Google 地球和 Google 地图可以使用 KML 文件获取实时数据吗？
我读过一些有关 KML 文件的内容。它们是 XML 文件，可以在 Google Earth 和 Google Maps 中打开，以在地图上显示各种数据。我创建了一个 Google 地图应用程序，它显示代表数千个 IP 地址的数千个点。这些点分别是红色、黄色和绿色，具体取决于它们是否离线、不稳定或在线。这些点也每 5 秒刷新一次。
我对 KML 文件的提及很感兴趣，因为它们可以在 Google 地图和 Google 地球中打开。我有一些担心无法通过谷歌搜索得到答案：
- 谷歌地球可以设置为从 URL 实时更新 KML 文件吗？这样，点将在应用程序中更改颜色，而无需用户手动
- 如果我要将应用程序更改为使用 KML 文件，那么使用 javascript 获取有关每个点的信息仍然是一件简单的事情吗？
- 如何在 KML 文件中创建信息窗口？
I've read a little about KML files. They are XML files that can be opened in Google Earth and Google Maps to display all kinds of data on the map. I have created a Google Maps application that displays thousands of dots representing thousands of IP addresses. The dots are red, yellow and green, depending on if they're offline, unstable or online respectively. The dots are also refreshed once per 5 seconds.
I was intrigued by the mention of KML files, seeing as they can be opened in Google Maps and Google Earth both. I have a few worries that I couldn't answer by Googling though:
- Can Google Earth be set to update the KML file from a URL live? That way the dots would change colours in the application without the user having to manually
- If I were to change my application to using KML files, would it still be a simple matter to fetch information about each dot using javascript?
- How does creation of Information Windows work in KML files?
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您需要在 NetworkLink 上阅读有关 NetworkLink 的信息
该元素可以从 url 加载 KML(KMZ)。
You need to read about NetworkLink on NetworkLink
This element can load KML(KMZ) from url.