Spectra-precision FAST Survey Reference Manual Uživatelský manuál stáhnout pdf (Strana 211)

100

101

p209

Select

, and the map screen will display showing circles radiating from the first and second selected base points.

Lines leading from both base points to the two possible intersections of the circles are also shown.

Pressing

Enter

Store

will display the prompt "Pick a Solution". Select the desired calculated solution. To select the

point, simply pick it from the screen. Picking near the desired solution is sufficient. The program will select the nearest

solution position. Pressing

Enter

again will accept the second possible solution for the intersection. If there was no

solution for the input data, FAST Survey will display "No Valid Solution".

Point Projection

This command allows you to calculate the station and offset of any entered or surveyed point relative to a known

centerline or baseline. Note that the Station Store command will calculate a point at a given station and offset. Point

Projection does just the reverse — it calculates a station and offset for any given point. It also will calculate the

“Intersect”, or the projection of that offset point on the baseline. This baseline “intersect”, or perpendicular projection

point, can be staked out and stored. The application of the routine is shown below.

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