I don't see any reason why we couldn't work more with Z values. It
just hasn't been done extensively to date.

The Sunburned Surveyor

On Tue, May 26, 2009 at 10:53 AM, Christopher <infinitye...@yahoo.com> wrote:
>
>
> --- On Tue, 5/26/09, Andreas Schmitz <schm...@lat-lon.de> wrote:
>> Of course, the elevation values are lost anyway
>> when read in
>> OpenJUMP...
>
> Does it need to be that way? JTS includes the ability to specify XYZ 
> coordinates, it's just that most of the spatial operations only use XY. But 
> if you have the elevation data, why not record it into Z when reading it in?
>
> --Christopher
>
>
>
>
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