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Java SimpleFeatureCollection.getSchema方法代碼示例

本文整理匯總了Java中org.geotools.data.simple.SimpleFeatureCollection.getSchema方法的典型用法代碼示例。如果您正苦於以下問題:Java SimpleFeatureCollection.getSchema方法的具體用法?Java SimpleFeatureCollection.getSchema怎麽用?Java SimpleFeatureCollection.getSchema使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在org.geotools.data.simple.SimpleFeatureCollection的用法示例。


在下文中一共展示了SimpleFeatureCollection.getSchema方法的1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: mergeShapeFile

import org.geotools.data.simple.SimpleFeatureCollection; //導入方法依賴的package包/類
/**
 *
 * @param layer
 * @param shpInput
 * @param transform
 * @return
 * @throws Exception
 */
public static GeometryImage mergeShapeFile(SimpleFeatureCollection collectionsLayer, File shpInput,GeoTransform transform,Polygon bbox)throws Exception {
	Map<String, Serializable> params = new HashMap<String, Serializable>();
    params.put("url", shpInput.toURI().toURL());

    //create a DataStore object to connect to the physical source
    DataStore dataStore = DataStoreFinder.getDataStore(params);

    SimpleFeatureSource shape2 = (SimpleFeatureSource) dataStore.getFeatureSource(dataStore.getTypeNames()[0]);

    SimpleFeatureCollection collectionsShape2=shape2.getFeatures();
    SimpleFeatureType schemaShape2=shape2.getSchema();

    ClipProcess clip=new ClipProcess();
    SimpleFeatureCollection fc=clip.execute(collectionsShape2, bbox,true);

    SimpleFeatureType schemaLayer=collectionsLayer.getSchema();

    //merge the schema and the types
    SimpleFeatureTypeBuilder stb = new SimpleFeatureTypeBuilder();
    stb.setName("merged_geom");
    stb.setCRS(schemaLayer.getCoordinateReferenceSystem());
    stb.addAll(schemaShape2.getAttributeDescriptors());
    stb.addAll(schemaLayer.getAttributeDescriptors());
    SimpleFeatureType newFeatureType = stb.buildFeatureType();

    //create new datastore to save the new shapefile
    FileDataStoreFactorySpi factory = new ShapefileDataStoreFactory();
    File tmp=new File(SumoPlatform.getApplication().getCachePath()+"\\tmpshape_"+System.currentTimeMillis()+".shp");
    Map<String, Serializable> params2 = new HashMap<String, Serializable>();
    params2.put("url", tmp.toURI().toURL());
    ShapefileDataStore newds=(ShapefileDataStore)factory.createNewDataStore(params2);
    GeometryImage out=null;
    try{
     newds.createSchema(newFeatureType);

     //merge the feaures
     SimpleFeatureStore mergeFeat=(SimpleFeatureStore)newds.getFeatureSource();
     mergeFeat.addFeatures(collectionsLayer);
     mergeFeat.addFeatures(fc);
     //save the new shape file
     exportToShapefile(newds, mergeFeat.getFeatures());//,newds.getSchema());

     //from here create the new GeometricLayer
     Collection<PropertyDescriptor>descriptorsMerge=new ArrayList<>();
     descriptorsMerge.addAll(schemaShape2.getDescriptors());
     descriptorsMerge.addAll(schemaLayer.getDescriptors());

     String[] schema = createSchema(descriptorsMerge);
     String[] types = createTypes(descriptorsMerge);


     String geoName = schemaLayer.getGeometryDescriptor().getType().getName().toString();
     out=GeometryImage.createLayerFromFeatures(geoName, newds, mergeFeat.getFeatures(), schema, types,true,transform);
     //out = GeometricLayer.createImageProjectedLayer(out, transform,null);
     out.setName("merge_"+shpInput.getName()+"_"+LayerManager.getIstanceManager().getCurrentImageLayer().getName());
    }finally{
    	if(newds!=null)
    		newds.dispose();
    }
    return out;
}
 
開發者ID:ec-europa,項目名稱:sumo,代碼行數:70,代碼來源:SimpleShapefile.java


注:本文中的org.geotools.data.simple.SimpleFeatureCollection.getSchema方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。