Google Map ±àÂëÕÛÏßËã·¨JavaʵÏÖ
ÍøÂçÉÏÁ÷´«×ÅÒ»¸öGoogle Map ±àÂëÕÛÏßËã·¨µÄJavaʵÏÖ£¬µ«ÊǼÆËã½á¹ûÓëGOOGLE MAP API °ïÖúÀïÃæµÄ½»»¥¹¤¾ßµÄ¼ÆËã½á¹ûÓгöÈ룬ËùÒÔ×Ô¼ºÐ´ÁËÒ»Ò»¸ö£¬¼ÆËã½á¹ûÓëGOOGLE MAP API °ïÖúÀïÃæµÄ½»»¥¹¤¾ßµÄ¼ÆËã½á¹ûÒ»Ö¡£package unit;
/**
* Google Map ±àÂëÕÛÏßËã·¨JavaʵÏÖ
*
* @author libin
*/
public class GPolyline2 {
/**
* ´¦ÀíÓзûºÅÕûÊý
*
* @param point
* @return
*/
private static String encodeSignedNumber(int point) {
// ¶Ô¶þ½øÖƵÍλ²¹0
int _point_int = point << 1;
// Èç¹ûÔÀ´µÄÊýÊǸºÊýÔòÇó·´£¬È¡Æä²¹Âë
if (point < 0) {
_point_int = ~_point_int;
}
return (encodeNumber(_point_int));
}
/**
* ´¦ÀíÎÞ·ûºÅÕûÊý
*
* @param num
* @return
*/
private static String encodeNumber(int num) {
String resultString = "";
while (num >= 0x20) {
int _block = num & 0x1F;
_block = (_block | 0x20) + 63;
char _result = (char) _block;
resultString += _result;
num >>= 5;
}
resultString += (char) (num + 63);
return resultString;
}
/**
* ¼ÆËã±àÂë¼¶±ð
*
* @param line
* @return
*/
public static String encodeLevel(String line) {
int level = 3;// ÉèÖñàÂë¼¶±ð
String encodeLel = encodeNumber(level);// ¼ÆËã³ö±àÂë¼¶±ð£¬ÒòΪԤÏȹ̶¨£¬¿¼ÂÇЧÂÊÎÊÌ⣬ֻ¼ÆËãÒ»´Î
StringBuffer result = new StringBuffer();
int length = line.split(";").length;// µÃµ½µã¸öÊý
for (int i = 0; i < length; i++) {
result.append(encodeLel);
}
// System.out.println("2level: " + result.toString());
return result.toString();
}
/**
* ¼ÆËã±àÂëÕÛÏß
*
* @param line
* @return
*/
public static String createEncodings(String line) {
String[] _points = null;
String _result = "";
int plat = 0;
int plng = 0;
_points = line.split(";");// ÿ¸ö¾Î³¶È×ø±êÖµÒÔ";"·Ö¸ô
for (String _point : _points) {
String[] _latlng = _point.split(",");// ¾Î³¶ÈÖµÖ®¼äÒÔ","·Ö¸ô
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