/*
?*?To?change?this?license?header?choose?License?Headers?in?Project?Properties.
?*?To?change?this?template?file?choose?Tools?|?Templates
?*?and?open?the?template?in?the?editor.
?*/
package?geo1;

import?org.geotools.geometry.jts.JTS;
import?org.geotools.referencing.CRS;
import?org.opengis.geometry.MismatchedDimensionException;
import?org.opengis.referencing.crs.CoordinateReferenceSystem;
import?org.opengis.referencing.operation.MathTransform;
import?org.opengis.referencing.operation.TransformException;
import?org.opengis.referencing.FactoryException;

import?com.vividsolutions.jts.geom.Point;
import?com.vividsolutions.jts.io.ParseException;
import?com.vividsolutions.jts.io.WKTReader;
import?java.awt.geom.Point2D;
import?org.geotools.referencing.crs.DefaultGeographicCRS;

public?class?Geo?{

????private?static?WKTReader?reader;

????private?static?CoordinateReferenceSystem?crsWGS84;	//WGS1984	
????private?static?CoordinateReferenceSystem?crsCGCS2000;	//CGCS2000??中國大地坐標系

????private?static?MathTransform?wgs84toCgcs2000;		//從WGS1984到CGCS2000
????private?static?MathTransform?cgcs2000toWgs84;	//從CGCS2000到WGS1984

????//在oralce?數據庫中的坐標系編號
????//public?static?final?int?System_Ref?=?4;
????public?static?void?main（String[]?args）?{
????????Geo?g?=?new?Geo（）;
????????long?startTime?=?System.currentTimeMillis（）;???//獲取開始時間
????????Point2D.Double?p?=?new?Point2D.Double（104.3838501?31.15288273）;
????????System.out.printf（“x:?%7.11f?y:?%7.11f\r\n“?p.x?p.y）;
????????p?=?g.toCGCS2000（p.x?p.y）;
????????System.out.printf（“x:?%7.11f?y:?%7.11f\r\n“?p.x?p.y）;
????????p?=?g.toWGS84（p.x?p.y）;
????????System.out.printf（“x:?%7.11f?y:?%7.11f\r\n“?p.x?p.y）;
????????long?endTime?=?System.currentTimeMillis（）;?//獲取結束時間
????????System.out.println（“程序運行時間：?“?+?（endTime?-?startTime）?+?“ms“）;
????}

????/**
?????*?初始化坐標系信息，只需調用一次
?????*/
????public?static?void?init（）?{
????????try?{
????????????//初始化WKTReader
????????????reader?=?new?WKTReader（）;//new?GeometryFactory（）
????????????//初始化坐標轉換類
????????????//String?wktWgs1984=“GEOGCS[\“WGS?84\“?DATUM[\“World?Geodetic?System?1984\“?SPHEROID[\“WGS?84\“?6378137.0?298.257223563?AUTHORITY[\“EPSG\“\“7030\“]]?AUTHORITY[\“EPSG\“\“6326\“]]?PRIMEM[\“Greenwich\“?0.0?AUTHORITY[\“EPSG\“\“8901\“]]?UNIT[\“degree\“?0.017453292519943295]?AXIS[\“Geodetic?longitude\“?EAST]?AXIS[\“Geodetic?latitude\“?NORTH]?AUTHORITY[\“EPSG\“\“4326\“]]“;
????????????String?wktCgcs2000?=?“PROJCS[\“CGCS2000?/?Gauss-Kruger?CM?105E\“GEOGCS[\“China?Geodetic?Coordinate?System?2000\“DATUM[\“China_2000\“SPHEROID[\“CGCS2000\“6378137298.257222101AUTHORITY[\“EPSG\“\“1024\“]]AUTHORITY[\“EPSG\“\“1043\“]]PRIMEM[\“Greenwich\“0AUTHORITY[\“EPSG\“\“8901\“]]UNIT[\“degree\“0.0174532925199433AUTHORITY[\“EPSG\“\“9122\“]]AUTHORITY[\“EPSG\“\“4490\“]]UNIT[\“metre\“1AUTHORITY[\“EPSG\“\“9001\“]]PROJECTION[\“Transverse_Mercator\“]PARAMETER[\“latitude_of_origin\“0]PARAMETER[\“central_meridian\“105]PARAMETER[\“scale_factor\“1]PARAMETER

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2019-08-17?22:17??geo1\
?????目錄???????????0??2019-08-17?22:17??geo1\.svn\
?????文件?????????590??2016-11-11?16:25??geo1\nbactions.xml
?????文件????????1875??2016-11-11?16:31??geo1\pom.xml
?????目錄???????????0??2016-11-11?16:16??geo1\src\
?????目錄???????????0??2016-11-11?16:16??geo1\src\main\
?????目錄???????????0??2016-11-11?16:16??geo1\src\main\java\
?????目錄???????????0??2016-11-11?16:50??geo1\src\main\java\geo1\
?????文件????????4736??2016-11-24?14:32??geo1\src\main\java\geo1\Geo.java
?????目錄???????????0??2016-11-11?16:16??geo1\src\main\resources\
?????目錄???????????0??2016-11-11?16:16??geo1\src\test\
?????目錄???????????0??2016-11-11?16:16??geo1\src\test\java\