SuperMap iObjects Java中用json数据或字符串数据生成点数据集

曾经终败给现在 2021-09-30 16:10 419阅读 0赞

此Demo实现的功能有：

**1，根据已知的工作空间路径去打开对应的数据源及数据集**

**2，解析json数据**

**3，新建数据集**

**4，添加字段，并给记录的字段赋值**

**5，String.Split（）的使用**

注意：下面的“PointDatasets.smwu”工作空间是自己新建的，并不是用代码生成的。

![20190807191523252.png][]

//创建原始点数据集
    	public static void BuildPoint_Original(String paramsStr){
    		double z0=0;
    		double z1=0;
    		double z2=0;
    		JSONObject jsonObject=JSONObject.parseObject(paramsStr);
    		System.out.println(jsonObject);
    		
    		// 根据获取的工作空间路径去打开对应的数据源及数据集
    		WorkspaceConnectionInfo workspaceConnectionInfo = new WorkspaceConnectionInfo();
    		//E:\LiJiangSuperMapPractice\2019_8_7\PointDatasets\PointDatasets.smwu
    		workspaceConnectionInfo.server = "E://LiJiangSuperMapPractice//2019_8_7//PointDatasets//PointDatasets.smwu";
    		workspaceConnectionInfo.type = String.valueOf(WorkspaceType.SMWU);
    		Object obj = new Object();
    		Workspace ds = WorkspaceContainer.get(workspaceConnectionInfo, obj);
    		Datasource mDatasource = ds.getDatasources().get("Points");
    		
    		// 起点
    		JSONObject startjson = jsonObject.getJSONObject("startPoint");	
    		System.out.println("startjson:"+startjson);
    		double startPointX =Double.parseDouble(startjson.getString("x")) ;
    		double startPointY =Double.parseDouble(startjson.getString("y")) ;
    		String startPointF = startjson.getString("floorid");
    		String startPointB = startjson.getString("buildingid");
    		System.out.println(startPointX+" "+startPointY+" "+startPointF+" "+startPointB);
    		
    		Point3Ds startEndPoint3Ds = new Point3Ds();
    		PathAnalysisTools pathAnalysisTools=new PathAnalysisTools();
    
    		if (startPointF == "" || startPointB == "") {
    			z0 = 0;
    		} 
    //		else {
    //			// 获取floorid对应的高度
    //			z0 =pathAnalysisTools. getPointHeight(mDatasource, startPointF,startPointB);
    //		}
    		startEndPoint3Ds.add(new Point3D(startPointX,startPointY,z0));
    		// 途经点
    		com.alibaba.fastjson.JSONArray wayPoints=jsonObject .getJSONArray("wayPoints");
    		
    		if (wayPoints.size() > 0) {
    			for (int i = 0; i < wayPoints.size(); i++) {
    				JSONObject wayPoint = wayPoints.getJSONObject(i);
    				double wayPointX =Double.parseDouble( wayPoint.getString("x"));
    				double wayPointY =Double.parseDouble( wayPoint.getString("y"));
    				String wayPointF = wayPoint.getString("floorid");
    				String wayPointB = wayPoint.getString("buildingid");
    
    				if (wayPointF == "" || wayPointB == "") {
    					z2=0;
    				} 
    //				else {
    //					z2 =pathAnalysisTools. getPointHeight(mDatasource, wayPointF, wayPointB);
    //				}
    				startEndPoint3Ds.add(new Point3D(wayPointX, wayPointY, z2));
    			}
    		} else {
    			System.out.println("没有途径点");
    		}
    
    		// 终点
    		JSONObject endjson = jsonObject.getJSONObject("endPoint");	
    		System.out.println("startjson:"+endjson);
    		double endPointX = Double.parseDouble(endjson.getString("x"));
    		double endPointY =Double.parseDouble( endjson.getString("y"));
    		String endPointF = endjson.getString("floorid");
    		String endPointB = endjson.getString("buildingid");
    		
