My problem now is only on transformation process.
I need to transform lat/lon EPSG: 4326 to Brazilian Polyconic SIRGAS 2000.
Brazilian Polyconic is not present in EPSG but i have a WKT parameters
bellow:
*SIRGAS_2000_POLYCONICAL*
PROJCS[\"SIRGAS 2000 / Brazil Polyconic\",GEOGCS[\"SIRGAS
2000\",DATUM[\"Sistema_de_Referencia_Geocentrico_para_America_del_Sur_2000\",SPHEROID[\"GRS
1980\",6378137,298.257222101,AUTHORITY[\"EPSG\",\"7019\"]],TOWGS84[0,0,0,0,0,0,0],AUTHORITY[\"EPSG\",\"6674\"]],PRIMEM[\"Greenwich\",0,AUTHORITY[\"EPSG\",\"8901\"]],UNIT[\"degree\",0.01745329251994328,AUTHORITY[\"EPSG\",\"9122\"]],AUTHORITY[\"EPSG\",\"4674\"]],PROJECTION[\"Polyconic\"],PARAMETER[\"latitude_of_origin\",0],PARAMETER[\"central_meridian\",-54],PARAMETER[\"false_easting\",5000000],PARAMETER[\"false_northing\",10000000],UNIT[\"metre\",1,AUTHORITY[\"EPSG\",\"9001\"]]]
When i run this line,
*CoordinateReferenceSystem targetCRS =
CRS.parseWKT(EPSGConstants.SIRGAS_2000_POLYCONICAL);*
Error is
WARNING: Can't load a service for category "MathTransformProvider". Cause is
"NoClassDefFoundError: javax/media/jai/WarpAffine".
org.opengis.referencing.NoSuchIdentifierException: No transform for
classification "Polyconic".
at
org.geotools.referencing.operation.DefaultMathTransformFactory.getProvider(DefaultMathTransformFactory.java:277)
at
org.geotools.referencing.operation.DefaultMathTransformFactory.getDefaultParameters(DefaultMathTransformFactory.java:304)
at org.geotools.referencing.wkt.Parser.parseProjection(Parser.java:575)
at org.geotools.referencing.wkt.Parser.parseProjCS(Parser.java:879)
at
org.geotools.referencing.wkt.Parser.parseCoordinateReferenceSystem(Parser.java:240)
at
org.geotools.referencing.wkt.Parser.parseCoordinateReferenceSystem(Parser.java:221)
at
org.geotools.referencing.factory.ReferencingObjectFactory.createFromWKT(ReferencingObjectFactory.java:913)
at org.geotools.referencing.CRS.parseWKT(CRS.java:431)
On Fri, Sep 11, 2009 at 11:33 PM, Jody Garnett <[email protected]>wrote:
> Sounds like your approach is correct.
>
> You have identified that at/lon is not meters :-)
>
> So you will need to create your circle in meters and transform it into lat
> long (resulting in a ellipse of some sort depending on where you are in the
> world.
>
> So can you tell us the errors you are getting?
>
> Jody
>
>
> On 12/09/2009, at 9:08 AM, Rafael Soto wrote:
>
> Hi Folks,
>>
>> I'm trying to create a polygon circle feature from point and defined
>> radius in meters.
>>
>> How i do it if my point has a EPSG:4326 lat/lon coordinate system and my
>> raius stays in meter?
>>
>> I think to use a CRS transformation and convert my point feature from
>> EPSG:4326 to POLYCONICAL system, generate a polygon circle and transform
>> back to EPSG:4326 but i found some erros.
>>
>> someone solve this problema?
>>
>> Hopes for the solution.
>>
>> Best regards
>>
>> --
>> Rafael Soto
>>
>>
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>
>
--
Rafael Soto
Sent from Brasilia, DF, Brazil
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