Week5: 13 Terrains Flashcards
1
Q
Terrain data relates to ..
A
the 3D configuration of the surface of the earth
2
Q
Map data relates to ..
A
data located on the surface of the earth (2D)
3
Q
A digital terrain model is …
A
a representation of a terrain relief on the basis of a finite set of sampled data
4
Q
Digital terrain models represent …
A
an approximation of mathematical terrain models (on the basis of a finite set of sampled data, called sample model)
- sampled model vs DTM (see pics on slides)
