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How to Setup a Total Station

App icon  App name Availability/Description

 Determine Total Station instrument orientation and station coordinates using Total Station measurements.

  • App becomes available when a TPS profile is set up and active within the iCON software.

iCON site

The app is by default available on the Home screen and via the Favourites button. See also: Function bar

 iCON build

 The app can be accessed by tapping the Setup key from within the Function bar. See also: Function bar

 Setup Methods: Overview

Method Availablilty       Use with Tilt
   iCON site iCON site Plus  iCON build iCON build
Plus
 Coordinates Setup Pilot
Control Line Anywhere
Control Line Over 1st point
Control Line
 As Built Walls
 Tilted plane
 Set Reference
 Plane		 License of its own. If licensed then available in:
Tilted plane
 Restore Reference Plane		  License of its own. If licensed then available in:      

Adding control points to a job

For some setup procedures, control points need to be available in the current job. There are different ways to add control points to a job.

Importing control points

 You can import a list of control points. Refer to Importing data to the project step-by-step.

  • When importing TPS control points,
     information on prism type and height is only imported for file types *.geo and *.xml. After importing the control points, add missing information using the toolbox function Edit in the point list. Refer to 3.9 Point List, Searching for a Point.
 Defining new points as control points  When creating new points in the point list, you can define them as control points. Refer to 3.9 Point List, Searching for a Point (Toolbox function New).
  • After creating a TPS control point, add the information about prism type and height using the toolbox function Edit.
Turning existing measured points into control points
  •  Open the point list and select an existing measured point.
  • Use the toolbox function Edit to turn the point into a control point.
  • For TPS points define prism type and height and the coordinates of the new control point. Refer to 3.9 Point List, Searching for a Point (Toolbox function Edit).

 
Defining measured points as control points In the Measure application, activate the toolbox function Control Point to define measured points as control points.
  • To measure and store a control point, press Start. All measured points are stored as control points.
  •  For TPS points select the correct prism type and height (refer to 3.3 How to set Prism Type and Prism Height ).

The information about the currently selected prism type and height is stored together with the measured control point.
Creating control points in the Draw/Sketching application

 Create a single control point

  • Select the toolbox function New Point.
  • Enter the coordinates for the new point.
  • Tap  to activate the Control Point function or select Control Point in the toolbox.
  • Tap  to create the control point.

Create several control points along a line

  • Select the toolbox function Start Point.
  • Define direction of the line, distance from the start point and height.
  • Select Control Point in the toolbox.
  •  Tap  and enter the desired number to create several control points along a line.
  • Tap  to create the control points.

 Information about prism type and prism height for TPS points

The information about prism type and height of a control point only needs to be defined once. There are two possibilities to define this information:

  • Define this information directly after adding control points to a job by using one of the previously described methods.
  • Define this information when using a setup procedure with coordinates for the first time:
     Before measuring an existing control point, select the correct prism type and height. The information about the currently selected prism type and height is stored together with the measured control point.

The next time you start a setup procedure, this information is automatically set for each control point. You can directly select and measure the control points for setup.

Setup Graphics

Available for setup methods:

    • Anywhere
    • Setup Pilot
    • Control Line (See also: General Description)

 As a means of quality control for setup constellations, the angles measured between points used to create a station and the station itself are checked during setup and graphically indicated as good, if the angle between the instrument and any other two selected points is within a range of 35° to 145°.

 In the Residuals screen the Control Point Distribution is indicated as Poor if the angle between the instrument and all other pairs of selected points is outside the range of 35° to 145°.

To improve the constellation the station should be in the center of the control points. You can also try and use different control points to improve the quality of the station setup.