Here is all my java code
import org.geotools.feature.SchemaException;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.map.*;
import org.geotools.referencing.CRS;
import org.geotools.referencing.crs.DefaultGeocentricCRS;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.geotools.renderer.lite.StreamingRenderer;
import org.geotools.renderer.style.IconStyle2D;
import org.geotools.resources.CRSUtilities;
import org.geotools.styling.*;
import org.geotools.swing.JMapFrame;
import org.geotools.swing.JMapPane;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.referencing.FactoryException;
import org.opengis.referencing.NoSuchAuthorityCodeException;
import org.opengis.referencing.crs.CoordinateReferenceSystem;
import org.opengis.referencing.operation.MathTransform;
import org.opengis.referencing.operation.TransformException;
public class App
{
public static void main( String[] args ) throws IOException,
FactoryRegistryException, SchemaException, ClassNotFoundException, Exception
{
App app=new App();
Map params= new HashMap();
params.put("dbtype", "postgis");
params.put("host", "localhost");
params.put("port", "5432");
params.put("database", "gis");
params.put("user", "arnauld");
params.put("passwd","root");
//params.put(PostgisDataStoreFactory.LOOSEBBOX, "true" );
params.put(PostgisDataStoreFactory.SCHEMA.key, "public" );
DataStore pgDatastore = DataStoreFinder.getDataStore(params);
FeatureSource osmline = pgDatastore.getFeatureSource("planet_osm_line");
FeatureSource osmpoint = pgDatastore.getFeatureSource("planet_osm_point");
FeatureSource
osmpolygon=pgDatastore.getFeatureSource("planet_osm_polygon");
FeatureSource osmroad=pgDatastore.getFeatureSource("planet_osm_roads");
StyleBuilder sb= new StyleBuilder();
///Style des lignes
LineSymbolizer line= sb.createLineSymbolizer(Color.yellow,4);
Style style=sb.createStyle(line);
MapContext map=new DefaultMapContext();
CoordinateReferenceSystem crs=CRS.decode("EPSG:4326",true);
//CoordinateReferenceSystem crs=DefaultGeographicCRS.WGS84;
ReferencedEnvelope re=new ReferencedEnvelope(10.1602292,
10.1741338,36.8468991,36.853853199999996, crs);
map.setCoordinateReferenceSystem(crs);
map.setAreaOfInterest(re);
map.setTitle("Carte géographique de menzah 6");
map.addLayer(osmline.getFeatures(),null);
map.addLayer(osmpoint.getFeatures(),null);
map.addLayer(osmroad.getFeatures(),null);
map.addLayer(osmpolygon.getFeatures(), stylepolygon);
GeometryFactory geo=new GeometryFactory();
Coordinate coord2 = new Coordinate(1131439.2747,4418792.6636);
Coordinate coord3 = new Coordinate(1131081.0001,4418731.4201);
Coordinate coord1 = new Coordinate(1131270.8550,4418856.9693);
Coordinate[] coord={coord3,coord1,coord2};
LineString lines =geo.createLineString(coord);
SimpleFeatureType
type=DataUtilities.createType("line","centerline:LineString:srid=4326,name:String");
FeatureCollection<SimpleFeatureType, SimpleFeature> fcline =
FeatureCollections.newCollection();
SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(type);
featureBuilder.add(lines);
SimpleFeature feature = featureBuilder.buildFeature(null);
fcline.add(feature);
map.addLayer(fcline, style);
JMapFrame frame =new JMapFrame(map);
frame.enableStatusBar(true);
frame.enableToolBar(true);
frame.setSize(700,700);
frame.setVisible(true);
This code draw line fine on the map.
But in my file .xml i have rather this kind of data:
<bounds minlat='36.8468991' minlon='10.1602292' maxlat='36.853853199999996'
maxlon='10.1741338' origin='CGImap 0.0.2' />
<node id='243997182' timestamp='2008-01-29T14:58:17Z' uid='22060'
user='chrischan' visible='true' version='1' changeset='708944' lat='36.8570917'
lon='10.1670734' />
<node id='243997183' timestamp='2008-01-29T14:58:17Z' uid='22060'
user='chrischan' visible='true' version='1' changeset='708944' lat='36.8554984'
lon='10.1685669' />
<node id='243997185' timestamp='2009-05-12T23:28:34Z' uid='123321'
user='Hatem' visible='true' version='2' changeset='1170291' lat='36.8536855'
lon='10.1699434' />
When i construct the coordinate with x=lon and y=lat, my line don't draw on a
JMapframe interface.
How can i do to use without problem the lat and lon which are in my .xml file???
Ndefo Kamgne Arnauld
Cité Ettayour,Immeuble Bolbol 1,Appartement A2,Ariana
0021624249357
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