Modeling Notes

Fundamental element is a geographic point of interest (GeoPoint).
A set of GeoPoints can be defined by defining a GeoRegion.
A GeoRegion could be defined in a variety of ways:
* Two or more non-lineal points (polygon method)
* Geopoint with relative spacial dimensions (northing,easting), (height, width), etc.
* Intersection of set of GeoRegions

A Layer is abstractly a data dimension attribute. Information about a point can be associated with a particular dimension.

There a number of different coordinate systems. The two major systems are:
* [ Geographic Coordinate System (GCS)]
* [ Universal Transverse Mercator System (UTM)]

Converting between the systems is [ covered here].