getaverage.java

基于Java的地图数据管理软件。使用MySQL数据库管理系统。

package net.aetherial.gis.baobu.GetAverage;

import java.io.File;

import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import net.aetherial.gis.publicuse.WptTrackDistance;
import net.aetherial.gis.surface.ItemValue;
import net.aetherial.gis.our.FrameOur;
import net.aetherial.gis.output.FileOperate;
import net.aetherial.gis.output.toLd.OpenDirectory;

public class GetAverage {
	 //	 获取所有县乡村道GPS文件
	public File[] getAllGPSFiles(String filePath) {
		OpenDirectory od = new OpenDirectory();
		od.setGradeStr("县道|乡道");
		File[] allFiles = od.getOpenFile(filePath);// 读取所有县道GPS文件
		return allFiles;
	}
	
	 //根据航迹获取航迹信息
	 public String []  getTrackLiChengAndValue(Node  trackNode){
		 double sumLiCheng = 0.0;
		 int trackNodeInt = 0;
		 String [] temp = new String [6];
		 NodeList wayPointS = null;
		 double tempMaxValue = 0.0;
		 double tempMinValue = 9999.0;
		 double minValue = 9999.0;
		 double maxValue = 0.0;
		 sumLiCheng = Double.parseDouble(ItemValue.getTracksStringDistance(trackNode));
		 wayPointS = ItemValue.getTracksPoint(trackNode); //获取航迹点
		 if (wayPointS != null ) 
				 trackNodeInt = wayPointS.getLength();
		 else trackNodeInt = 0;
		 Node pointNode = null;
		 Node nextPointNode = null;
		 for (int j = 0; wayPointS != null && j < wayPointS.getLength() ; j++)	{
			 pointNode = wayPointS.item(j);
				
			 if (tempMinValue > Double.parseDouble(ItemValue.getTracksPointZ(pointNode))){
					 tempMinValue = Double.parseDouble(ItemValue.getTracksPointZ(pointNode));
				 }
			 if (tempMaxValue < Double.parseDouble(ItemValue.getTracksPointZ(pointNode))){
					 tempMaxValue = Double.parseDouble(ItemValue.getTracksPointZ(pointNode));
				 }
				 
			 if (j < wayPointS.getLength()-1){
				 nextPointNode = wayPointS.item(j+1);
				 if (minValue > ItemValue.getTrackPointDistance(pointNode,nextPointNode)){
					 minValue = ItemValue.getTrackPointDistance(pointNode,nextPointNode);
				 }
		  	   if (maxValue < ItemValue.getTrackPointDistance(pointNode,nextPointNode)){
		  		    maxValue = ItemValue.getTrackPointDistance(pointNode,nextPointNode);
				 } 
		   	 }
				 
			 }
			 
			
		 
		 
		 temp[0] = "" + sumLiCheng ;  //航迹里程
		 temp[1] = "" + trackNodeInt ;//航迹点个数
		 temp[2] = "" + tempMaxValue ; //航迹上最大高度
		 temp[3] = "" + tempMinValue;  //航迹上最小高度
		 temp[4]  = "" + maxValue ; //两点最大长度
		 temp[5]  = "" + minValue ; //两点最小长度
		return temp ; 
	 }
	
	  //分县统计航点间距平均数、最大高度、最小高度
	 public void println(String filePath){
			ItemValue.setShowDialogMessage(false);
			FrameOur fo = new FrameOur();
			File [] allFiles =  getAllGPSFiles(filePath);  //分县获取县乡道GPS数据
			Node [] allTracks = null;
			double sumCount = 0.0;
			int trackNodeInt = 0;
			String [] trackInfo = null;
			double minValue = 9999.0;
			double maxValue = 0.0;
			double averageValue = 0.0;
			double tempMinValue = 9999.0;
			double tempMaxValue = 0.0;
			String headStr = "";
			String contentStr = "";
			String tempPath = filePath.replace('\\', ',');
			String[] paths = tempPath.split(",");
			String quXianName = paths[ paths.length - 1]; // 区县名
			String shiName =  paths[ paths.length - 2]; // 市名
			
			for (int i = 0; allFiles != null && i < allFiles.length ; i++){
				File myFile = allFiles[i];
			
				fo.openFile(myFile);
				allTracks = ItemValue.getTracks();
				trackNodeInt = 0;
				minValue = 9999.0;
				maxValue = 0.0;
				averageValue = 0.0;
				sumCount = 0.0;
			    tempMinValue = 9999.0;
				tempMaxValue = 0.0;
				for (int j = 0 ;allTracks != null && j < allTracks.length ; j++){
					trackInfo = getTrackLiChengAndValue(allTracks[j]);
					sumCount += Double.parseDouble(trackInfo[0]);
					trackNodeInt += Integer.parseInt(trackInfo[1]);
					
					if (maxValue < Double.parseDouble(trackInfo[2]) ){
						maxValue = Double.parseDouble(trackInfo[2]);
					}
					if (minValue > Double.parseDouble(trackInfo[3])){
						minValue = Double.parseDouble(trackInfo[3]) ;
					}
					
					if (tempMaxValue < Double.parseDouble(trackInfo[4]) ){
						tempMaxValue = Double.parseDouble(trackInfo[4]);
					}
					if (tempMinValue > Double.parseDouble(trackInfo[5])){
						tempMinValue = Double.parseDouble(trackInfo[5]) ;
					}
				}
			
			  averageValue = sumCount/trackNodeInt;   //航迹点间平均间距
			
			  contentStr += shiName + "\t" + quXianName + "\t" + myFile.getName().substring(0,4) + "\t"+  trackNodeInt + "\t" + sumCount 
			                + "\t" + averageValue + "\t" + tempMaxValue + "\t" + tempMinValue + "\t" + maxValue + "\t" + minValue + "\r\n";
			  System.out.println("\t"+  trackNodeInt + "\t" + sumCount + "\t" + averageValue +  "\t" + maxValue + "\t" + minValue );
			  
			  fo.reset();
			}
			
			headStr = "市名\t县(区)名\t路线\t航点个数\t路线里程\t航点间平均间距\t两点间最长距离\t两点间最短距离\t最大高度\t最小高度\r\n";   //标题行
			contentStr = headStr + contentStr ;  //所有内容
			
			FileOperate fileOperate = new FileOperate();
			fileOperate.newFile("e:\\统计数据\\统计结果.txt",contentStr);//输出文件
			 
		
		 
	 }
	 
	 public static void main(String [] args){
		 GetAverage ga = new GetAverage();
		 ga.println( "D:\\安徽省通达数据\\六安市\\霍山县");
		 
		 
	 }

}