Triangulating using manual triangulation

Task: Triangulate using manual triangulation

1. Click Reset graphics .
2. Choose File > Open > String/DTM file.
3. Enter the information as shown, and click Apply



4. Choose View > Data view options > View by bearing & dip to change the view to Bearing = 70, Dip = -20.
5. Zoom in on strings 1 and 2.
6. Choose Display > Point > Numbers to display the numbering sequence of strings 1 and 2.
7. Choose Solids > Triangulate > By manually selecting points.
8. Enter the information as shown, and click Apply.



Note: Follow the prompts at the bottom of the screen with care as the segments must be selected in a strict order.

9. Click point 33 on string 1 and then the corresponding point 117 on string 2.
10. Click point 56 on string 1 and then the corresponding point 136 on string 2.
11. Press ESC.

The triangulated image is displayed.

Note: To see all of the steps performed in this task, run _04f_triangulate_manual.tcl. You need to click Apply on any forms presented.