    		Point2D endpoint = null;
    		if (endPointF == "" || endPointB == "") {
                z1=0;
    		} 
    //		else {
    //			z1 =pathAnalysisTools. getPointHeight(mDatasource, endPointF, endPointB);
    //			
    //		}
    		startEndPoint3Ds.add(new Point3D(endPointX,endPointY, z1));
    
    		//创建原始点数据集
            Datasets datasetspoint = mDatasource.getDatasets();
    	    String namepoint = datasetspoint.getAvailableDatasetName("0807原始点");
    		DatasetVectorInfo datasetVectorInfopoint = new DatasetVectorInfo();
    		datasetVectorInfopoint.setType(DatasetType.POINT);
    		datasetVectorInfopoint.setEncodeType(EncodeType.NONE);
    		datasetVectorInfopoint.setFileCache(true);
    		datasetVectorInfopoint.setName(namepoint); 
            System.out.println("点数据集的信息为：" + datasetVectorInfopoint.toString());
            DatasetVector datasetVectorpoint = datasetspoint.create(datasetVectorInfopoint);
            if (datasetVectorpoint != null) {
                System.out.println(datasetVectorpoint.getName() + "数据集创建成功！");
            }
            
            //添加字段“Name”
            FieldInfos fieldInfos= datasetVectorpoint.getFieldInfos();
            FieldInfo fieldInfo=new FieldInfo();
            fieldInfo.setType(FieldType.TEXT);
            fieldInfo.setName("Name");
            fieldInfo.setCaption("Name");
            fieldInfo.setRequired(false);
            fieldInfos.add(fieldInfo);
            
            //这里写入的都是原始点
            Recordset rspoint=datasetVectorpoint.getRecordset(false, CursorType.DYNAMIC); 
            for(int i=0;i<startEndPoint3Ds.getCount();i++){
            	GeoPoint geoPoint=new GeoPoint(startEndPoint3Ds.getItem(i).getX(),startEndPoint3Ds.getItem(i).getY());
            	rspoint.addNew(geoPoint);
            	
            	if(geoPoint.getX()==114.058411717415&&geoPoint.getY()==22.6556003093719){
            		rspoint.setString("Name", "起点");
            	}else if(geoPoint.getX()==114.058422446251&&geoPoint.getY()==22.658674120903){
            		rspoint.setString("Name", "终点");
            	}else{
            		rspoint.setString("Name", "途经点"+i);
            	}
            	
            	rspoint.update();
            }	
           
    	}

//创建邻近点数据集
    	public static void BuildPoint_LinJin(String paramsStr){
    		
    		// 根据获取的工作空间路径去打开对应的数据源及数据集
    		WorkspaceConnectionInfo workspaceConnectionInfo = new WorkspaceConnectionInfo();
    		workspaceConnectionInfo.server = "E://LiJiangSuperMapPractice//2019_8_7//PointDatasets//PointDatasets.smwu";
    		workspaceConnectionInfo.type = String.valueOf(WorkspaceType.SMWU);
    		Object obj = new Object();
    		Workspace ds = WorkspaceContainer.get(workspaceConnectionInfo, obj);
    		Datasource mDatasource = ds.getDatasources().get("Points");
    		
    		//分割字符串
    		String[] strs =paramsStr.split(";");
    		for(String s:strs){
    			System.out.println(s);
    		}
    		
    		//获取三维点数组
    		Point3Ds startEndPoint3Ds = new Point3Ds();
    		Point3D point3D=null;
    		for(int i=0;i<strs.length/4;i++){
    			double x=Double.parseDouble(strs[4*i+1]);
    			double y=Double.parseDouble(strs[4*i+2]);
    			double z=Double.parseDouble(strs[4*i+3]);
    			System.out.println(x+" "+y+" "+z);
    			point3D=new Point3D(x,y,z);
    			startEndPoint3Ds.add(point3D);
    		}
    		
