Choose one or more variables from the same data source to display on the same map.

 

Identifier

UC27

Actors

 Students, Researchers, GIS-Team Members, Professors

 

Goal

Actors will have the ability to choose one or more variables from the same data source to display on the same map.

 

Preconditions

Actor should have an account if the iDataMap system or as guest.

 

Post conditions

None

 

Assumptions

Actor has login the iDataMap system

 

Frequency

Each time a map or table is created.

 

Basic Course

  1. Actor select data sources
  2. Actor select the state.
  3. Actor selects the category (income, housing, age, etc.) of data that he or she wants to map from a list of available categories
  4. The iDataMap system runs a query and returns a list of variables from that data source that relate to the category that the actor selected.
  5. Actor has the option to choose another repeat steps 1-4 to add another variable to the query that will be the basis for the map.

 

Alternate Course A: none

Condition: None

 

Included Use Cases

UC01, UC003, UC006, UC007

 

Extended Use Case

None.

 

Issues

None

 

Decisions (List any important decisions made during the development of this use case)

 

 

Change History

 

Date

Version

Description

Author

Dec. 27, 2002

1.0

Initial Draft

Marilyn Moucharite