我想繪製使用ammap的線,我卡住生成開始和結束點的座標數組。我必須與具有case_study的關鍵JSON數組如下圖所示Javascript數組援助
var data = {
"countries_involved": [
{"c_id": 6, "country": "India", "longitude": "21", "latitude": "78.0000", "involvement": 3, "case_study": 4},
{"c_id": 7, "country": "Canada", "longitude": "62", "latitude": "105.3809", "involvement": 3, "case_study": 4},
{"c_id": 8, "country": "Comoros", "longitude": "12", "latitude": "44.2333", "involvement": 1, "case_study": 5},
{"c_id": 9, "country": "Madagascar", "longitude": "20", "latitude": "47.0000", "involvement": 1, "case_study": 5},
{"c_id": 10, "country": "Mauritius", "longitude": "20", "latitude": "57.5000", "involvement": 1, "case_study": 5}
],
"country_details": [
{"name": "Kenya", "longitude": "-1", "latitude": "36.8000", "case_study": 4},
{"name": "Kenya", "longitude": "-1", "latitude": "36.8000", "case_study": 5}
]
};
我使用jQuery過濾器的格式如下
{longitudes: [country_details.longitude,countries_involved.longitude], latitudes: [country_details.latitude,countries_involved.latitude],}
返回數據這裏是內我的功能循環
for (var i = 0; i < data.country_details.length; i++)
{
var obj = {
id: data.country_details[i]['name'].replace(/\s+/g, ''),
color: "#000000",
svgPath: targetSVG,
title: data.country_details[i]['country'],
latitude: data.country_details[i]['longitude'],
longitude: data.country_details[i]['latitude'],
scale: 1.5,
zoomLevel: 2.74,
lines: data.countries_involved.filter(function(involved) {
return involved.case_study === data.country_details[i].case_study
}).map(function(item) {
return {latitudes: [data.country_details[i].latitude, item.latitude], longitudes: [data.country_details[i].longitude, item.longitude]}
})
};
}
不過,我只得到一個陣列,只爲起點和終點沒有意義item.latitude
和item.longitude
沒有評估。任何人都可以幫忙嗎?
我看到「緯度」和「經度」中的值。有什麼問題? http://jsfiddle.net/qSf3d/2/ – McGarnagle
不能在我的電腦上工作,這就是我的console.log [對象{緯度= [2],經度= [2]},對象{緯度對象{緯度= [2],經度= [2]},對象{緯度= [2],經度= [2]},對象{緯度= [2],[經度= [2]},對象{緯度= [2],經度= [2]},對象{緯度= [2],經度= [2]}] –
結果應該是這樣的{經度:[start_longitude ,end_longitude],緯度:[start_latitude,end_latitude],} –