Site, situation, placement, location through Google Earth. Determining an area. The hand re-draws, marks, selects, establishes contours, and translates geography into linear drawings as a first approach, a binding projection. In this project, Siting means defining an area, a study surface, mapping geomorphological units for the cadastral record of the project study. Cadaster. Three graphic techniques are used to delimit territory: Scale – Linear Synthesis – Contour