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我在KKJ3和WGS84投影之間轉換時遇到問題。當我將KKj3轉換回WGS84時,位置與原始WGS84相距約10公里?似乎經度是好的,但緯度不是。Proj4js 2.3.12版中的KKJ3轉換設置
在用於: https://cdnjs.cloudflare.com/ajax/libs/proj4js/2.3.12/proj4.js
設置: 'EPSG:2393', 「+凸出= tmerc + lat_0 = 0 + lon_0 = 27 + K = 1 + X_0 = 3500000 + y_0 = 0 + ellps =國際單位+ = M + no_defs'
代碼: 設置:
proj4.defs([
[
'EPSG:2393',
'+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=3500000 +y_0=0 +ellps=intl +units=m +no_defs'
]
]);
var wgs = 'WGS84';
var kkj3 = 'EPSG:2393';
var str = "Changes:\n";
var KKJ3Value;
var WGS84Value;
User example:
KKJ3Value = proj4(wgs,kkj3,[UserLat,UserLon]);
str += "1.\tWGS84(" + UserLat + "," + UserLon + ")" + " => KKJ3\n";
str += "\tResult: " + KKJ3Value[0] + ","+ KKJ3Value[1] + "\n\n";
str += "2.\tKKJ3 => WGS84\n";
WGS84Value = proj4(kkj3,wgs,[KKJ3Value[0],KKJ3Value[1]]);
str += "\tResult: " + WGS84Value[0] + ","+ WGS84Value[1] + "\n";
alert(str);
結果: Result
請張貼一些代碼,不喜歡它。 –
@AlexWien我甚至不知道這個問題。我真的不知道爲什麼這裏是我的評論... –
你好Timo,我的回答有幫助嗎? – AlexWien