GIS terms starting with E

17 terms

  1. Earth Observation Satellite (EOS) An effort to study the earth as a system while tracking long-term changes on a global scale.
  2. edge matching An editing procedure to ensure that all features that cross adjacent map sheets have the same edge locations.
  3. edit To correct errors within, or modify, a computer file, a geographic data set, or a tabular file containing attribute data.
  4. Education Formal education information. For example, schools, universities, colleges, and related activities.
  5. Elevation A drawing of a face of a building with all the features shown, as if in a single vertical plane
  6. embedded SQL SQL statements that are embedded in a host language program.
  7. entity A legally recognized organization.
  8. entity relationship diagram A graphical representation of the entities and the relationships between them. Entity relationship diagrams are a useful medium to achieve a common…
  9. Environment All the natural and living things around us. The earth, air, weather, plants, and animals all make up our environment.
  10. equation item An arithmetic expression used in place of an itemname in an ARC/INFO command. For example, to list feature areas, a user could specify LIST AREA; to list…
  11. Equator The parallel of reference 0 north or south.
  12. Ethernet A common way of networking PCs to create a LAN.
  13. event In LotusScript, an action or occurrence to which an application responds. That action can be a user-generated one, such as a mouse click; a…
  14. event source This is a name assigned by the user to reference a DBMS table containing event data for use with the dynamic segmentation commands.
  15. extended character set Extended character sets support languages which require 8-bit characters or double-byte characters, such as Chinese and French.
  16. external file INFO stores data in files within a database. However, database information can be stored in files outside of the database.
  17. external polygon See universe polygon.