纬度/经度列表内的点
首先，我在force.com APEX 中对此进行编码。
我有一个谷歌地球 KML。在这个 KML 文件中，我有一系列坐标：
<coordinates>
-73.920776,40.710476,0.000000
-73.926125,40.705692,0.000000
-73.933609,40.702782,0.000000
...
...
-73.924210,40.714085,0.000000
-73.922409,40.712849,0.000000
-73.920776,40.710476,0.000000
</coordinates>
我想要做的是创建一个包含所有坐标的数组，然后能够检查给定的纬度/经度是否落在坐标内。我已经检查了多边形内的点，但想看看是否有更简单的方法。
谢谢 坦率
First, I'm coding this in force.com APEX.
I have a google earth KML. In this KML file I have a series of coordinates:
<coordinates>
-73.920776,40.710476,0.000000
-73.926125,40.705692,0.000000
-73.933609,40.702782,0.000000
...
...
-73.924210,40.714085,0.000000
-73.922409,40.712849,0.000000
-73.920776,40.710476,0.000000
</coordinates>
What I would like to do is create a array that has all my coordinates and then be able to check if a given lat/lon falls within the coordinates. I've reviewed the points within a polygon but would like to see if there is a simpler approach.
Thanks
Frank
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如果您的区域相对较小 - 不越过极点或国际日期变更线，那么多边形中的点就足够了。
If you have a relatively small area - which doesn't go over the pole or through the international date line then point in polygon is enough.