geoTools向shp文件中写数据

最新推荐文章于 2025-07-02 14:36:36 发布

转载最新推荐文章于 2025-07-02 14:36:36 发布 · 4.8k 阅读

geotools 专栏收录该内容

2 篇文章

订阅专栏

本文介绍如何使用GeoTools库创建并写入带有地理位置信息的Shapefile文件。通过定义特征类型、构造几何对象及属性，最终将数据保存到本地磁盘。此示例展示了完整的写入流程。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

package test;

import java.io.File;
import java.io.Serializable;
import java.util.HashMap;
import java.util.Map;

import org.geotools.data.DataUtilities;
import org.geotools.data.DefaultTransaction;
import org.geotools.data.Transaction;
import org.geotools.data.shapefile.ShapefileDataStore;
import org.geotools.data.shapefile.ShapefileDataStoreFactory;
import org.geotools.data.simple.SimpleFeatureCollection;
import org.geotools.data.simple.SimpleFeatureSource;
import org.geotools.data.simple.SimpleFeatureStore;
import org.geotools.feature.FeatureCollections;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.referencing.crs.DefaultGeographicCRS;
import org.junit.Test;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;

import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.GeometryFactory;
import com.vividsolutions.jts.geom.Point;

//使用geotools2.7.2
public class WriteData {
	
    @Test
    public void write2() {  
        try{    
            //定义属性  
            final SimpleFeatureType TYPE = DataUtilities.createType("Location",  
                "location:Point," + // <- the geometry attribute: Point type  
                "POIID:String," + // <- a String attribute  
                "MESHID:String," + // a number attribute  
                "OWNER:String"  
            );  
            SimpleFeatureCollection collection = FeatureCollections.newCollection();  
            GeometryFactory geometryFactory = new GeometryFactory();  
            SimpleFeatureBuilder featureBuilder = new SimpleFeatureBuilder(TYPE);  
      
            double latitude = Double.parseDouble("116.123456789");  
            double longitude = Double.parseDouble("39.120001");  
            String POIID = "2050003092";  
            String MESHID = "0";  
            String OWNER = "340881";  
            Point point = geometryFactory.createPoint(new Coordinate(longitude, latitude));  
            Object[] obj = {point, POIID, MESHID, OWNER};  
            SimpleFeature feature = featureBuilder.buildFeature(null, obj);  
            collection.add(feature);  
            feature = featureBuilder.buildFeature(null, obj);  
            collection.add(feature);  
            File newFile = new File("D:/newPoi.shp");  
            ShapefileDataStoreFactory dataStoreFactory = new ShapefileDataStoreFactory();  
            Map<String, Serializable> params = new HashMap<String, Serializable>();  
            params.put("url", newFile.toURI().toURL());  
            params.put("create spatial index", Boolean.TRUE);  
            ShapefileDataStore newDataStore = (ShapefileDataStore) dataStoreFactory.createNewDataStore(params);  
            newDataStore.createSchema(TYPE);  
            newDataStore.forceSchemaCRS(DefaultGeographicCRS.WGS84);  
      
            Transaction transaction = new DefaultTransaction("create");  
            String typeName = newDataStore.getTypeNames()[0];  
            SimpleFeatureSource featureSource = newDataStore.getFeatureSource(typeName);  
      
            if (featureSource instanceof SimpleFeatureStore) {  
                SimpleFeatureStore featureStore = (SimpleFeatureStore) featureSource;  
                featureStore.setTransaction(transaction);  
                try {  
                    featureStore.addFeatures(collection);  
                    transaction.commit();  
                } catch (Exception problem) {  
                    problem.printStackTrace();  
                transaction.rollback();  
                } finally {  
                    transaction.close();  
                }  
            } else {  
                System.out.println(typeName + " does not support read/write access");  
            }  
        } catch (Exception e) {  
            e.printStackTrace();  
        }  
    }  
}