selectionthemetest.java

MapXtreme 用于电子地图制作与分析

package barchant;

import java.lang.*;
import java.util.*;
import java.util.Hashtable;
import java.awt.*;
import com.mapinfo.mapj.*;
import com.mapinfo.graphics.Rendition;
import com.mapinfo.graphics.RenditionImpl;
import java.util.ArrayList;
import javax.swing.*;
import com.mapinfo.mapj.BarChartProperties;
import com.mapinfo.beans.vmapj.VisualMapJ;
import com.mapinfo.beans.tools.*;
import com.mapinfo.util.DoubleRect;
import com.mapinfo.dp.FeatureSet;
import com.mapinfo.theme.SelectionTheme;

public class SelectionThemeTest extends JFrame{
  public FeatureLayer lyr;//Feature对象用来访问地图对象
 // public ArrayList cols;
  public VisualMapJ myMap;//可管理地图集的各种状态，并向服务器转发客户请求
  //public Hashtable ht;

  public SelectionThemeTest() {
    try{
     //指上端的工具栏,工具栏默认包含几种功能，如果想添加其它功能可以看下面代码
     MapToolBar myMapToolBar=new MapToolBar();
     //在工具栏上添加新功能
     RadiusSelectionMapTool radTool =new RadiusSelectionMapTool();
     //创建地图
     myMap=new VisualMapJ();
     myMap.getMapJ().loadMapDefinition("d:\\program files\\MapInfo\\MapXtreme-4.7.0\\examples\\server\\data\\local\\world.mdf");
     lyr = (FeatureLayer)myMap.getMapJ().getLayers().getLayer("World Countries");

    // Assume layer as a FeatureLayer object
     ArrayList columns = new ArrayList();
   //  double x=12,y=-67;
     DoubleRect dp = new DoubleRect(-74,42,-73,42);
     FeatureSet fs = null;
     // Select the features at the specified location在给定位置搜索图元
     fs = lyr.searchWithinRectangle(columns, dp, null);
     // Create a SelectionTheme
     SelectionTheme selTheme = new SelectionTheme("PointSelection");
     // Create a Selection object, and add the selected features
     Selection sel = new Selection();//该类用于定义一组图元，但并不存图元本身，只是保存主键便于再次查找
     sel.add(fs);
     // Assign the Selection object to the SelectionTheme
     selTheme.setSelection(sel);
     // 定义Rendition控制图元
     Rendition rend = new RenditionImpl();
     rend.setValue(Rendition.FILL, Color.red);
     selTheme.setRendition(rend);
     // Add the SelectionTheme to the layer's list of themes
     lyr.getThemeList().add(selTheme);


  //工具栏放上端
       this.getContentPane().add(myMapToolBar,BorderLayout.NORTH);
       //地图放中间
       this.getContentPane().add(myMap,BorderLayout.CENTER);
       //图例放右边
     //  this.getContentPane().add(legend,BorderLayout.EAST);
       this.setVisible(true);
       this.show();

    }catch(Exception e){
       System.out.println("Error");
       e.printStackTrace();
     }
   }


   public static void main(String args[]){
     SelectionThemeTest bclr=new SelectionThemeTest();
   }
 }