hbtempcurve.java

用于显示适时的曲线图

//<applet code=TempCurve width=600 height=400>
//<param name=winsize value="600,400">
//<param name=YMaxMin value="600,400">
//<param name=Title value="甲班1#机 1_23456 中包温度 （2003-9-10 12:34:55）">
//<param name=ValueY value="1540,1550,1560,1570,1580,1590 ">
//<param name=ValueX value="0,3,6,9,12,15 ">
//</applet>

import java.awt.*;
import java.applet.*;
import java.util.*;

public class  HBTempCurve extends Applet
{
	CurveChart Chart;
	int Width;
	int Height;
	int YMax;
	int YMin;
	public void init()
	{
		int i;
		String win_size = getParameter("winsize");
		String YMaxMin = getParameter("YMaxMin");
		//if(win_size=="") win_size = "600,400";
		//if(YMaxMin=="")  YMaxMin = "1600,1500";
		Width = Integer.parseInt(win_size.substring(0,win_size.indexOf(',')));
		Height = Integer.parseInt(win_size.substring(win_size.indexOf(',')+1));
		YMax = Integer.parseInt(YMaxMin.substring(0,YMaxMin.indexOf(',')));
		YMin = Integer.parseInt(YMaxMin.substring(YMaxMin.indexOf(',')+1));
		//Width = 600;
		//Height = 400;
		resize(Width, Height);	
		Chart = new CurveChart(this, new Point(0,0),new Point(Width,Height));
		try
		{
			Chart.setAxisVisible(true,true,false,false);
			Chart.Left.setFormat("n.0");	
			Chart.TitleColor=Color.red;
			Chart.Left.setMaxMin(YMin,YMax);
			//Chart.Left.setMaxMin(1500,1600);
			Chart.Left.setTitle("℃");
			Chart.Bottom.setTitle("分'秒");
			Chart.Bottom.setTextType(4);
			Chart.setTitle(getParameter("Title"));
			Chart.clearSeries();
			Chart.addSeries();
			getValue(Chart);
			Chart.getSeries(0).setTitle("温度");
			Chart.getSeries(0).setColor(Color.blue);
		}
		catch(Exception e)
		{
			e.printStackTrace();

		}
	}
	void getValue(CurveChart c)
	{
		Vector x = new Vector();
		Vector y = new Vector();
		int i;
		int last_i;
		String s = getParameter("ValueX");
		if(s.length()==0) return;
		for(i=0,last_i=0;i<s.length(); i++)
		{
			if(s.charAt(i)==',')
			{
				x.addElement(new Float(s.substring(last_i, i)));
				last_i = i+1;
			}
		}
		x.addElement(new Float(s.substring(last_i, s.length())));
		s = getParameter("ValueY");
		if(s.length()==0) return;
		for(i=0,last_i=0;i<s.length(); i++)
		{
			if(s.charAt(i)==',')
			{
				y.addElement(new Float(s.substring(last_i, i)));
				last_i = i+1;
			}
		}
		y.addElement(new Float(s.substring(last_i, s.length())));
		for(i=0;i<x.size();i++)
			c.getSeries(0).addValue(((Float)x.elementAt(i)).intValue(),((Float)y.elementAt(i)).intValue());
		int max=0;
		int min=0;
		for(i=0;i<x.size();i++)
		{
			max = max>((Float)x.elementAt(i)).intValue()?max:((Float)x.elementAt(i)).intValue();
			min = min<((Float)x.elementAt(i)).intValue()?min:((Float)x.elementAt(i)).intValue();
		}
		c.Bottom.setMaxMin(max,min);
	}
	
	public void paint(Graphics g) 
	{
		
		Chart.drawCurveChart(g);
	}
}