earthposition.java

来自「这是一个手机上的J2ME程序」· Java 代码 · 共 46 行

// J2ME Compass
// Copyright (C) 2006 Dana Peters
// http://www.qcontinuum.org/compass

package org.qcontinuum.astro;

import henson.midp.Float;

public class EarthPosition {

    private Float mLatitude;
    private Float mLongitude;

    public EarthPosition(int latMinutes, int longMinutes) {
        mLatitude = new Float(latMinutes).Div(60);
        mLongitude = new Float(longMinutes).Div(60);
    }

    public EarthPosition(int latDegrees, int latMinutes, int longDegrees, int longMinutes) {
        mLatitude = new Float(latDegrees).Add(new Float(latMinutes).Div(latDegrees < 0 ? -60 : 60));
        mLongitude = new Float(longDegrees).Add(new Float(longMinutes).Div(longDegrees < 0 ? -60 : 60));
    }

    public EarthPosition(Float latitude, Float longitude) {
        mLatitude = latitude;
        mLongitude = longitude;
    }
    
    public int latTotalMinutes() {
        return (int)Float.Int(mLatitude.Mul(60)).toLong();
    }
    
    public int longTotalMinutes() {
        return (int)Float.Int(mLongitude.Mul(60)).toLong();
    }

    public Float getLatitude() {
        return mLatitude;
    }
    
    public Float getLongitude() {
        return mLongitude;
    }

    public String latString() {
        return Math.abs(latTotalMinutes() / 60) + "