map2.java

遗传算法求解TSP问题

import java.awt.*;

class Map2 extends Map {
  
  public Map2 ( int xdiffini, int ydiffini  ) {
	xdiff = ydiffini;
	ydiff = ydiffini;
  }
  public void paint ( Graphics g ) {
	Dimension d = getSize();
	g.setColor (Color.white);
	g.fill3DRect( 0, 0, d.width - 1, d.height - 1, true);

	double s = World.scaling;
	g.setColor ( Color.blue );
	for ( int i = 0; i < kante_length; i ++ ) {
		g.fillRect ( (int)(s*(points[i].x)), (int)(s*(points[i].y)), (int)4, (int)4 );
	}

	for ( int a = 1; a < 10; a++ ) {
	  g.setColor ( Color.darkGray );		
	  g.drawLine ( a*(xdiff/10), 0, a*(xdiff/10), ydiff-2);
	  g.drawLine ( 0, a*(ydiff/10), xdiff-2, a*(ydiff/10) );	
	}

  }
}