Just came across a project to develop an open source mapping application for PDA's. MapTools has the following objective.
Mobile GIS is an Open Source project aimed at providing various GIS solutions for a variety of mobile devices. Currently Mobile GIS is in the initial planning phase.
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Web Based Solution
We have been experimenting with a Web Based solution for Smartphones and PDAs (with an Internet connection). The solution uses UMN MapServer and PHP to produce a HTML page designed for the small screen size, but has the same functionality as a full size Web interface. To have the look at what we have done to date, simply click here
Cheers Ian
Nice! I of course was only
Nice! I of course was only testing it in my web browser rather than on a small screen device. As a geocacher it would be useful to have the ability to enter a WGS-84 lat/long rather than just entering addresses :)
Data Capture
Because the backend is running UMN MapServer, it wouldn't be difficult to build a form that allowed users to enter data with co-ordinates and store them on the server either in a public or private area. I am considering building an interface that would allow you to add objects using either NZMG, NZTM, or WGS84 co-ordinates within the secure areas of the server. At this stage the idea was more for storing field data during an emergency event.