frameposition.java

来自「基于Java的地图数据管理软件。使用MySQL数据库管理系统。」· Java 代码 · 共 37 行

package net.aetherial.gis.drawLine;

public class FramePosition {
  public int lat,lon;
  private String latStr,lonStr;
  private double multiple =1;//放大倍数
  private long latd,lond;
  public FramePosition() {
  }
  public void setLatAndLon(String latString,String lonString){//赋给本类，用来运算的经纬度
    this.latStr = latString;
    this.lonStr = lonString;
  }
  private void calculate(){
    latd = Math.round(Double.parseDouble(latStr)*1000*multiple);
    lond = Math.round(Double.parseDouble(lonStr)*1000*multiple);

    lat = Integer.parseInt( (latd)*(-1) + "");
    lon = Integer.parseInt( (lond ) + "");
  }
  public void zoom(double number){//这样，只要调整number的大小就可以随意的放大、缩小
    this.multiple =this.multiple*number;
  }
  public void moveLat(int y){
    this.lat =this.lat +y;
  }
  public void moveLon(int x){
    this.lat = this.lon +x;
  }
  public void setSystemLatAndLon(){

  }
  public static void main(String args[]){
    System.out.println(Integer.MAX_VALUE + "@@@@@@" +Integer.MIN_VALUE);
  }
}