/*
* Author: Sami Salkosuo, sami.salkosuo@fi.ibm.com
*
* (c) Copyright IBM Corp. 2007
*/
package com.ibm.util;
import java.util.Hashtable;
import java.util.Map;
@SuppressWarnings("unused")
public class CoordinateConversion {
public static void main(String[] args) {
CoordinateConversion cc = new CoordinateConversion();
double[] coords = cc.utm2LatLon("29 0 302881.28125 704585.9375");
System.out.println(coords[0] + "/" + coords[1]);
}
public CoordinateConversion() {
}
public double[] utm2LatLon(String UTM) {
UTM2LatLon c = new UTM2LatLon();
return c.convertUTMToLatLong(UTM);
}
public String latLon2UTM(double latitude, double longitude) {
LatLon2UTM c = new LatLon2UTM();
return c.convertLatLonToUTM(latitude, longitude);
}
private void validate(double latitude, double longitude) {
if (latitude < -90.0 || latitude > 90.0 || longitude < -180.0
|| longitude >= 180.0) {
throw new IllegalArgumentException(
"Legal ranges: latitude [-90,90], longitude [-180,180).");
}
}
public String latLon2MGRUTM(double latitude, double longitude) {
LatLon2MGRUTM c = new LatLon2MGRUTM();
return c.convertLatLonToMGRUTM(latitude, longitude);
}
public double[] mgrutm2LatLon(String MGRUTM) {
MGRUTM2LatLon c = new MGRUTM2LatLon();
return c.convertMGRUTMToLatLong(MGRUTM);
}
public double degreeToRadian(double degree) {
return degree * Math.PI / 180;
}
public double radianToDegree(double radian) {
return radian * 180 / Math.PI;
}
private double POW(double a, double b) {
return Math.pow(a, b);
}
private double SIN(double value) {
return Math.sin(value);
}
private double COS(double value) {
return Math.cos(value);
}
private double TAN(double value) {
return Math.tan(value);
}
private class LatLon2UTM {
public String convertLatLonToUTM(double latitude, double longitude) {
validate(latitude, longitude);
String UTM = "";
setVariables(latitude, longitude);
String longZone = getLongZone(longitude);
LatZones latZones = new LatZones();
String latZone = latZones.getLatZone(latitude);
double _easting = getEasting();
double _northing = getNorthing(latitude);
UTM = longZone + " " + latZone + " " + ((int) _easting) + " "
+ ((int) _northing);
// UTM = longZone + " " + latZone + " " +
// decimalFormat.format(_easting) +
// " "+ decimalFormat.format(_northing);
return UTM;
}
protected void setVariables(double latitude, double longitude) {
latitude = degreeToRadian(latitude);
rho = equatorialRadius * (1 - e * e)
/ POW(1 - POW(e * SIN(latitude), 2), 3 / 2.0);
nu = equatorialRadius
/ POW(1 - POW(e * SIN(latitude), 2), (1 / 2.0));
double var1;
if (longitude < 0.0) {
var1 = ((int) ((180 + longitude) / 6.0)) + 1;
} else {
var1 = ((int) (longitude / 6)) + 31;
}
double var2 = (6 * var1) - 183;
double var3 = longitude - var2;
p = var3 * 3600 / 10000;
S = A0 * latitude - B0 * SIN(2 * latitude) + C0 * SIN(4 * latitude)
- D0 * SIN(6 * latitude) + E0 * SIN(8 * latitude);
K1 = S * k0;
K2 = nu * SIN(latitude) * COS(latitude) * POW(sin1, 2) * k0
* (100000000) / 2;
K3 = ((POW(sin1, 4) * nu * SIN(latitude) * Math.pow(COS(latitude),
