No, datum in this case it is not the singular form of data; it is the geodetic term for the measurement of the curvature surface of the earth with a specific center point. It is the basis for making ...

Summary: A look at the challenge of dealing with horizontal datums in your GIS. We are moving into a new era in dealing with datum transformations. Geodata 2.0 is coming, and it can create big ...

Accuracy—The closeness of an estimated value (that is measured or computed) to a standard or accepted (true) value of a particular quantity. Strictly, it only applies to absolute physical quantities, ...

No audio available for this content. This subject scares me. I’m not a trained geodesist. I’m not a mathematician. Yet, I’d be derelict in my duty if I didn’t write about this subject. I know enough ...