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mariano s kohan s a écrit :
> the coordinates that i have to process applied only inside the area of a
> country. Can i define a proyection a little more accurate in a specific
> area (for example 20º S to 50º S lat and 55º W to 72 º W)? how?
You may try a Lambert conical with two secant latitudes, one around 30°S and
one around 40°S. Try
the following from the command line:
java -classpath gt2-referencing-2.3-SNAPSHOT.jar
org.geotools.referencing.operation.DefaultMathTransformFactory
Lambert_Conformal_Conic_2SP
It should list you the parameter accepted by this map projection. Two
parameters of interest are
"standard_parallel_1" and "standard_parallel_2".
> is there some way to calculate the angle defined by the path of the
> orthodomic distance with this accurated mode?
Try org.geotools.referencing.GeodeticCalculator (look at 'getAzimuth' methods).
Martin.
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