate can vary from a few millimeters
to meters depending on the quality of measurements, the
standard deviations of reference points and the accuracy of
surveying instruments used to collect data. Leica
MobileMatriX stores all computed and imported coordinates
with their quality information and history in the Geodatabase
and allows the user to decide which coordinate to use. This
eliminates losing old information and permits continued
navigation through old computations.
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Figure 11: More than one coordinate
Computation Network Analyst
A key advantage of Leica MobileMatriX is the dependency it
creates and stores between computations, points and
measurements (see Fig. 12), which allows the user to easily
trace the computation network. For example, imagine you
realized that the coordinates typed in for datum point A are
incorrect? Without Leica MobileMatriX you must delete and
re-create all the computations, which are related to point A.
While using Leica MobileMatriX this work can be performed
automatically and all Survey Points will move to their new
