|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
n |
Most
(all?) guides include mapping component
|
|
|
n |
Location
information possibly provided by GPS or other
|
|
|
location
tracking sensors
|
|
|
n |
Data
has to be served from a server
|
|
|
|
– |
client
devices very constraint (space, memory, CPU)
|
|
|
|
– |
data
changes dynamically (overlay of busses, traffic congestion,
|
|
|
accidents,
…)
|
|
|
n |
Question:
can we design “mapviewer” client on PDAs?
|
|
|
|
– |
On
The Move: CityGuide works under Windows 95
|
|
|
|
– |
Citikey:
Maps static and stored locally (if available at all)
|
|
|
|
– |
Use
Java for ease of portability/development
|
|