[OSGeo-Discuss] Mobile GPS data collection...

Stephen Woodbridge woodbri at swoodbridge.com
Sun Jul 30 20:32:06 EDT 2006


I have not worked on a WinCE device, but thttpd is a very small compact 
webserver that I have worked with in the past and added cgi-bin php 
support to in about 4 hours effort, mostly reading the docs and the code 
and about 20 lines if code to do the job on linux. If you want an 
embedded webserver, I would certainly start there is there aren't any 
obvious better choices.

-SteveW

Aaron Koning wrote:
> I think you are spot on Bob! Do you have a web server in mind? What are 
> the options for web servers on the Windows Mobile platform? ApacheCE is 
> a fairly dated project that ported Apache 1.x to WindowsCE. Does anyone 
> know if there is a newer Apache port for Windows Mobile or does 
> compiling Apache from source work well on Windows Mobile? What about PHP?
> 
> Also, anybody have experience with PostgreSQL and PostGIS on Windows Mobile?
> 
> Aaron
> 
> On 7/30/06, *Bob Basques* < bob.b at gritechnologies.com 
> <mailto:bob.b at gritechnologies.com>> wrote:
> 
>     All,
> 
>     I'm more inclined to go with some sort of Web Based Syncing of the data
>     collection.
> 
>     My first thought was to use a WebServer on the device that handles the
>     data collection as a standalone device, and also the communications with
>     a main database server.  This is just a starting point for conversation
>     however.  But it's all dealing with automating things to the fullest
>     extent.  Having the Webserver on the mobile device handle the
>     communications with the main Database server instead of having the user
>     worry about it.  All the user sees is whether the Web servers have
>     had a
>     connection yet and were able to sync with each other.  This type of
>     system would work with a automatic wireless connection or a manual
>     syncing process.
> 
>     I would also propose having a auto-tracking map where most, if not all,
>     of the input is done via a spatial interface.  This seems to be the
>     easiest type of interface to use for such things and doesn't add to the
>     training aspects appreciably.
> 
>     bobb
> 
> 
> 
> 
>     Tyler Mitchell wrote:
>      > I've also done some Pocket PC (windows) based mobile computing
>      > applications a few years ago.  This was on the IPAQ (before HP took
>      > over Compaq) and was a forestry field data collection from
>     surveys of
>      > waste left over after logging.  We sold a few copies of it.
>      >
>      > The weakest link was the database connectivity (and some general
>      > annoyances with the Embedded VB environment).  I ended up sync'ing
>      > with an Access db on the client PC through ODBC.  It worked pretty
>      > well, but had these weak links that were not the easiest for new
>     users
>      > to handle.  It was certainly not a cross platform or flexible
>     solution
>      > but filled the gap.
>      >
>      > Also, the platform was very slow.  I found populating drop-down lists
>      > with more than a few values was slow. This was on the oldest model,
>      > 266Mhz processor though :)  Anyway, all that just introduce a bit of
>      > what I've done.
>      >
>      > I think that having a cross platform solution is ideal, but I'm
>      > thinking it's going to be tough due to the hardware and PC sync'ing
>      > issues.  It seems there are some solutions out there that allow
>      > sync'ing with the Microsoft ActiveSync using an open source protocol
>      > (I forget the name).  There also appear to be some issues with
>      > PDA->USB->Networking with windows host PCs due to drivers.  I'm
>      > curious if anyone has worked through that.  It'd be ideal to
>     avoid the
>      > 'sync' problem and get straight into tcp/ip connectivity to databases
>      > or via rsync.
>      >
>      > Any thoughts on this?  Others have similar issues?
>      >
>      > Tyler
>      >
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> -- 
> +--------------------------------------------
> |  Aaron Koning
> |  Information Technologist
> |  Prince George, BC, Canada.
> +--------------------------------------------
> |   http://datashare.gis.unbc.ca/fist/
> |  http://datashare.gis.unbc.ca/gctp-js/
> +--------------------------------------------





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