3)) / 24)
* (5 - POW(TAN(latitude), 2) + 9 * e1sq
* POW(COS(latitude), 2) + 4 * POW(e1sq, 2)
* POW(COS(latitude), 4))
* k0
* (10000000000000000L);
K4 = nu * COS(latitude) * sin1 * k0 * 10000;
K5 = POW(sin1 * COS(latitude), 3)
* (nu / 6)
* (1 - POW(TAN(latitude), 2) + e1sq * POW(COS(latitude), 2))
* k0 * 1000000000000L;
A6 = (POW(p * sin1, 6) * nu * SIN(latitude) * POW(COS(latitude), 5) / 720)
* (61 - 58 * POW(TAN(latitude), 2) + POW(TAN(latitude), 4)
+ 270 * e1sq * POW(COS(latitude), 2) - 330 * e1sq
* POW(SIN(latitude), 2)) * k0 * (1E+24);
}
protected String getLongZone(double longitude) {
double longZone = 0;
if (longitude < 0.0) {
longZone = ((180.0 + longitude) / 6) + 1;
} else {
longZone = (longitude / 6) + 31;
}
String val = String.valueOf((int) longZone);
if (val.length() == 1) {
val = "0" + val;
}
return val;
}
protected double getNorthing(double latitude) {
double northing = K1 + K2 * p * p + K3 * POW(p, 4);
if (latitude < 0.0) {
northing = 10000000 + northing;
}
return northing;
}
protected double getEasting() {
return 500000 + (K4 * p + K5 * POW(p, 3));
}
// Lat Lon to UTM variables
// equatorial radius
double equatorialRadius = 6378137;
// polar radius
double polarRadius = 6356752.314;
// flattening
double flattening = 0.00335281066474748;// (equatorialRadius-polarRadius)/equatorialRadius;
// inverse flattening 1/flattening
double inverseFlattening = 298.257223563;// 1/flattening;
// Mean radius
double rm = POW(equatorialRadius * polarRadius, 1 / 2.0);
// scale factor
double k0 = 0.9996;
// eccentricity
double e = Math.sqrt(1 - POW(polarRadius / equatorialRadius, 2));
double e1sq = e * e / (1 - e * e);
double n = (equatorialRadius - polarRadius)
/ (equatorialRadius + polarRadius);
// r curv 1
double rho = 6368573.744;
// r curv 2
double nu = 6389236.914;
// Calculate Meridional Arc Length
// Meridional Arc
double S = 5103266.421;
double A0 = 6367449.146;
double B0 = 16038.42955;
double C0 = 16.83261333;
double D0 = 0.021984404;
double E0 = 0.000312705;
// Calculation Constants
// Delta Long
double p = -0.483084;
double sin1 = 4.84814E-06;
// Coefficients for UTM Coordinates
double K1 = 5101225.115;
double K2 = 3750.291596;
double K3 = 1.397608151;
double K4 = 214839.3105;
double K5 = -2.995382942;
double A6 = -1.00541E-07;
}
private class LatLon2MGRUTM extends LatLon2UTM {
public String convertLatLonToMGRUTM(double latitude, double longitude) {
validate(latitude, longitude);
String mgrUTM = "";
setVariables(latitude, longitude);
String longZone = getLongZone(longitude);
LatZones latZones = new LatZones();
String latZone = latZones.getLatZone(latitude);
double _easting = getEasting();
double _northing = getNorthing(latitude);
Digraphs digraphs = new Digraphs();
String digraph1 = digraphs.getDigraph1(Integer.parseInt(longZone),
_easting);
String digraph2 = digraphs.getDigraph2(Integer.parseInt(longZone),
_northing);
String easting = String.valueOf((int) _easting);
if (easting.length() < 5) {
easting = "00000" + easting;
