3 import java.text.ParseException;
5 public class Complementation {
6 public static final Double R = (6378137D + 6356752.314D)/2D; // 6367444.657m
7 //public static final double dLat = 0.00453D; // 1km距離を表す緯度(差分)
8 //public static final double dLon = 0.005588D; // 1km距離を表す経度(差分)
10 public TagTrkpt imaTag = null;
11 public TagTrkpt maeTag = null;
12 public static boolean param_GpxOutputSpeed = false;
13 public static boolean param_GpxOverwriteMagvar = false;
19 * <trkpt lat="34.976635" lon="138.466228">
21 * <magvar>359</magvar>
23 * <time>2016-07-02T08:25:18Z</time>
28 * @throws ParseException
30 public Complementation(TagTrkpt imaE, TagTrkpt maeE) throws ParseException {
31 this.imaTag = new TagTrkpt(imaE.trkpt);
33 this.maeTag = new TagTrkpt(maeE.trkpt);
38 * 緯度・経度と時間差から速度(km/h)を求める
41 public void complementationSpeed() {
42 if (imaTag.speedStr != null) {
44 Double.parseDouble(imaTag.speedStr);
46 catch (NumberFormatException e) {
47 // 数字以外なら<speed>エレメントを削除する
48 imaTag.removeElement("speed");
49 imaTag.speedStr = null;
53 if (imaTag.speedStr == null) {
54 double d = GeoDistance.calcDistHubeny(imaTag.lat, imaTag.lon, maeTag.lat, maeTag.lon);
55 String str = Double.toString((d * 3600) / (imaTag.time.getTime() - maeTag.time.getTime()));
56 int iDot = str.indexOf('.');
58 str = str.substring(0, iDot+2);
60 imaTag.appendElement("speed", str);
61 imaTag.speedStr = str;
66 * 経度(longitude)と経度から進行方向を求める
67 * @throws ParseException
69 public void complementationMagvar() throws ParseException {
70 if (imaTag.magvarStr != null) {
72 Double.parseDouble(imaTag.magvarStr);
74 catch (NumberFormatException e) {
75 // 数字以外なら<magvar>エレメントを削除する
76 imaTag.removeElement("magvar");
77 imaTag.magvarStr = null;
81 if (imaTag.magvarStr == null) {
82 Double r = Math.cos(Math.toRadians((imaTag.lat + maeTag.lat) / 2)) * R;
83 Double x = Math.toRadians(imaTag.lon - maeTag.lon) * r;
84 Double y = Math.toRadians(imaTag.lat - maeTag.lat) * R;
85 double rad = Math.toDegrees(Math.atan2(y, x));
92 rad = 360 - (rad - 90);
104 String str = Double.toString(rad);
105 int iDot = str.indexOf('.');
107 str = str.substring(0, iDot);
109 imaTag.appendElement("magvar", str);
110 imaTag.magvarStr = str;