Hei,

I agree with Landon, but
an additional note:

there is also a projection/cts plugin from Edgar.. see Peppes notes here:
http://www.openjump.org/wiki/edit/Working+with+Projections

stefan

Sunburned Surveyor wrote:
> I should have included links to the deegree project:
> 
> deegree Web Site: http://www.deegree.org/
> 
> deegree Developer Guide:
> http://intevation.de/cgi-bin/viewcvs/*checkout*/deegree/docs/management/deegree_developer_guide.pdf?rev=HEAD&cvsroot=deegree
> 
> I've got a copy of a manual on the use of the deegree CRS library, but
> I can't seem to locate it online. Perhaps one of the deegree
> programmers will post a link to it for you.
> 
> SS
> 
> On Tue, Jan 27, 2009 at 9:00 AM, Sunburned Surveyor
> <sunburned.surve...@gmail.com> wrote:
>> Christopher,
>>
>> Its good to hear from you!
>>
>> I have not used the Java Map Projection Library. However, I know that
>> the deegree Project has full support for map projections and would
>> plug-in very well with OpenJUMP. There is even a manual that was
>> written that explains how to use the library.
>>
>> I believe the map projection code in deegree is actually a well
>> developed fork of the map projection code that is now in GeoTools. The
>> deegree team has done a lot with the code since then. For example,
>> they've taken a lot of the math transform information in the EPSG
>> database and put it into an XML file. You can tweak this XML format to
>> support new projections or a limited set of projections.
>>
>> My lowly advice is that we use the deegree code for integrating map
>> projections into OpenJUMP, if we use anything at all. But this is just
>> my own opinion.
>>
>> I actually hope to work on this myself, but I haven't made time yet.
>> I'd be very interested in your efforts in this area.
>>
>> (I will note that UDig already has the ability to project vector data
>> using the GeoTools code.)
>>
>> The Sunburned Surveyor
>>
>> On Mon, Jan 26, 2009 at 5:54 PM, Christopher <infinitye...@yahoo.com> wrote:
>>> Does anyone have experience using the Java Map Projection Library 
>>> (http://www.jhlabs.com/java/maps/proj/)? It claims to be a java only remake 
>>> of proj.4 which looks promising, but there is no svn and the last 
>>> change-log was in 2007.
>>>
>>> It would be really nice to incorporate some sort of reprojection ability 
>>> within jump.
>>>
>>> --Christopher
>>>
>>>
>>>
>>>
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