}
easting = easting.substring(easting.length() - 5);
String northing;
northing = String.valueOf((int) _northing);
if (northing.length() < 5) {
northing = "0000" + northing;
}
northing = northing.substring(northing.length() - 5);
mgrUTM = longZone + latZone + digraph1 + digraph2 + easting
+ northing;
return mgrUTM;
}
}
private class MGRUTM2LatLon extends UTM2LatLon {
public double[] convertMGRUTMToLatLong(String mgrutm) {
double[] latlon = {
0.0, 0.0
};
// 02CNR0634657742
int zone = Integer.parseInt(mgrutm.substring(0, 2));
String latZone = mgrutm.substring(2, 3);
String digraph1 = mgrutm.substring(3, 4);
String digraph2 = mgrutm.substring(4, 5);
easting = Double.parseDouble(mgrutm.substring(5, 10));
northing = Double.parseDouble(mgrutm.substring(10, 15));
LatZones lz = new LatZones();
double latZoneDegree = lz.getLatZoneDegree(latZone);
double a1 = latZoneDegree * 40000000 / 360.0;
double a2 = 2000000 * Math.floor(a1 / 2000000.0);
Digraphs digraphs = new Digraphs();
double digraph2Index = digraphs.getDigraph2Index(digraph2);
double startindexEquator = 1;
if ((1 + zone % 2) == 1) {
startindexEquator = 6;
}
double a3 = a2 + (digraph2Index - startindexEquator) * 100000;
if (a3 <= 0) {
a3 = 10000000 + a3;
}
northing = a3 + northing;
zoneCM = -183 + 6 * zone;
double digraph1Index = digraphs.getDigraph1Index(digraph1);
int a5 = 1 + zone % 3;
double[] a6 = {
16, 0, 8
};
double a7 = 100000 * (digraph1Index - a6[a5 - 1]);
easting = easting + a7;
setVariables();
double latitude = 0;
latitude = 180 * (phi1 - fact1 * (fact2 + fact3 + fact4)) / Math.PI;
if (latZoneDegree < 0) {
latitude = 90 - latitude;
}
double d = _a2 * 180 / Math.PI;
double longitude = zoneCM - d;
if (getHemisphere(latZone).equals("S")) {
latitude = -latitude;
}
latlon[0] = latitude;
latlon[1] = longitude;
return latlon;
}
}
private class UTM2LatLon {
double easting;
double northing;
int zone;
String southernHemisphere = "ACDEFGHJKLM";
protected String getHemisphere(String latZone) {
String hemisphere = "N";
if (southernHemisphere.indexOf(latZone) > -1) {
hemisphere = "S";
}
return hemisphere;
}
public double[] convertUTMToLatLong(String UTM) {
double[] latlon = {
0.0, 0.0
};
String[] utm = UTM.split(" ");
zone = Integer.parseInt(utm[0]);
String latZone = utm[1];
easting = Double.parseDouble(utm[2]);
northing = Double.parseDouble(utm[3]);
String hemisphere = getHemisphere(latZone);
double latitude = 0.0;
double longitude = 0.0;
if (hemisphere.equals("S")) {
northing = 10000000 - northing;
}
setVariables();
latitude = 180 * (phi1 - fact1 * (fact2 + fact3 + fact4)) / Math.PI;
if (zone > 0) {
zoneCM = 6 * zone - 183.0;
} else {
zoneCM = 3.0;
}
longitude = zoneCM - _a3;
if (hemisphere.equals("S")) {
latitude = -latitude;
}
latlon[0] = latitude;
latlon[1] = longitude;
return latlon;
}
protected void setVariables() {
arc = northing / k0;
mu = arc
/ (a * (1 - POW(e, 2) / 4.0 - 3 * POW(e, 4) / 64.0 - 5 * POW(
e, 6) / 256.0));
ei = (1 - POW((1 - e * e), (1 / 2.0)))
