Hi,
the referencing module of the geotoolkit library handle towgs84
parameters (http://www.geotoolkit.org/). it also have a xml parser for
osm, a client for api 0.6 and osm tms servers in geotoolkit-pending.
you can find several demo modules in the code. Ask if you have troubles ;)
johann
On 28/06/2011 13:19, Nick Whitelegg wrote:
Hi,
Following on from my post about the Austrian grid system, I'm having a
bit of trouble using the Java Proj.4 library as it ignores datum
shifts which means the projected values are about 100m out. For OSGB
it's not a problem as I have another library which does the job but
for anywhere else in the world which doesn't use WGS84 it could be tricky.
So just out of interest, has anyone written Java code to do datum
shifting based on the "towgs84" parameters in Proj.4 definition files?
Obviously I could look up how to do this myself but time before SOTM
is a little tight and if some open-source code exists already I may as
well use that :-)
Thanks,
Nick
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