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城建坐标与经纬度转换工具
發布時間：2023/12/9
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城建坐标与经纬度转换工具
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部分底層核心源碼
需要引入的Jar包為: CoodinateCover.jar可在csdn自行搜索
CoodinateCover.java
package PkgCover;import java.io.PrintStream;public class CoodinateCover {private GaussProjection _GP;private double _X;private double _Y;private double _B;private double _L;private String _ErrMsg;private enumLocalCoordinateSys _lcs;public static void main(String[] args){CoodinateCover CC = new CoodinateCover(3, enumEllipseSys.WGS84, enumLocalCoordinateSys.BeiJingCJ);if (!CC.FunCover(39.976732200000001D, 116.41657351000001D).booleanValue()) {System.out.println("出現錯誤！" + CC.get_ErrMsg());}System.out.println("經緯度坐標（40.2321880683303, 116.523973513395）轉換為城建坐標（" + CC.get_X() + ",Y坐標：" + CC.get_Y() + "）");if (!CC.FunAntiCover(CC.get_X(), CC.get_Y()).booleanValue()) {System.out.println("出現錯誤！" + CC.get_ErrMsg());}System.out.println("反轉后為：緯度為：" + CC.get_B() + "，經度為：" + CC.get_L());}public CoodinateCover(int zoneWide, enumEllipseSys ellipse, enumLocalCoordinateSys lcs){this._lcs = lcs;this._GP = new GaussProjection(ellipse, zoneWide);}public Boolean FunCover(double B, double L){if (!this._GP.Projection(B, L, 0.0D).booleanValue()){this._ErrMsg = ("高斯投影失敗：" + this._GP.get_ErrMsg());return Boolean.valueOf(false);}FPData oFPData;FPData oFPData;switch (this._lcs){case BeiJingCJ: LocalCoordinateSys LCS = new BeiJingCJ();oFPData = LCS.getFPData(true, this._GP.get_Maridian());break;default: oFPData = null;}if (oFPData == null){this._ErrMsg = "沒有實例化FPData對象";return Boolean.valueOf(false);}this._X = (oFPData.get_X() + oFPData.get_K() * this._GP.get_X() * Math.cos(oFPData.get_T()) - oFPData.get_K() * this._GP.get_Y() * Math.sin(oFPData.get_T()));this._Y = (oFPData.get_Y() + oFPData.get_K() * this._GP.get_X() * Math.sin(oFPData.get_T()) + oFPData.get_K() * this._GP.get_Y() * Math.cos(oFPData.get_T()));return Boolean.valueOf(true);}public Boolean FunAntiCover(double x, double y){Boolean bRtn = Boolean.valueOf(true);switch (this._lcs){case BeiJingCJ: bRtn = Boolean.valueOf(BeiJintCJToWGS84(x, y));break;default: bRtn = Boolean.valueOf(false);}return bRtn;}private boolean BeiJintCJToWGS84(double x, double y){boolean bRtn = true;LocalCoordinateSys LCS = new BeiJingCJ();FPData oFPData = LCS.getFPData(false, 117);this._X = (oFPData.get_X() + oFPData.get_K() * x * Math.cos(oFPData.get_T()) - oFPData.get_K() * y * Math.sin(oFPData.get_T()));this._Y = (oFPData.get_Y() + oFPData.get_K() * x * Math.sin(oFPData.get_T()) + oFPData.get_K() * y * Math.cos(oFPData.get_T()));if (!this._GP.AntiProjection(this._X, this._Y, 117).booleanValue()){this._ErrMsg = ("高斯投影失敗：" + this._GP.get_ErrMsg());bRtn = false;return bRtn;}if ((this._GP.get_L() < 1.5D) && (this._GP.get_L() > -1.5D)){this._L = (117.0D + this._GP.get_L());bRtn = true;}else if (this._GP.get_L() > 1.5D){this._B = this._GP.get_Lat();this._L = (117.0D + this._GP.get_L());this._ErrMsg = "超出投影范圍，可能不準確";bRtn = false;}else{FPData oFPData2 = LCS.getFPData(false, 114);this._X = (oFPData2.get_X() + oFPData2.get_K() * x * Math.cos(oFPData2.get_T()) - oFPData2.get_K() * y * Math.sin(oFPData2.get_T()));this._Y = (oFPData2.get_Y() + oFPData2.get_K() * x * Math.sin(oFPData2.get_T()) + oFPData2.get_K() * y * Math.cos(oFPData2.get_T()));if (!this._GP.AntiProjection(this._X, this._Y, 114).booleanValue()){this._ErrMsg = ("高斯投影失敗：" + this._GP.get_ErrMsg());bRtn = false;}this._L = (114.0D + this._GP.get_L());bRtn = true;}this._B = this._GP.get_Lat();return bRtn;}public double get_X(){return this._X;}public double get_Y(){return this._Y;}public double get_B(){return this._B;}public double get_L(){return this._L;}public String get_ErrMsg(){return this._ErrMsg;} }GaussProjection.java
package PkgCover;public class GaussProjection {double f = 0.0D;double e2 = 0.0D;double e1 = 0.0D;double b;double a = 0.0D;private String _ErrMsg;private int _ZoneWide;private double _l;private int _Maridian;private double _Lng;private double _Lat;private double _Y;private double _X;private double _A8;private double _A6;private double _A4;private double _A2;private double _A0;private double _M8;private double _M6;private double _M4;private double _M2;private double _M0;public GaussProjection(enumEllipseSys ellipse, int zoneWide){this._ZoneWide = zoneWide;switch (ellipse){case WGS84: this.a = 6378245.0D;this.b = 6356863.0187730473D;this.e1 = (Math.sqrt(Math.pow(this.a, 2.0D) - Math.pow(this.b, 2.0D)) / this.a);this.e2 = (Math.sqrt(Math.pow(this.a, 2.0D) - Math.pow(this.b, 2.0D)) / this.b);break;case BeiJing54: this.a = 6378137.0D;this.b = 6356752.3141999999D;this.e1 = (Math.sqrt(Math.pow(this.a, 2.0D) - Math.pow(this.b, 2.0D)) / this.a);this.e2 = (Math.sqrt(Math.pow(this.a, 2.0D) - Math.pow(this.b, 2.0D)) / this.b);break;case XiAn80: this.a = 6378140.0D;this.b = 6356755.2881575283D;this.e1 = (Math.sqrt(Math.pow(this.a, 2.0D) - Math.pow(this.b, 2.0D)) / this.a);this.e2 = (Math.sqrt(Math.pow(this.a, 2.0D) - Math.pow(this.b, 2.0D)) / this.b);break;}this.f = ((this.a - this.b) / this.a);CalMidPara();}public Boolean Projection(double B, double L, double H){Boolean bRtn = Boolean.valueOf(true);try{int n = 0;if (this._ZoneWide == 6){n = (int)L / 6;if (L % 6.0D > 0.0D) {n++;}this._Maridian = (6 * n - 3);this._l = (L - this._Maridian);}if (3 == this._ZoneWide){n = (int)(L - 1.5D) / 3;if ((L - 1.5D) % 3.0D > 0.0D) {n++;}this._Maridian = (3 * n);this._l = (L - this._Maridian);}B = B * 3.141592653589793D / 180.0D;L = L * 3.141592653589793D / 180.0D;this._l = (this._l * 3.141592653589793D / 180.0D);double X = this._A0 * B - this._A2 * Math.sin(2.0D * B) / 2.0D + this._A4 * Math.sin(4.0D * B) / 4.0D - this._A6 * Math.sin(6.0D * B) / 6.0D + this._A8 * Math.sin(8.0D * B) / 8.0D;double T = Math.tan(B);double ita = this.e2 * Math.cos(B);double SinB = Math.sin(B);double CosB = Math.cos(B);double N = this.a * Math.pow(1.0D - Math.pow(this.e1 * SinB, 2.0D), -0.5D);this._X = (X + N * T * Math.pow(CosB, 2.0D) * Math.pow(this._l, 2.0D) / 2.0D + N * T * (5.0D - Math.pow(T, 2.0D) + 9.0D * Math.pow(ita, 2.0D) + 4.0D * Math.pow(ita, 2.0D)) * Math.pow(CosB * this._l, 4.0D) / 24.0D + N * T * (61.0D - 58.0D * Math.pow(T, 2.0D) + Math.pow(T, 4.0D)) * Math.pow(CosB * this._l, 6.0D) / 720.0D);this._Y = (N * CosB * this._l + N * (1.0D - Math.pow(T, 2.0D) + Math.pow(ita, 2.0D)) * Math.pow(CosB * this._l, 3.0D) / 6.0D + N * (5.0D - 18.0D * Math.pow(T, 2.0D) + Math.pow(T, 4.0D) + 14.0D * Math.pow(ita, 2.0D) - 58.0D * Math.pow(ita * T, 2.0D)) * Math.pow(CosB * this._l, 5.0D) / 120.0D);}catch (Exception ex){this._ErrMsg = ex.getMessage();bRtn = Boolean.valueOf(false);}return bRtn;}public Boolean AntiProjection(double x, double y, int maridian){this._Maridian = maridian;boolean bRtn = true;try{double Bf0 = x / this._A0;double Bf = GetBf(Bf0, x);double Nf = this.a * Math.pow(1.0D - Math.pow(this.e1 * Math.sin(Bf), 2.0D), -0.5D);double Z = y / (Nf * Math.cos(Bf));double Mf = this.a * (1.0D - this.e1 * this.e1) * Math.pow(1.0D - Math.pow(this.e1 * Math.sin(Bf), 2.0D), -1.5D);double Tf = Math.tan(Bf);double ITAf2 = Math.pow(this.e2 * Math.cos(Bf), 2.0D);double B2 = Tf * Math.pow(y, 2.0D) / (2.0D * Mf * Nf);double B4 = Tf * Math.pow(y, 4.0D) * (5.0D + 3.0D * Math.pow(Tf, 2.0D) + ITAf2 - 9.0D * Math.pow(Tf, 2.0D) * ITAf2) / (24.0D * Mf * Math.pow(Nf, 3.0D));double B6 = Tf * Math.pow(y, 6.0D) * (61.0D + 90.0D * Math.pow(Tf, 2.0D) + 45.0D * Math.pow(Tf, 4.0D)) / (720.0D * Mf * Math.pow(Nf, 5.0D));double B3 = (1.0D + 2.0D * Math.pow(Tf, 2.0D) + ITAf2) * Math.pow(y, 3.0D) / (6.0D * Math.pow(Nf, 3.0D) * Math.cos(Bf));double B5 = (5.0D + 28.0D * Math.pow(Tf, 2.0D) + 24.0D * Math.pow(Tf, 4.0D) + 6.0D * ITAf2 + 8.0D * ITAf2) * Math.pow(y, 5.0D) / (120.0D * Math.pow(Nf, 5.0D) * Math.cos(Bf));this._Lat = ((Bf - B2 + B4 - B6) * 180.0D / 3.141592653589793D);this._l = ((Z - B3 + B5) * 180.0D / 3.141592653589793D);}catch (Exception ex){this._ErrMsg = (this._ErrMsg + "高斯投影反算出錯！" + ex.getMessage());bRtn = false;}return Boolean.valueOf(bRtn);}private double GetBf(double bf, double x){double M = -this._A2 * Math.sin(2.0D * bf) / 2.0D + this._A4 * Math.sin(4.0D * bf) / 4.0D - this._A6 * Math.sin(6.0D * bf) / 6.0D + this._A8 * Math.sin(8.0D * this.f) / 8.0D;double Bf = (x - M) / this._A0;if (Math.abs(bf - Bf) > 3.141592653589793D * Math.pow(10.0D, -8.0D) / 648.0D) {Bf = GetBf(Bf, x);}return Bf;}private void CalMidPara(){this._M0 = (this.a * (1.0D - Math.pow(this.e1, 2.0D)));this._M2 = (3.0D * Math.pow(this.e1, 2.0D) * this._M0 / 