/ (1 + POW((1 - e * e), (1 / 2.0)));
ca = 3 * ei / 2 - 27 * POW(ei, 3) / 32.0;
cb = 21 * POW(ei, 2) / 16 - 55 * POW(ei, 4) / 32;
cc = 151 * POW(ei, 3) / 96;
cd = 1097 * POW(ei, 4) / 512;
phi1 = mu + ca * SIN(2 * mu) + cb * SIN(4 * mu) + cc * SIN(6 * mu)
+ cd * SIN(8 * mu);
n0 = a / POW((1 - POW((e * SIN(phi1)), 2)), (1 / 2.0));
r0 = a * (1 - e * e)
/ POW((1 - POW((e * SIN(phi1)), 2)), (3 / 2.0));
fact1 = n0 * TAN(phi1) / r0;
_a1 = 500000 - easting;
dd0 = _a1 / (n0 * k0);
fact2 = dd0 * dd0 / 2;
t0 = POW(TAN(phi1), 2);
Q0 = e1sq * POW(COS(phi1), 2);
fact3 = (5 + 3 * t0 + 10 * Q0 - 4 * Q0 * Q0 - 9 * e1sq)
* POW(dd0, 4) / 24;
fact4 = (61 + 90 * t0 + 298 * Q0 + 45 * t0 * t0 - 252 * e1sq - 3
* Q0 * Q0)
* POW(dd0, 6) / 720;
//
lof1 = _a1 / (n0 * k0);
lof2 = (1 + 2 * t0 + Q0) * POW(dd0, 3) / 6.0;
lof3 = (5 - 2 * Q0 + 28 * t0 - 3 * POW(Q0, 2) + 8 * e1sq + 24 * POW(
t0, 2)) * POW(dd0, 5) / 120;
_a2 = (lof1 - lof2 + lof3) / COS(phi1);
_a3 = _a2 * 180 / Math.PI;
}
double arc;
double mu;
double ei;
double ca;
double cb;
double cc;
double cd;
double n0;
double r0;
double _a1;
double dd0;
double t0;
double Q0;
double lof1;
double lof2;
double lof3;
double _a2;
double phi1;
double fact1;
double fact2;
double fact3;
double fact4;
double zoneCM;
double _a3;
double b = 6356752.314;
double a = 6378137;
double e = 0.081819191;
double e1sq = 0.006739497;
double k0 = 0.9996;
}
private class Digraphs {
private Map<Integer, String> digraph1 = new Hashtable<Integer, String>();
private Map<Integer, String> digraph2 = new Hashtable<Integer, String>();
private String[] digraph1Array = {
"A", "B", "C", "D", "E", "F", "G",
"H", "J", "K", "L", "M", "N", "P", "Q", "R", "S", "T", "U",
"V", "W", "X", "Y", "Z"
};
private String[] digraph2Array = {
"V", "A", "B", "C", "D", "E", "F",
"G", "H", "J", "K", "L", "M", "N", "P", "Q", "R", "S", "T",
"U", "V"
};
public Digraphs() {
digraph1.put(new Integer(1), "A");
digraph1.put(new Integer(2), "B");
digraph1.put(new Integer(3), "C");
digraph1.put(new Integer(4), "D");
digraph1.put(new Integer(5), "E");
digraph1.put(new Integer(6), "F");
digraph1.put(new Integer(7), "G");
digraph1.put(new Integer(8), "H");
digraph1.put(new Integer(9), "J");
digraph1.put(new Integer(10), "K");
digraph1.put(new Integer(11), "L");
digraph1.put(new Integer(12), "M");
digraph1.put(new Integer(13), "N");
digraph1.put(new Integer(14), "P");
digraph1.put(new Integer(15), "Q");
digraph1.put(new Integer(16), "R");
digraph1.put(new Integer(17), "S");
digraph1.put(new Integer(18), "T");
digraph1.put(new Integer(19), "U");
digraph1.put(new Integer(20), "V");
digraph1.put(new Integer(21), "W");
digraph1.put(new Integer(22), "X");
digraph1.put(new Integer(23), "Y");
digraph1.put(new Integer(24), "Z");
digraph2.put(new Integer(0), "V");
digraph2.put(new Integer(1), "A");
digraph2.put(new Integer(2), "B");
digraph2.put(new Integer(3), "C");
digraph2.put(new Integer(4), "D");
digraph2.put(new Integer(5), "E");
digraph2.put(new Integer(6), "F");
digraph2.put(new Integer(7), "G");
