Alignment & offset

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• The function calculates coordinates of a point along a reference element and at a certain distance from the reference element.

• Click COGO.

• Click Alignment & offset.

  

• Select the reference element.

  

  • Reference.

    • Line (2 points): line defined by two topographic points. Requires to select Point 1 and Point 2.

    • Arc (3 points): arc defined by three topographic points. Requires to select Point 1, Point 2 and Point 3.

    • Arc (2 points+R): arc defined by two topographic points and by the radius. Requires to select Point 1, Point 2 and arc radius.

    • Drawing object: select a line, polyline, arc or circle in the graphic window.

• Click Invert to invert the reference direction.

• Click Info to have information on the reference object.

  

• After the reference object has been selected click Next to define the parameters.

  

  • Distance along reference: distance at which the point is located along the reference element.

  • Offset: lateral distance at which the point is located referring to the reference element.

  • Height difference: elevation difference to apply to the interpolated elevation of the point.

• Click Next to proceed.

  

• The software shows the result of the calculated point.

• Click Create point to create the point in the topographic points list.

• Click Stakeout to stakeout the point.

• Click End to close the function.