[OSGeo-Discuss] [mapserver-dev] [discuss] featurereader, tileservice, map.open() problem

[David William Bitner]

Aron -

You might want to try the MapGuide mailing list (MapServer is not the same
as MapGuide):
http://lists.osgeo.org/mailman/listinfo/mapguide-users

On Tue, Mar 11, 2008 at 11:20 AM, Áron Deák <deakaron at gmail.com> wrote:

> Hello everybody,
>
> I am new to mapguide. I am writing a java thick client map application
> using MapGuide Open Source as map server. I query images from the map
> server, this part works pretty well, not  fast enought tough.
>
> My problem is that I also need to be able to read the feature data in
> order to be able to provide some simplified geocoding service as well, but I
> can't get the feature reader to work, I also need the tile service because
> rendering images takes a lot of time and even implementing tile caching in
> the program is not enough, so I would like to use MapGuide's tile service as
> well reading tile data through  MgByteReader in a similar way as reading
> arbitrary sized images.
>
> I have problem running even the simplest sample codes, eg. map.Open()
> function throws an exception so I have to use map.Create() to open a map
> and I am thinking that this might be the root of my problems.
>
> Here is how my code works: (simplified) I have followed instruction from
> the GettingStartedGuide.pdf to the letter when installing the MapGuide
> server
>
> try {
>             MapGuideJavaApi.MgInitializeWebTier("C:\\webconfig.ini");
>             MgUserInformation userInfo = new
> MgUserInformation("Anonymous", "");
>             mapDefid = new MgResourceIdentifier(
>             "Library://Samples/Sheboygan/Maps/Sheboygan.MapDefinition");
>             MgSite site = new MgSite();
>             site.Open(userInfo);
>             String sessionId = site.CreateSession();
>             site.Close();
>             MgSiteConnection siteConnection = new MgSiteConnection();
>             siteConnection.Open(userInfo);
>             MgResourceService service = (MgResourceService) siteConnection
>                     .CreateService(MgServiceType.ResourceService);
>             MgMap map;
>             map = new MgMap();
>             MgRenderingService renderingService = (MgRenderingService)
> siteConnection
>                     .CreateService(MgServiceType.RenderingService);
>             MgFeatureService featureService = (MgFeatureService)
> siteConnection
>                     .CreateService(MgServiceType.FeatureService);
>             MgTileService tileService = (MgTileService) siteConnection
>                     .CreateService(MgServiceType.TileService);
>             MgResourceService resourceService = (MgResourceService)
> siteConnection
>                     .CreateService(MgServiceType.ResourceService);
>             map.Create(resourceService, mapDefid, "MyMap");
>             /**
>              * Opening map throws exception
>              */
>     //        map.Open(resourceService, "Sheboygan");
>             MgResourceIdentifier districtsId = new MgResourceIdentifier(
>
> "Library://Samples/Sheboygan/Data/VotingDistricts.FeatureSource");
>             /**
>              * Selecting features throws exception
>              */
> //            featureService.SelectFeatures(districtsId,
> "VotingDistricts",
> //                     new MgFeatureQueryOptions(), "Sheboygan");
>             /**
>              * Reading a certain area of the map as an image file stream
> works fine
>              */
>             MgByteReader reader = this.mapGuideResourceManager
>             .getRenderingService().RenderMap(map,
>                     this.mapGuideResourceManager.getSelection(), env,
>                     (int) renderSpec.getImageSize().getWidth(),
>                     (int) renderSpec.getImageSize().getHeight(),
>                     new MgColor((short) 0, (short) 0, (short) 0xff),
>                     "JPG");
>         } catch (MgException ex) {
>             ex.printStackTrace();
>         }
>
> Any help or ideas would be appreciated, now I am stuck with the
> development because of these problems.
>
> Thanks,
>
> aron deak
>
> _______________________________________________
> Discuss mailing list
> Discuss at lists.osgeo.org
> http://lists.osgeo.org/mailman/listinfo/discuss
>
>


-- 
************************************
David William Bitner
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