Projection – tds localization mode – Spectra Precision Survey Pro v4.5 Ranger Reference Manual User Manual

Page 214

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Survey Pro Reference Manual

R-206

Projection – TDS Localization Mode

The Projection screen is described below for when the horizontal

projection mode is set to TDS Localization.

Use this setting when you want ground level
coordinates, and there is no projection and no

datum to define a geodetic coordinate

transformation. In this mode, a default map
projection is created with your first RTK base

setup. You collect GPS measurement on points

with known local coordinates, and solve a
Localization adjustment. The Localization

adjustment will translate, rotate, and scale the

default map projection’s (y,x) into your local
coordinates (N,E).

Show Details… : opens the Projection Details screen, where the

complete details of the localization solution, reference map projection,

and Geoid model are displayed.

Reset Origin… : opens the Localization Set Zone screen (Page R-207),

where you can enter the parameters of the intermediate mapping

plane to be used for the localization adjustment.

Note: This step is usually not necessary, since the intermediate

mapping plane is automatically set up by default using the location of

the first RTK base setup in this job. However, if the first base is far
away (more than 10km), or it is considerably higher or lower (+/-

200m) you may wish to enter the parameters of the intermediate
mapping plane.

Solve Localization… : opens the Solve Localization wizard (Page R-

210), where control points can be selected and the horizontal and
vertical localization are solved.

Switch to Mapping Plane… : switches the horizontal projection mode

from Ground – TDS Localization to Mapping Plane (Page R-218).

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