One of them is equipped with a total station and the other is equipped with a prism.

Click data collection, as well as the coordinates of the transmission and measurement locations (that is, the instrument placement point) and the instrument height, and then click Next.

Input the coordinates of the orientation point (that is, the point where the instrument is not installed), and you can input or output the prism.

Aim the instrument at the prism and click Measure to see if there is a big difference between the displayed coordinates and the coordinates of the input point. If not, the orientation is completed. If the difference is too large, repeat steps 2 and 3.

Determine the height of the prism and adjust it according to the terrain.

Input the prism height into the instrument, put the prism tree on the point to be searched, click Measure, and save the coordinates.

After the drawing is completed, export the data, draw with cass, and check the coordinates. Then point out the lofting. Select the lofting function in the menu (most instruments are in the main menu).

Method one

Coordinate lofting: set up instruments, level and center at known coordinate points.

Start the initial setting, select the coordinate lofting program, input the station coordinates (instrument point coordinates), and input the coordinates or angles of another known coordinate point (rear viewpoint).

After the alignment (rear viewpoint) is confirmed, you can start. Input the coordinates of the points to be lofting, adjust the instrument angle to zero, put the prism on the line of sight, and measure and adjust the distance of the prism on the line of sight.

If the distance difference is zero, the point is fixed. There is an obstacle between two o'clock and the line of sight is blocked.