1. Click on Add Survey Point.
   
2. Define Name.
   Note: We recommend to use an explicit name for each tie point to ease the identification of an individual user tie point (for the constraint definition, etcetera).
   
3. Select Type Tie Point.
4. Click on Create.

   The new Tie point appears in the list.

5. Place the tie point on photos.

   Select measurement photo displaying the point, define its position in the photo with the yellow marker and click Accept position (alternatively, use Shift+Click to set directly the position on the photo).

Repeat the sequence of operations above to set the position on several photos.