[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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