Hello Erich
Setting the "force xy axis order" property to "false" doesn't means that the
order will be (y,x) or (latitude,longitude). It means that the axis order will
be the one defined by the authority (EPSG in our case). It may be any axis
order
on a CRS-by-CRS basis.
In your case, EPSG:31466 is defined in the EPSG database with (y,x) axis order
while EPSG:23032 is defined in the database with (x,y) axis order. They are
defined that way because this is the way they are used by the geographer in
their country. GeoTools tries to respect what the authority said.
You can see the axis order if you perform a System.out.println(crs). In the
first case I get:
PROJCS["DHDN / Gauss-Kruger zone 2",
[...snip...]
UNIT["m", 1.0],
AXIS["Northing", NORTH],
AXIS["Easting", EAST],
AUTHORITY["EPSG","31466"]]
Note the "Northing", "Easting" axis at the end of this dump. In the second case
I get:
PROJCS["ED50 / UTM zone 32N",
[...snip...]
UNIT["m", 1.0],
AXIS["Easting", EAST],
AXIS["Northing", NORTH],
AUTHORITY["EPSG","23032"]]
Note the "Easting", "Northin" axis at the end of this dump.
You can fetch this information programmatically by invoking
crs.getCoordinateSystem(), then cs.getAxis(i) and looking at the axis direction.
Martin
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