Reference Arc; Overview; Defining The Reference Arc - Leica FlexLine plus User Manual

7.6
7.6.1
Description
Access
Next step
7.6.2
Description

Access

Reference Arc -

Measure to start
point
FlexLine plus, Programs
Reference Arc

Overview

The Reference Arc program allows the user to define a reference arc and then
complete the following tasks with respect to the arc:
• Line & offset
• Stakeout (Point, Arc, Chord, Angle)
1. Select Programs from the Main Menu.
2. Select Ref.Arc from the Programs Menu.
3. Complete program pre-settings. Refer to "6 Programs - Getting Started".
Define the reference arc.

Defining the Reference Arc

The reference arc can be defined by;
• a center point and start point,
• a start point, end point, and radius, or
• by three points.
All points can be either measured, manually entered, or selected from the memory.
P1
P0
TSOX_089
All arcs are defined in a clockwise direction and all calculations are made in two dimen-
sions.
Select Ref.Arc and then the method to define the arc by:
• Centre & Start
• Start,End&Radius
• 3 Points
Field Description
Point ID of the start point.
Start Pt
Point ID of the center point.
Centre Pt
Point ID of the mid point.
Mid Pt
End Pt Point ID of the end point.
Radius of the arc.
Radius
A positive value, for example 100 m, is for a clockwise direction of the
reference arc. A negative value, for example -100 m, is for an anticlock-
wise direction of the reference arc.
P2
Reference arc
P3
P0 Instrument station
P1 Start point
r
P2 End point
P3 Center point
r Radius of arc
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