Datum is
A) a piece of spatial information used to draw a conclusion or make a decision
B) a point of reference for measuring distance
C) a reference system that defines the size and shape of the Earth and the origin and orientation of the geographical coordinate systems used to map the Earth.
D) a reference system that defines a projected coordinate system and its associated map projection

Question

Quizplus · Accepted Answer

Datum refers to a reference system that defines the size and shape of the Earth and the origin and orientation of the geographical coordinate systems used to map the Earth. It is a crucial component in ensuring accurate and consistent spatial analysis and mapping. A and B are too general, and D only refers to a specific type of datum.

Datum Is