Working with Reference Line
215
30
Working with Reference Line
30.1
An Overview of the Program
Description
Reference Line is a program which can be used for the following tasks:
• Measuring to a line/arc where the coordinates of a target point can be calculated from
its position relative to the defined reference line/arc.
• Staking to a line/arc where the position of a target point is known and instructions to
locate the point are given relative to the reference line/arc.
Point types
Reference lines/arcs can be created from points stored as:
• WGS 1984 geodetic
• Local grid
Points must have full coordinate triplets. Heights and positions are always considered.
Terms
Defining a reference
line/arc
A reference line is defined by two known points.
A reference arc is defined by three known points.
Term
Description of Term
Reference point
The term reference point is used in this chapter to refer to the point
from which the perpendicular offset from the reference line/arc, to
the target point, is measured.
Target point
The design point.
•
For measuring to a reference line, this is the point with the coor-
dinates of the current position and the designed or calculated
height.
•
For staking to a reference line, this is the point to be staked.
Measured point
The current position.
Содержание GPS900 Series
Страница 1: ...Leica GPS900 Technical Reference Manual Version 1 0 English...
Страница 9: ...Table of Contents GPS900 9 Appendix E Cables 276 Index 278...
Страница 10: ...PART 1 The System GPS900 10 PART 1 The System...
Страница 106: ...Configuring the Radio Channel GPS900 106 Actual Freq The actual frequency of the radio Field Description of Field...
Страница 165: ...PART 2 The Applications GPS900 165 PART 2 The Applications...
Страница 275: ...Pin Assignments and Sockets GPS900 275 Sockets 8 pin LEMO 1 LEMO 1 8 pin LEMO HMI 1B 308 CLNP...