Hi serrega_sh,
You could try Eckert or Mollweide projections, they are global.
Here is how I have created the CRS objects
https://github.com/guziy/GeotoolsDemo/blob/master/src/main/MollweideAccessor.java
You could try maybe now they are available by their codes from CRS.decode.
Actually if your needs are just to display, then you could just work in
lat-lon and do not bother with projections.
Even intersection should be OK in lat-lon, though the radius should be
converted to degrees. And remember that the circles in lat lon are not
really circles in reality, since 2 degrees west along 5N parallel is
smaller than 2 degrees west along 45N parallel.
HTH
Cheers
--
Oleksandr (Sasha) Huziy
2013/2/19 serega_sh <[email protected]>
> Thanks! It really helped. But I've met another problem.
> I have a coordinate(lat,lon) array for the whole territory of Russia,
> I can't use CRS.decode("EPSG:3576") for coordinates: (43.79 131.95)
> I do get an error:
>
>
> WARNING: Prefs file removed in background
> /home/ssa/.java/.userPrefs/org/geotools/referencing/wkt/prefs.xml
> common.geo.model.RuntimeConfigurationException: Error during conversion of
> [(43.792022705078125, 131.9571533203125, NaN)] to
> [PARAM_MT["Lambert_Azimuthal_Equal_Area",
> PARAMETER["semi_major", 6378137.0],
> PARAMETER["semi_minor", 6356752.314245179],
> PARAMETER["latitude_of_center", 90.0],
> PARAMETER["longitude_of_center", 90.0],
> PARAMETER["false_easting", 0.0],
> PARAMETER["false_northing", 0.0]]]
> at
>
> common.geo.model.builder.v2.GeometryBuilder.toGeometry(GeometryBuilder.java:62)
> at
>
> common.geo.model.builder.v2.GeometryBuilder.buildCircle(GeometryBuilder.java:36)
> at
>
> common.geo.model.builder.v2.GeometryBuilderPerfomanceTest.testCircleCreation(GeometryBuilderPerfomanceTest.java:50)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
>
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> at
>
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
>
> org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
>
> What is a best practice of converting from various spatial coords to
> geometry JTS?
>
>
>
> --
> View this message in context:
> http://osgeo-org.1560.n6.nabble.com/WGS84-to-a-Cartesian-transformation-tp4318606p5035060.html
> Sent from the geotools-gt2-users mailing list archive at Nabble.com.
>
>
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