Informative Maps on pda-phones

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Chui (2006)

4. Design and Analysis
4.1. Overview
In general, this project will focus on server-side PC processing and client-side
Pocket-PC web-based application. On the server-side, data processing and information retrieval will be done. Only the required information will be sent to client’s device via http.
4.2. Use Case Diagram
cd Use Case Model
PDAphone users
Detect own
location
Show how to get to
the destination
Find an optimal
route to the target
Get the target map
Receiv e Audio
Instruction
Receiv e current
location's photo
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PDA-phone user has the main functions as follows,
• Detection of user’s current location
• Get an informative map to show user how to go from the current location to the destination. (The destination is obtained as Coordinate ID from the location based enquiry system which is done by another student [24] )

CS) Informative Maps on PDA-phones
Chui Pui Ling Page 41
4.3. Class Diagram
cd Class Model
DatabaseGatew ay
- connectionString: String+ executeNonQuery(String) : void+ executeDataSet(String) : Dataset
+ Initialize)
: void+ insertImage(String, HtmlImageFile) : void+ insertImage(String, Byte) : void
ClientDatabaseGatew ay
- sqlStatement: String- databaseGateway: DatabaseGateway
+ getNearbyInformation(Integer, Integer, String, Integer, Integer, String, String) : DataSet
+ getCoordinateInformation(String, String) : DataSet
MainPage
DisplayPicture
- displayCurrentLocation(String) : void- displayRoutine(String, String, String) : void
DisplayCurrentLocationDetail
- displayCurrentLocationDetail() : void

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