地図ｐ - 経済統計練習帳

package map;
 
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
 
 
public class pro {
 
    double[][] lon=new double[5000][11];
   double[][] lat=new double[5000][11];
     String[] city=new String[50000];
 
      int datanumber;
String[] data=new String[50000];
 int[] point=new int[5000];
 int[] pointx=new int[5000];
 
 String[] code=new String[5000];
 
    public static void main(String[] args) {
        pro te=new pro();
    }
 
 
    pro(){
 
    readx("map.csv");
 
    int s,number;
 
    number=0;
 
   for(s=2;s<datanumber+1;s++){
    String[] x=data[s].split(",");    
    int n=Integer.parseInt(x[0]); 
    int m=Integer.parseInt(x[2]);
    lon[n][m]=Double.parseDouble(x[3]);
        lat[n][m]=Double.parseDouble(x[4]);
        city[n]=x[1];
        if(city[n].length()<5)city[n]="0"+city[n];
   number=n;
   }
 
   System.out.println(number);
 
 
 
    readx("data.csv");
 
     for(s=2;s<datanumber+1;s++){
 data[s]=rev_csv(data[s]);
 String[] x=data[s].split(",");
 code[s]=x[0].substring(0,5);
pointx[s]=Integer.parseInt(x[5]);
 
     }
 
     int sx;
     for(s=1;s<number+1;s++){
     for(sx=2;sx<datanumber+1;sx++){
     if(city[s].equals(code[sx]))point[s]=pointx[sx];
     }
     }
 
 
 
 
 
 
  graph sub=new graph();
        sub.lonx=lon;
        sub.latx=lat;
        sub.dicnumber=number;
        sub.point=point;
        sub.makedata("delta.jpg");
 
 
 
 
 
 
 
 
 
 
 
 
 
 
    }
  String rev_csv(String str){
 
        String str5=str;
        int px=str5.indexOf("\"");
 
 
 
        while(px>-1){
       str5=rev(str5);
       px=str5.indexOf("\"");   
        }
        return str5;
    }
 
    String rev(String str){
 
        int p1=str.indexOf("\"");
        int p2=str.indexOf("\"",p1+1);
 
     String str1=str.substring(0,p1);   
        String str2=str.substring(p1+1,p2);  
        String str3=str.substring(p2+1,str.length());
        str2=str2.replace(",","");
 
        return str1+str2+str3;
 
    }
 
 
     void readx(String file){
 
String str;
BufferedReader br;  
int s;
s=0;
try {
br = new BufferedReader(new InputStreamReader(new FileInputStream(file),"UTF-8"));  
while((str = br.readLine()) != null) {  
s=s+1;
data[s]=str;  
}
br.close();
} catch (IOException e) {System.out.println(e);}  
 
datanumber=s;
 
} 
 
 
 
}
 
 
 
 
package map;
 
import java.awt.Polygon;
import java.awt.*; 
import java.awt.Color;   
import java.awt.image.*;   
import java.awt.image.BufferedImage;   
import java.io.*;   
import javax.imageio.ImageIO;   
import java.awt.Polygon;
import java.util.HashMap;
 
class graph{
 
 
       int number_adm;
    int h=700;
    int w=700;
 
 
 
String maxg;  
 
 
 
 
 double z;
 
 int dicnumber;
 String[] dic=new String[20000];
  double[][] lonx=new double[5000][501];
   double[][] latx=new double[5000][501];
     int[] point=new int[6000];
 
 
void makedata(String file){
 
    int w1,h1,mx,nx;
 
 
w1=700;
h1=700;    
BufferedImage off = new BufferedImage(w1, h1, BufferedImage.TYPE_INT_BGR);   
Graphics offsc = off.getGraphics();  
 
offsc.setColor(Color.WHITE);
offsc.fillRect(0,0,700,700);
 
double maxy,maxx,minx,miny;
maxy=0;
maxx=0;
int sx,s;
for(s=1;s<dicnumber+1;s++){
for(sx=1;sx<11;sx++){
if(lonx[s][sx]>maxy)maxy=lonx[s][sx];
if(latx[s][sx]>maxx)maxx=latx[s][sx];
}}
 
minx=99999;
miny=99999;
for(s=1;s<dicnumber+1;s++){
for(sx=1;sx<11;sx++){
if(lonx[s][sx]<miny)miny=lonx[s][sx];
if(latx[s][sx]<minx)minx=latx[s][sx];
}}
 
int x1,y1;
 
for(s=1;s<dicnumber+1;s++){
int[] px=new int[600];
int[] py=new int[600];
 
for(sx=1;sx<11;sx++){
px[sx-1]=(int)(500*(latx[s][sx]-minx)/(maxx-minx));
py[sx-1]=500-(int)((500*(lonx[s][sx]-miny)/(maxy-miny)));
}
 
offsc.setColor(Color.BLUE); 
if(point[s]>300000)offsc.setColor(Color.GREEN); 
if(point[s]>330000)offsc.setColor(Color.YELLOW); 
if(point[s]>360000)offsc.setColor(Color.ORANGE); 
if(point[s]>390000)offsc.setColor(Color.PINK);
if(point[s]>420000)offsc.setColor(Color.RED);
Polygon po = new Polygon(px,py,10);
offsc.fillPolygon(po);
}
 
offsc.dispose(); 
 
try { 
ImageIO.write(off, "jpeg", new File(file)); 
} catch (IOException exception) { exception.printStackTrace(); }     
}   
 
}