Spectra-precision FAST Survey Reference Manual Instrukcja Użytkownika Pobierz pdf (Strona 175)

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

Vertical Offset

: This is used in conjunction with grid, triangulation, roading and section files. It allows the user to

vertically offset the surface (as defined in the file) by the amount specified in the box.



Use Centerline for Station-Offset

: This allows the user to specify a horizontal alignment file (.cl file) for

reporting station and offset of your current location to the reference alignment. With total stations this is reported

whenever a shot is taken. Using GPS or robotic total stations, with tracking on, your current position is updated in

real time as the rover or prism is moved. This option is available with Grid, Triangulation and Elevation types of

surface models. (A centerline is required for Road Design and Section-type surfaces).



Stakeout Grid Pattern (GPS Only)

:The first prompt asks if you want to use the last stakeout pattern. To make a

new pattern, you specify, in effect, the lower left corner (“left side” option) or the lower right corner (“right side”

option) of a rectangle, and specify the starting point, direction point. Shown in the figure below is a 10x10 layout at

50’ interval (10 rows and columns are added to the starting point, producing 11x11 grid points). The number of

cells in the grid ranges from 1x1 to 20x20, and are laid out in a grid beginning at the starting point going towards

the direction point.

The program will then show the grid point nearest to your GPS position.

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