2.0D);this._M4 = (5.0D * Math.pow(this.e1, 2.0D) * this._M2 / 4.0D);this._M6 = (7.0D * Math.pow(this.e1, 2.0D) * this._M4 / 6.0D);this._M8 = (9.0D * Math.pow(this.e1, 2.0D) * this._M6 / 8.0D);this._A0 = (this._M0 + this._M2 / 2.0D + 3.0D * this._M4 / 8.0D + 5.0D * this._M6 / 16.0D + 35.0D * this._M8 / 128.0D);this._A2 = (this._M2 / 2.0D + this._M4 / 2.0D + 15.0D * this._M6 / 32.0D + 7.0D * this._M8 / 16.0D);this._A4 = (this._M4 / 8.0D + this._M6 * 3.0D / 16.0D + this._M8 * 7.0D / 32.0D);this._A6 = (this._M6 / 32.0D + this._M8 / 16.0D);this._A8 = (this._M8 / 128.0D);}public double get_X(){return this._X;}public double get_Y(){return this._Y;}public double get_Lat(){return this._Lat;}public double get_Lng(){return this._Lng;}public String get_ErrMsg(){return this._ErrMsg;}public double get_L(){return this._l;}public int get_Maridian(){return this._Maridian;} }案例
首先經緯度轉換Util，把相應的城建坐標"499549.528", "317657.996"轉換為經緯度
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.net.URL; import java.net.URLConnection;import PkgCover.CoodinateCover; import PkgCover.Coordinate; import PkgCover.CoordinateSys; import PkgCover.enumEllipseSys; import PkgCover.enumLocalCoordinateSys;public class Utils {public static Double[] getCoordinate(String coordx, String coordy) {Double[] returnCoordinate = new Double[2];if (coordx == null || coordy == null) {return null;}CoodinateCover cc = new CoodinateCover(3, enumEllipseSys.WGS84, enumLocalCoordinateSys.BeiJingCJ);if (!cc.FunCover(Double.valueOf(coordy).doubleValue(), Double.valueOf(coordx).doubleValue())) {try {throw new RuntimeException(cc.get_ErrMsg());} catch (Exception e) {System.out.println("捕獲轉換異常：" + e);}}returnCoordinate[0] = cc.get_Y();returnCoordinate[1] = cc.get_X();return returnCoordinate;}public static Double[] getAinCoordinate(String coordx, String coordy) {Double[] returnCoordinate = new Double[2];if (coordx == null || coordy == null) {return null;}CoodinateCover cc = new CoodinateCover(3, enumEllipseSys.WGS84, enumLocalCoordinateSys.BeiJingCJ);if (!cc.FunAntiCover(Double.valueOf(coordy).doubleValue(), Double.valueOf(coordx).doubleValue())) {try {throw new RuntimeException(cc.get_ErrMsg());} catch (Exception e) {System.out.println("捕獲轉換異常：" + e);}}if (cc.get_L() != 0.0D && cc.get_B() != 0.0D) {Coordinate _Coordinate = new Coordinate(cc.get_B(), cc.get_L(), CoordinateSys.WGS84);if (_Coordinate.WGS84ToGCJ02()) {returnCoordinate[0] = _Coordinate.get_GCJLat();returnCoordinate[1] = _Coordinate.get_GCJLng();} else {returnCoordinate[0] = cc.get_L();returnCoordinate[1] = cc.get_B();}} else {returnCoordinate[0] = cc.get_L();returnCoordinate[1] = cc.get_B();}return returnCoordinate;}public static void main(String[] args) {Double[] dd = Utils.getAinCoordinate("499549.528", "317657.996");System.out.println(dd[0] + "," + dd[1]);} }?
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