I can recommend you ask on project mailing list (geotools-gt2-users@...).
Visit the website for user guide and tutorials.
On Monday, 19 August 2013 at 5:01 PM, Harshal Vora wrote:
> I am new to GeoTools. Is there any book or documentation available apart
> from the Java Docs.
> We are working on a product where we would like to store floor plans of
> buildings. We want to use our own coordinate system (in feet or meters).
> Also we want to store a hierarchy of physical locations i.e. building
> contains floors, floors contains rooms etc. We want to provide local
> coordinate systems to each level in the hierarchy and also provide
> capability to convert from one coordinate system to another as we move
> up and down the hierarchy.
> We have not been able to find a suitable solution using PostGis to
> represent hierarchy for Cartesian coordinate systems and hence we feel
> that instead of making modifications on top of PostGis, we would like to
> use GeoTools and do some of the calculations on the application side.
> Does GeoTool provide majority of the functions provided by PostGis i.e.
> contains, within, neighbor, distance, bounding box, intersection etc.?
> Is there any other alternative?
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