studydecoratemap.java

CreateMyFirstMap

package secondstudy;
import com.mapinfo.mapj.MapJ;
import com.mapinfo.unit.LinearUnit;
import com.mapinfo.util.DoublePoint;
import com.mapinfo.util.DoubleRect;
import com.mapinfo.mapj.FeatureLayer;
import com.mapinfo.mapxtreme.client.MapXtremeImageRenderer;
import com.mapinfo.xmlprot.mxtj.ImageRequestComposer;
import java.awt.Color;
import java.awt.BorderLayout;
import java.awt.Image;
import java.awt.Graphics;
import javax.swing.JFrame;
import javax.swing.JPanel;
import java.util.List;
import java.util.ArrayList;
import com.mapinfo.dp.Attribute;
import com.mapinfo.dp.Feature;
import com.mapinfo.dp.FeatureSet;
import com.mapinfo.dp.util.RewindableFeatureSet;
import com.mapinfo.dp.Geometry;
import com.mapinfo.dp.VectorGeometry;
import com.mapinfo.dp.PointGeometry;
import com.mapinfo.unit.Distance;
import com.mapinfo.util.GeometryUtils;
import com.mapinfo.dp.util.FeatureImpl;
import com.mapinfo.dp.PrimaryKey;
import com.mapinfo.graphics.Rendition;
import com.mapinfo.graphics.RenditionImpl;
import com.mapinfo.dp.util.GeometryImpl;
import com.mapinfo.dp.annotation.AnnotationDataProviderHelper;
import com.mapinfo.dp.annotation.AnnotationTableDescHelper;
import com.mapinfo.dp.util.LocalDataProviderRef;
import com.mapinfo.theme.SelectionTheme;
import com.mapinfo.mapj.Selection;
import com.mapinfo.labeltheme.LabelThemeList;
import java.awt.Polygon;
import com.mapinfo.theme.OverrideTheme;
import com.mapinfo.dp.AttOperator;
import com.mapinfo.dp.AttTuple;
import com.mapinfo.dp.util.RewindableFeatureSet;
public class StudyDecorateMap extends JFrame
{
  private String mdfFilePath="e:\\MapInfo\\study\\mapmdf";
 private  String mdfFileName="line.mdf";
 private String mapxtremeURL="http://901-32:8083/mapxtreme47/mapxtreme";
   public static final String gifURL="http://901-32:8083/mapxtreme47/gif/car.gif";
 private MapJ mapj=null;
 private  DoublePoint pointCenter=null;
 private     FeatureLayer featureLayer=null;
// private double width;
// private double height;
  public StudyDecorateMap()
  {
    mapj=new MapJ();
    pointCenter=new DoublePoint(108.9608,34.2729);
    double width;
    double height;
    try
    {
      mapj.loadMapDefinition(mdfFilePath + "\\" + mdfFileName);
      featureLayer = (FeatureLayer) mapj.getLayers().get(0);
      featureLayer.setAutoLabel(true);
//
      DoubleRect rect = featureLayer.getBounds();
      width = rect.xmax - rect.xmin;
      height = rect.ymax - rect.ymin;
      DoubleRect bound = new DoubleRect(pointCenter, width, height);
      mapj.setDeviceBounds(new DoubleRect(0, 0, 180, 160));
      mapj.setBounds(bound);
    }catch(Exception e)
    {
      System.out.println("get a "+e.getClass() +"\nwith message "+e.getMessage() ) ;
    }

