Hi Jodi,

Thanks for the info. What I am looking for is a way to do the following:

    * Parse geometry data encoded in GML 3 into a
      com.vividsolutions.jts.geom.Geometry instance an then use a POJO
      class that uses hibernate spatial to persist it into a spatially
      extended relational database
    * Query a a spatially extended relational database using hibernate
      spatial and then marshal the matching
      om.vividsolutions.jts.geom.Geometry instances into GML 3

It was not clear to me if and how that is possible using the link you 
sent me.

Can you please confirm that what I am trying to do is possible and if so 
are there any examples for a geotools newbie like me to use to meet my 
objectives.

Thank again for your help.

Jody Garnett wrote:
> Farrukh Najmi wrote:
>> I am looking for a way to marshal JTS geometry classes (e.g. 
>> Envelope) to GML and unmarshal GML documents into JTS geometry 
>> classes. Can any one advice what is the best way to do this.
>>   
> The user guide has the instructions here (let me rename the page so 
> that is more obvious):
> - 
> http://docs.codehaus.org/display/GEOTDOC/03+Using+Transformers+for+XML+Generation
>  
>
>
> The magic concept is that of an "Transformer" which is one of those 
> nice interfaces provided to us by the XML geeks; it wanders over an 
> object structure and issues SAX events; you can hook up an XML writer 
> up to those as shown on the above page.
>


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