Possibly a topic not fitting well to Geotools, but I thought that people 
here may know...

I need to get from GML geometry to JTS geometry, and I am using custom 
XML beans generated from GML and a custom parser. It works fine most of 
the time, but today I run into a wall: I have a GML element in my xsd, 
importing GML (feature.xsd) in order tohave an element as follows:

<xsd:element name="MyGeometry" type="gml:GeometryPropertyType" 
minOccurs="0">

When reading this element in XML beans, tI can extract the 
GeometryPropertyType gpt, and from it I can do
AbstractGeometryType ageom = gpt.getGeometry
I have troubles to cast from the AbstractGeometryType to a PolygonType 
(I am certain that what comes in is a polygon).
I wonder if this is a more common problem with GML 3.1.1 ( I seem to 
have found some indications in that respect) or my problem in the 
declaration of the geometry.

Thanks, and apologies if this is not the appropriate forum.
Martin

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