Triangulation is a method that allows for the reconstruction of a site when a grid or coordinate system for the mapping of a site does not exist.
When compared with the latter, triangulation engages space in a very different way. A coordinate system has already addressed all possible points in space and has, thus, covered space with an abstract, invisible layer. Triangulation, on the other hand, opens up space as it proceeds. Space that is not addressed remains unknown in a deeper sense.
Pixel versus vector drawings can illustrate this. In a pixel drawing, a surface is represented by x times y pixels. Even if an area is not important, it will always be represented by one or more pixels with an associated value. A vector drawing, on the other hand, references only those elements that are relevant. No information is stored for areas of no relevance, which usually results in smaller vector drawing files.
Triangulation develops a space producing figures.