vf5 - 経済統計練習帳

package delya;
 
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileInputStream;
import java.io.FileWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
 
public class pro {
 
 
 
    int s,datanumber;
    String[] data=new String[50000];
    String[] subdata=new String[50000];
     double[] lat=new double[60000];
     double[] lon=new double[60000];
int[][] point=new int[101][101];
 
 
    public static void main(String[] args) {
        pro t=new pro();
    }
    pro(){
 
readx("line.csv");
 
for(s=2;s<datanumber+1;s++){
String[] x=data[s].split(",");
lat[s-1]=num_double(x[3]);
lon[s-1]=num_double(x[4]);  
}
 
datanumber=datanumber-1;
 
 
double maxx=lat[1];
double minx=lat[1];
for(s=1;s<datanumber+1;s++){
if(lat[s]<5)lat[s]=lat[1];
if(lat[s]>maxx)maxx=lat[s];
if(lat[s]<minx)minx=lat[s];
}
 
double maxy=lon[1];
double miny=lon[1];
for(s=1;s<datanumber+1;s++){
if(lon[s]<5)lon[s]=lon[1];
if(lon[s]>maxy)maxy=lon[s];
if(lon[s]<miny)miny=lon[s];
}
 
 
for(s=1;s<datanumber+1;s++){
int x1=(int)(100*(lat[s]-minx)/(maxx-minx));
int y1=(int)(100*(lon[s]-miny)/(maxy-miny));
int h=0;
if(y1<100)h=h+1;
if(x1<100)h=h+1;
if(y1>0)h=h+1;
if(x1>0)h=h+1;
if(h==4)point[y1][x1]=100;
}
 
System.out.println(minx+","+maxx);
 
graph sub=new graph();
    sub.point=point;
    sub.makedata("map.jpg");
 
 
 
 
 }
 
      double num_double(String str){
 
    double nx;
 
    nx=0;
 
 try{
 
    nx=Double.parseDouble(str);
 
 }catch (Exception e) {}
 
 return nx;
 
 
 
}
 
 
 
       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 delya;
 
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 datanumber;
 String[] dic=new String[20000];
  double[] lon=new double[70000];
   double[] lat=new double[70000];
     int[][] point=new int[105][105];
 
 
void makedata(String file){
 
    int w1,h1,mx,nx;
 
 
w1=500;
h1=500;    
BufferedImage off = new BufferedImage(w1, h1, BufferedImage.TYPE_INT_BGR);   
Graphics offsc = off.getGraphics();  
 
offsc.setColor(Color.WHITE);
offsc.fillRect(0,0,500,500);
 
int s,sx;
offsc.setColor(Color.RED);
for(s=1;s<101;s++){
for(sx=1;sx<101;sx++){
if(point[s][sx]>50)offsc.fillRect(5*sx,500-5*s,5,5);
}}
 
offsc.dispose(); 
 
try { 
ImageIO.write(off, "jpeg", new File(file)); 
} catch (IOException exception) { exception.printStackTrace(); }     
}   
 
}