CS) Informative
Maps on PDA-phones Chui Pui Ling Page 22 4. GPS is supported for real-time tracking
5. Route planning function is provided for calculating the driving route from a start location to the destination
6. Point of interest location function is provided such that user can manage his/her
own favorite list of place 7. Multiple platforms include PC, Pocket PC and Smartphone are supported Weaknesses
1. Memory is required for program and data storage
2. Dynamic update of program or
information is not possible 3. No transportation methods is provided to show how the user can go to the destination In general, the mobile mapping systems for handheld devices are user-friendly with basic functionalities in location query and map reading. As location based services becomes popular, location tracking by GPS is tried to be supported. However, it can only be applicable at outdoor and it would be impossible to be used in dense urban areas, like HK for tracking users location.
In addition, there is no guide provided to teach users to go from one point to the destination. Although routing function maybe provided, the usefulness is constrained by cars navigation. Traditional PDA used as an electronic organizer no longer satisfies with the users needs. With importing different software, it becomes more powerful. However, storing the program requires memory and a more crucial factor is that the update of program or data is difficult. Although the software update can be down through the Internet, un-installation and re-installation is a troublesome to users. All in all, technology of GIS and location tracking on handheld devices has been getting started and it is believed that it will be widely applied in the near future.
On the other hand, since information technology is under rapid growth in this era,
CS) Informative Maps on PDA-phones
Chui Pui Ling Page 24
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