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Re: [udig-devel] Status of GML and KML Support
Sweet as.  Thanks Jody.  I will try this out.  ~  Tawan


On 14/06/2010, at 4:03 PM, Jody Garnett wrote:

They should be able to; I am am just making the GML code easier to use in GeoTools; and may try to do KML in the same way.

New docs are here:

Code needed to import GML is:

GML gml = new GML(Version.WFS1_0);
SimpleFeatureCollection featureCollection = gml.decodeFeatureCollection(in);

And to export GML:

GML encode = new GML(Version.WFS1_0);
encode.setNamespace("geotools", "http://geotools.org");
encode.encode(out, featureCollection);

And the hard part is exporting the XSD file:

SimpleFeatureType TYPE = DataUtilities.createType("Location", "geom:Point,name:String");

GML encode = new GML(Version.GML2);
encode.setBaseURL(new URL("http://localhost/"));
encode.encode(out, TYPE);

It is the last step that was missing from GeoTools; and I have added it to GeoTools 2.7 (which should be released in July).

Jody


On 14/06/2010, at 10:57 AM, Tawan Banchuen wrote:

Thanks.  Glad to know that I did not do anything wrong.  It's just not supported for now.  

Too bad GML and KML are not on the top of the list for our project, otherwise I would volunteer to do it.  If I have the luxury of teaching my students Java (teaching them Python at the moment), I will attempt to assign that as their project.  Not sure whether they can figure out though.  :-(

Cheers,
Tawan


On 14/06/2010, at 12:39 PM, Jody Garnett wrote:

In open source the near future is never safe; as projects run on volunteer effort. :-) There exists both GML and KML parsers in the library we use, GeoTools. But we have no volunteers scheduled to bring this functionality into uDig at this time.

Sorry!  I would expect it to be about a weeks work; something that could be cut down a lot if there were people around able to test each day.  Doing an import and export wizard would also work and be only a couple of days.

Jody

On 14/06/2010, at 9:08 AM, Tawan Banchuen wrote:

Hi Jody and Andrea,

I am picking a open format to teach to my students how to compose a geospatial dataset.  I will ask them to visualize the result with uDig, so it has to be a format that uDig supports.  From the messages I have read, it seems that you guys are the authority on the issue of GML and KML support in uDig (and the rest of the issues most likely :-)).  

According to this post, is it safe to say that uDig will not be supporting GML in the near future?

http://jira.codehaus.org/browse/UDIG-1473

Is KML support in uDig 1.2 RC3 yet?  Andrea, you talked about supporting KML last year:

http://udig-devel.19327.n5.nabble.com/kml-import-export-td19384.html#a19384

I just installed it, but I could not open the attached KML file, which is an example from Google.

Thanks a lot guys,

Regards,
Tawan

<KML_Samples.kml>





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