Hello,
I am new to this mailing list and relatively new to GeoTools. I hope that this
is the correct address for my problem
(I am using uDig, but as far as I understood, my problem is referring to the
GeoTools library):
I want to create a LineString feature between two points of a point layer
(shapefile) that represents the shortest path between the points on the
ellipsoid. (e.g. http://www.gcmap.com/mapui?P=FRA-HKG&MS=wls&DU=mi) The
LineString should not only contain the two ending points, but also some of the
waypoints.
My first idea was using
MapProjection projection = CRS.getMapProjection(crs); // crs is
World_Mercator
and
MathTransform2D inverse = projection.inverse();
And then applying
Coordinate c = pointGeom.getCoordinate();
JTS.transform(c, null, inverse)
to the two input geometries. Then I wanted to calculate the waypoints and apply
JTS.transform(wayP, null, projection)
So my question is what kind of coordinates do I get when applying transform(..)
to point p1?
I assumed, that I am getting coordinates already projected to a 2D-plane when
calling getCoordinate(). Is that right?
Does GeoTools provide any functionality doing all this or parts of this for me?
I already searched http://geotools.org/ and
http://docs.codehaus.org/display/GEOTDOC/Home, but did not find anything that
seemed appropriate.
Thanks a lot in advance,
Hendrik
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