  }
public void studyDecorateByAnnotation()
  {
    try
    {
      //
      List columns=new ArrayList();
      Attribute[] attCol=new Attribute[1];
      attCol[0]=new Attribute("1t4");
       String layerName=featureLayer.getName() ;
      FeatureSet featureSet=featureLayer.searchByAttribute(columns,"name",attCol[0],null);
      RewindableFeatureSet rfSet=new RewindableFeatureSet(featureSet);
      Feature feature=rfSet.getNextFeature() ;
      Geometry geom=feature.getGeometry() ;
      Distance distance=null;
      VectorGeometry geomBuffer=null;
      Feature bufferFeature=null;
      Attribute[] featureAtt=new Attribute[1];
      featureAtt[0]=new Attribute("pkey");
      Rendition featureRend=new RenditionImpl();
      if(geom.getType() ==Geometry.TYPE_LINE )
      {
        System.out.println("type:line") ;
        geom=(VectorGeometry)geom;
        distance=new Distance(0.3,LinearUnit.kilometer );
       geomBuffer=GeometryUtils.buffer(geom,distance,4);
        // featureRend.setValue(Rendition.SYMBOL_FOREGROUND ,Color.white  );
        featureRend.setValue(Rendition.FILL ,Color.red ) ;
         bufferFeature=new FeatureImpl(new PrimaryKey(featureAtt[0]),
                         (GeometryImpl)geom,featureAtt,featureRend,null,null);
      }else if(geom.getType() ==Geometry.TYPE_POINT )
      {
        System.out.println("type:point") ;
        geom=(PointGeometry)geom;
        distance=new Distance(0.3,LinearUnit.kilometer );
        geomBuffer=GeometryUtils.buffer(geom,distance,12);
        featureRend.setValue(Rendition.SYMBOL_FOREGROUND ,Color.red );
       // featureRend.setValue(Rendition.FILL ,Color.red ) ;
        featureRend.setValue(Rendition.STROKE_WIDTH ,1f) ;
        bufferFeature=new FeatureImpl(new PrimaryKey(featureAtt[0]),
                         (GeometryImpl)geom,featureAtt,featureRend,null,null);

      }else if(geom.getType() ==Geometry.TYPE_REGION )
      {
        System.out.println("type:region") ;
      }else if(geom.getType() ==Geometry.TYPE_UNDEFINED )
      {
        System.out.println("type:undefined") ;
      }
      AnnotationTableDescHelper annTDHelper=new AnnotationTableDescHelper("highlightlayer");
      AnnotationDataProviderHelper annDPHelper=new AnnotationDataProviderHelper();
      LocalDataProviderRef localDPRef=new LocalDataProviderRef(annDPHelper);
      FeatureLayer highlightLayer=(FeatureLayer)mapj.getLayers() .insertLayer(localDPRef,annTDHelper,0,"highlightlayer");
      highlightLayer.addFeature(bufferFeature) ;

      //
      MapXtremeImageRenderer render=new MapXtremeImageRenderer(mapxtremeURL);
      ImageRequestComposer imageRC=ImageRequestComposer.create(mapj,256,Color.white,"image/png") ;
      render.render(imageRC) ;
      //render.toFile("e:\\mapinfo\\study\\png\\pointline2.png") ;
      Image img=render.toImage() ;
      DrawImage drawImage=new DrawImage(img);
      this.getContentPane() .add(drawImage,BorderLayout.CENTER );
      this.setSize(800,600) ;
      this.setVisible(true) ;
      this.show() ;
    }catch(Exception e)
    {
      System.out.println("get a "+e.getClass() +"\nwith message "+e.getMessage() ) ;
    }
  }
  public static void main(String[] args)
  {
    StudyDecorateMap sdm=new StudyDecorateMap();
    sdm.studyDecorateByAnnotation() ;
   // sdm.highlightPath() ;
  // sdm.mapWithShape() ;
  //sdm.highlightPath2() ;
  }
  public class DrawImage extends JPanel
  {
   private Image m_img;
   public DrawImage(Image img)
   {
     m_img=img;
   }
   public void paint(Graphics g)
       {
         g.drawImage(m_img,0,0,this);
       }
  }
public void highlightPath()
{
  FeatureSet featureSet=null;

  String attributeName="name";
  String attributeValue="1t4";
  Attribute attSearchValue=new Attribute(attributeValue);
  ArrayList columns=new ArrayList();
  try
  {
    columns.add(attributeName) ;
    featureSet = featureLayer.searchByAttribute(columns,
      attributeName,attSearchValue,null);//首先搜索满足条件的，根据属性名搜索，这儿指定了搜索的路线的名称
       DoublePoint center=pointCenter;
       Geometry searchGeom=null;
    if (featureSet != null)
    {
      Feature feat = featureSet.getNextFeature();
      if (feat == null) return;
      searchGeom = feat.getGeometry();
      DoubleRect dr = searchGeom.getBounds();
       center=dr.center() ;
      System.out.println("(" + dr.center().x + ", " + dr.center().y + ")");//(fs);
    }
   DoubleRect searchRect=new DoubleRect(center,0.03,0);
   featureSet=featureLayer.searchWithinRectangle(columns,searchRect,null);
   RewindableFeatureSet rfSet=new RewindableFeatureSet(featureSet);
   Feature feature=rfSet.getNextFeature() ;
   SelectionTheme selectionTheme=new SelectionTheme("lineselect");
   Selection selection=new Selection();
   featureLayer.setSelectable(true) ;
   selection.add(rfSet) ;