本文整理匯總了Java中org.opengis.referencing.datum.PrimeMeridian類的典型用法代碼示例。如果您正苦於以下問題：Java PrimeMeridian類的具體用法？Java PrimeMeridian怎麽用？Java PrimeMeridian使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
PrimeMeridian類屬於org.opengis.referencing.datum包，在下文中一共展示了PrimeMeridian類的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: premadeObjects
import org.opengis.referencing.datum.PrimeMeridian; //導入依賴的package包/類
/**
* A method with some examples of premade static objects.
*/
void premadeObjects() {
// premadeObjects start
GeographicCRS geoCRS = org.geotools.referencing.crs.DefaultGeographicCRS.WGS84;
GeodeticDatum wgs84Datum = org.geotools.referencing.datum.DefaultGeodeticDatum.WGS84;
PrimeMeridian greenwichMeridian = org.geotools.referencing.datum.DefaultPrimeMeridian.GREENWICH;
CartesianCS cartCS = org.geotools.referencing.cs.DefaultCartesianCS.GENERIC_2D;
CoordinateSystemAxis latAxis = org.geotools.referencing.cs.DefaultCoordinateSystemAxis.GEODETIC_LATITUDE;
// premadeObjects end
}
示例2: createCRSByHand2
import org.opengis.referencing.datum.PrimeMeridian; //導入依賴的package包/類
/**
* Creates a NAD 27 geographic CRS. Notice that the datum factory automatically adds aliase names to
* the datum (because "North American Datum 1927" has an entry in http://svn.geotools.org
* /geotools/trunk/gt/module/referencing/src/org/geotools/referencing/factory /DatumAliasesTable.txt
* ). Also notice that toWGS84 information (used in a datum transform) was also added to the datum.
*/
void createCRSByHand2() throws Exception {
System.out.println("------------------------------------------");
System.out.println("Creating a CRS by hand:");
// createCRSByHand2 start
CRSFactory crsFactory = ReferencingFactoryFinder.getCRSFactory(null);
DatumFactory datumFactory = ReferencingFactoryFinder.getDatumFactory(null);
CSFactory csFactory = ReferencingFactoryFinder.getCSFactory(null);
Map<String, Object> map = new HashMap<String, Object>();
map.put("name", "Clarke 1866");
Ellipsoid clark1866ellipse = datumFactory.createFlattenedSphere(map, 6378206.4,
294.978698213901, SI.METER);
PrimeMeridian greenwichMeridian = org.geotools.referencing.datum.DefaultPrimeMeridian.GREENWICH;
final BursaWolfParameters toWGS84 = new BursaWolfParameters(DefaultGeodeticDatum.WGS84);
toWGS84.dx = -3.0;
toWGS84.dy = 142;
toWGS84.dz = 183;
map.clear();
map.put("name", "North American Datum 1927");
map.put(DefaultGeodeticDatum.BURSA_WOLF_KEY, toWGS84);
GeodeticDatum clark1866datum = datumFactory.createGeodeticDatum(map, clark1866ellipse,
greenwichMeridian);
System.out.println(clark1866datum.toWKT());
// notice all of the lovely datum aliases (used to determine if two
// datums are the same)
System.out.println("Identified Datum object:");
printIdentifierStuff(clark1866datum);
map.clear();
map.put("name", "<lat>, <long>");
CoordinateSystemAxis latAxis = org.geotools.referencing.cs.DefaultCoordinateSystemAxis.GEODETIC_LATITUDE;
CoordinateSystemAxis longAxis = org.geotools.referencing.cs.DefaultCoordinateSystemAxis.GEODETIC_LONGITUDE;
EllipsoidalCS ellipsCS = csFactory.createEllipsoidalCS(map, latAxis, longAxis);
map.clear();
map.put("name", "NAD 27");
map.put("authority", "9999");
// TODO add an authority code here (should be an identifier)
GeographicCRS nad27CRS = crsFactory.createGeographicCRS(map, clark1866datum, ellipsCS);
// createCRSByHand2 end
System.out.println(nad27CRS.toWKT());
System.out.println("Identified CRS object:");
printIdentifierStuff(nad27CRS);
System.out.println("------------------------------------------");
// save for latter use in createMathTransformBetweenCRSs()
this.nad27CRS = nad27CRS;
}