Java经纬度坐标转换到平面坐标

米勒坐标系

package sg.edu.ntu.huangcheng;public class MillerCoordinate {public static double[] MillierConvertion(double lat, double lon){double L = 6381372 * Math.PI * 2;//地球周长double W=L;// 平面展开后，x轴等于周长double H=L/2;// y轴约等于周长一半double mill=2.3;// 米勒投影中的一个常数，范围大约在正负2.3之间double x = lon * Math.PI / 180;// 将经度从度数转换为弧度double y = lat * Math.PI / 180;// 将纬度从度数转换为弧度y=1.25 * Math.log( Math.tan( 0.25 * Math.PI + 0.4 * y ) );// 米勒投影的转换// 弧度转为实际距离x = ( W / 2 ) + ( W / (2 * Math.PI) ) * x;y = ( H / 2 ) - ( H / ( 2 * mill ) ) * y;double[] result=new double[2];result[0]=x;result[1]=y;return result;}
}

UTM坐标系（缺点：由于UTM坐标系将整个地球划分为不同的区域(ZONES)，不同区域的坐标间距很难计算。）

package sg.edu.ntu.huangcheng;/** Author: Sami Salkosuo, sami.salkosuo@fi.ibm.com** (c) Copyright IBM Corp. 2007*/import java.util.Hashtable;
import java.util.Map;public class CoordinateConversion
{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 radiusdouble equatorialRadius = 6378137;// polar radiusdouble polarRadius = 6356752.314;// flatteningdouble flattening = 0.00335281066474748;// (equatorialRadius-polarRadius)/equatorialRadius;// inverse flattening 1/flatteningdouble inverseFlattening = 298.257223563;// 1/flattening;// Mean radiusdouble rm = POW(equatorialRadius * polarRadius, 1 / 2.0);// scale factordouble k0 = 0.9996;// eccentricitydouble e = Math.sqrt(1 - POW(polarRadius / equatorialRadius, 2));double e1sq = e * e / (1 - e * e);double n = (equatorialRadius - polarRadius)/ (equatorialRadius + polarRadius);// r curv 1double rho = 6368573.744;// r curv 2double nu = 6389236.914;// Calculate Meridional Arc Length// Meridional Arcdouble 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 Longdouble p = -0.483084;double sin1 = 4.84814E-06;// Coefficients for UTM Coordinatesdouble 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 };// 02CNR0634657742int 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 digraph1 = new Hashtable();private Map digraph2 = new Hashtable();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]);}}}}

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