Layering Concept used Franklin County Auditor's Geographic Information System
To allow for easy access, storage and manipulation of vast amounts of data, a "layering" concept was implemented as described below.
1
First, it was decided which subjects would contribute most to the accurate appraisal of real estate.
2
These subjects were then divided into more specific categories and organized into data layers.
3
Finally, these broad groups of data were further divided into individual entries, called data items.