[Gdal-dev] Maps in PDA

Rich Signell rsignell at usgs.gov
Thu Sep 22 10:43:11 EDT 2005


Gdal gang,

Here's a WMS client that works on any Java capable (MIDP 1.0/CLDC 1.0) cell 
phone or PDA

http://www.skylab-mobilesystems.com/en/products/j2me_wms_client.html

-Rich

Frank Warmerdam wrote:
> On 9/22/05, Hallgren Johan E <jhhal at wmdata.com> wrote:
> 
>>The problem is that I don't think it can run on
>>a PocketPC without recompile everything. My next issue was to figure out how
>>difficult it could be to recompile MS and all is parts to the PDA
>>environment, and my answer was that it's difficult. Beside that I don't know
>>if the MapServer solution for displaying maps in a PDA is optimal, I think
>>the aim with MapServer was to create maps on the internet and not
>>running as a single desktop app.
> 
> 
> Johan,
> 
> I know there are a few folks who use MapServer as the rendering
> core for desktop display, though it is quite a bit of work to repurpose
> it that way.  But the bigger issue is that porting MapServer and all
> it's dependencies to WinCE is likely to be a substantial job.   The
> work Mateusz is doing on GDAL should be helpful, but that still leaves
> alot of libraries (GD, and freetype at a minumum) plus MapServer
> that would need to be ported to WinCE.  Not a small task I think.
> 
> 
>>Next I found the work Mateusz Ùoskot is doing to porting GDAL to the Windows
>>CE environment, that's great. Could GDAL be the solution for me? It raises
>>some new questions:
> 
> 
> Well, GDAL would give you a mechanism for reading raster and
> vector data.
> 
> 
>>·         It's not my dream to build logic for symbology and classification.
>>Is there any support for symbology and classification in GDAL?
> 
> 
> No, GDAL and OGR do not address presentation rendering,
> symbology, etc.
> 
> 
>>·         Are there other options for my PDA issue I havent't found yet?
> 
> 
> I'm afraid I don't know what is available for WinCE or other PDAs.
> I would suggest you do some google searches for available toolkits.
> 
> 
>>·         Is it possible to compile MapServer for Windows CE?
> 
> 
> Beyond the effort to port these things to WinCE, the othe issue
> to keep in mind is that MapServer and supporting libraries are not
> necessarily designed for the tight memory conditions of a PDA.
> Something designed with the PDA environment in mind is likely to
> be less resource intensive.
> 
> Hopefully others will have more useful suggestions than me!
> 
> Best regards,
> --
> ---------------------------------------+--------------------------------------
> I set the clouds in motion - turn up   | Frank Warmerdam, warmerdam at pobox.com
> light and sound - activate the windows | http://pobox.com/~warmerdam
> and watch the world go round - Rush    | Geospatial Programmer for Rent
> 
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-- 
Richard P. Signell
U.S. Geological Survey       Phone: (508) 457-2229
384 Woods Hole Road          Fax:   (508) 457-2310
Woods Hole, MA  02543-1598



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