Hi,
I have a bit of a quandry....
I have an encoded polyline:
_zlyH~cXqAgQk@}CsBkGgFiPDElAg@~G}BrVgOFMJc@?m@JyGTcAb@qAP@^v@RnAP^vF`TJE~HoG~F_FvLkKtDkDPeADQNMRIr@@\WTk@Fk@La@b@{@dCcDnMuOrE}FjA}AtD_GFw@Ei@Ya@Me@@WH[FGd@IX?b@QnBuChHsJbCaEAgA@]H_@HMp@U`@gA@]f@uFhCcTFkA@gAKaS?}BKmHGsG[aEu@SSSK]?e@H}@HaDoF_Jc@g@oBsDFg@jDuP~CkMBG~@aAvBgDn@gB@MDKFEDO|D}HFYH{@@sAMiCBi@EiBHmHx@}IDeBT_IPkIKgCPmKvBuAp@]xFmDt@_Ar@eAxCmFaBqC_DcH_@k@sAcES_AQwAsAoHIAMyAPUDC\e@DQ@eCI_Dm@uGq@wEGGGCcB`@cA`@mAhAgEnCc@hAs@tBwBnE_@j@wCfEe@v@s@t@EQKOOMi@gAuBgGCSsAyC[OYI[AIlAOZ
If I paste that into the google example page here:
http://code.google.com/apis/maps/documentation/utilities/polylineutility.html
I get a series of lat/lng points, and the line can be plotted onto a map.
I put exactly the same string into this page (view source to confirm):
http://bbarker.co.uk/busStops/test.php
var
encoded="_zlyH~cXqAgQk@}CsBkGgFiPDElAg@~G}BrVgOFMJc@?m@JyGTcAb@qAP@^v@RnAP^vF`TJE~HoG~F_FvLkKtDkDPeADQNMRIr@@\WTk@Fk@La@b@{@dCcDnMuOrE}FjA}AtD_GFw@Ei@Ya@Me@@WH[FGd@IX?b@QnBuChHsJbCaEAgA@]H_@HMp@U`@gA@]f@uFhCcTFkA@gAKaS?}BKmHGsG[aEu@SSSK]?e@H}@HaDoF_Jc@g@oBsDFg@jDuP~CkMBG~@aAvBgDn@gB@MDKFEDO|D}HFYH{@@sAMiCBi@EiBHmHx@}IDeBT_IPkIKgCPmKvBuAp@]xFmDt@_Ar@eAxCmFaBqC_DcH_@k@sAcES_AQwAsAoHIAMyAPUDC\e@DQ@eCI_Dm@uGq@wEGGGCcB`@cA`@mAhAgEnCc@hAs@tBwBnE_@j@wCfEe@v@s@t@EQKOOMi@gAuBgGCSsAyC[OYI[AIlAOZ";
var string="<table border=1>";
var decodedPoints = google.maps.geometry.encoding.decodePath(encoded);
for (var i = 0; i < decodedPoints.length; ++i) {
//alert(decodedPoints[i].lat(), decodedPoints[i].lng());
string+="<tr><td>"+i+"</td><td>"+decodedPoints[i].lat()+"</td><td>"+decodedPoints[i].lng()+"</td></tr>>";
}
And the first 30 lat/lng points are the same - but then the points diverge. As
far as I can tell both [pages are calling exactly the same decode method on the
same input string.
Can anyone suggest why there is a discrepancy?
Cheers,
Ben
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