    		//创建邻近点数据集
            Datasets datasetspoint = mDatasource.getDatasets();
    	    String namepoint = datasetspoint.getAvailableDatasetName("0807邻近点");
    		DatasetVectorInfo datasetVectorInfopoint = new DatasetVectorInfo();
    		datasetVectorInfopoint.setType(DatasetType.POINT);
    		datasetVectorInfopoint.setEncodeType(EncodeType.NONE);
    		datasetVectorInfopoint.setFileCache(true);
    		datasetVectorInfopoint.setName(namepoint); 
            System.out.println("点数据集的信息为：" + datasetVectorInfopoint.toString());
            DatasetVector datasetVectorpoint = datasetspoint.create(datasetVectorInfopoint);
            if (datasetVectorpoint != null) {
                System.out.println(datasetVectorpoint.getName() + "数据集创建成功！");
            }
    		
          //添加字段“Name”
            FieldInfos fieldInfos= datasetVectorpoint.getFieldInfos();
            FieldInfo fieldInfo=new FieldInfo();
            fieldInfo.setType(FieldType.TEXT);
            fieldInfo.setName("Name");
            fieldInfo.setCaption("Name");
            fieldInfo.setRequired(false);
            fieldInfos.add(fieldInfo);
            
            //这里写入的都是邻近点
            Recordset rspoint=datasetVectorpoint.getRecordset(false, CursorType.DYNAMIC); 
            for(int i=0;i<startEndPoint3Ds.getCount();i++){
            	GeoPoint geoPoint=new GeoPoint(startEndPoint3Ds.getItem(i).getX(),startEndPoint3Ds.getItem(i).getY());
            	rspoint.addNew(geoPoint);
            	
            	if(geoPoint.getX()==114.05761805009169&&geoPoint.getY()==22.656038753692822){
            		rspoint.setString("Name", "起点");
            	}else if(geoPoint.getX()==114.0572506277959&&geoPoint.getY()==22.65657172715043){
            		rspoint.setString("Name", "终点");
            	}else{
            		rspoint.setString("Name", "途经点"+i);
            	}
            	
            	rspoint.update();
            }	  
    	}

测试：

public static void main(String[] args) throws Exception {
    		
    		String str_original="{\"startPoint\": { 		\"x\": 114.058422446251, 		\"y\": 22.658674120903, 		\"floorid\": \"\", 		\"buildingid\": \"\" 	}, 	\"endPoint\": { 		\"x\": 114.058411717415, 		\"y\": 22.6556003093719, 		\"floorid\": \"\", 		\"buildingid\": \"\" 	}, 	\"wayPoints\": [{ 		\"x\": 114.05873866980714, 		\"y\": 22.656075998129975, 		\"floorid\": \"\", 		\"buildingid\": \"\" 	}, { 		\"x\": 114.05775866980713, 		\"y\": 22.655075998129973, 		\"floorid\": \"\", 		\"buildingid\": \"\" 	}, { 		\"x\": 114.05871846980715, 		\"y\": 22.657475998129975, 		\"floorid\": \"\", 		\"buildingid\": \"\" 	}, { 		\"x\": 114.05671846980714, 		\"y\": 22.656455972129972, 		\"floorid\": \"\", 		\"buildingid\": \"\" 	}, { 		\"x\": 114.05891846980714, 		\"y\": 22.655067998129972, 		\"floorid\": \"\", 		\"buildingid\": \"\" 	}, { 		\"x\": 114.05771866980714, 		\"y\": 22.657455992129975, 		\"floorid\": \"\", 		\"buildingid\": \"\" 	}], 	\"Data_ServiceName\": { 		\"Data_ServiceName\": \"data-areaJ\" 	} }";
    		JsonToOriginalPointDataset.BuildPoint_Original(str_original);
    		
    		String str_linjin="起点的邻近点坐标为;114.05761805009169;22.656038753692822;0.0;终点的邻近点坐标为;114.0572506277959;22.65657172715043;0.0";
    		JsonToOriginalPointDataset.BuildPoint_LinJin(str_linjin);
    		
    	}

运行结果：

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 1][] ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 2][]

[20190807191523252.png]: /images/20210724/8f99de8b54f04b3fb2d7f07d7391a268.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70]: /images/20210724/fb6d075f423342909bd911db8a4b9fae.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 1]: https://img-blog.csdnimg.cn/20190807191339462.png?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 2]: /images/20210724/1ce3291f0df247b69a7f55062e3187fa.png