digraph2.put(new Integer(8), "H");
digraph2.put(new Integer(9), "J");
digraph2.put(new Integer(10), "K");
digraph2.put(new Integer(11), "L");
digraph2.put(new Integer(12), "M");
digraph2.put(new Integer(13), "N");
digraph2.put(new Integer(14), "P");
digraph2.put(new Integer(15), "Q");
digraph2.put(new Integer(16), "R");
digraph2.put(new Integer(17), "S");
digraph2.put(new Integer(18), "T");
digraph2.put(new Integer(19), "U");
digraph2.put(new Integer(20), "V");
}
public int getDigraph1Index(String letter) {
for (int i = 0; i < digraph1Array.length; i++) {
if (digraph1Array[i].equals(letter)) {
return i + 1;
}
}
return -1;
}
public int getDigraph2Index(String letter) {
for (int i = 0; i < digraph2Array.length; i++) {
if (digraph2Array[i].equals(letter)) {
return i;
}
}
return -1;
}
public String getDigraph1(int longZone, double easting) {
int a1 = longZone;
double a2 = 8 * ((a1 - 1) % 3) + 1;
double a3 = easting;
double a4 = a2 + ((int) (a3 / 100000)) - 1;
return (String) digraph1.get(new Integer((int) Math.floor(a4)));
}
public String getDigraph2(int longZone, double northing) {
int a1 = longZone;
double a2 = 1 + 5 * ((a1 - 1) % 2);
double a3 = northing;
double a4 = (a2 + ((int) (a3 / 100000)));
a4 = (a2 + ((int) (a3 / 100000.0))) % 20;
a4 = Math.floor(a4);
if (a4 < 0) {
a4 = a4 + 19;
}
return (String) digraph2.get(new Integer((int) Math.floor(a4)));
}
}
private class LatZones {
private char[] letters = {
'A', 'C', 'D', 'E', 'F', 'G', 'H', 'J', 'K',
'L', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Z'
};
private int[] degrees = {
-90, -84, -72, -64, -56, -48, -40, -32, -24,
-16, -8, 0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 84
};
private char[] negLetters = {
'A', 'C', 'D', 'E', 'F', 'G', 'H', 'J',
'K', 'L', 'M'
};
private int[] negDegrees = {
-90, -84, -72, -64, -56, -48, -40, -32,
-24, -16, -8
};
private char[] posLetters = {
'N', 'P', 'Q', 'R', 'S', 'T', 'U', 'V',
'W', 'X', 'Z'
};
private int[] posDegrees = {
0, 8, 16, 24, 32, 40, 48, 56, 64, 72, 84
};
private int arrayLength = 22;
public LatZones() {
}
public int getLatZoneDegree(String letter) {
char ltr = letter.charAt(0);
for (int i = 0; i < arrayLength; i++) {
if (letters[i] == ltr) {
return degrees[i];
}
}
return -100;
}
public String getLatZone(double latitude) {
int latIndex = -2;
int lat = (int) latitude;
if (lat >= 0) {
int len = posLetters.length;
for (int i = 0; i < len; i++) {
if (lat == posDegrees[i]) {
latIndex = i;
break;
}
if (lat > posDegrees[i]) {
continue;
} else {
latIndex = i - 1;
break;
}
}
} else {
int len = negLetters.length;
for (int i = 0; i < len; i++) {
if (lat == negDegrees[i]) {
latIndex = i;
break;
}
if (lat < negDegrees[i]) {
latIndex = i - 1;
break;
} else {
continue;
}
}
}
if (latIndex == -1) {
latIndex = 0;
}
if (lat >= 0) {
if (latIndex == -2) {
latIndex = posLetters.length - 1;
}
return String.valueOf(posLetters[latIndex]);
} else {
if (latIndex == -2) {
latIndex = negLetters.length - 1;
}
return String.valueOf(negLetters[latIndex]);
}
}
}
}