从经度和纬度到绝对的X，Y坐标

问题描述

我有一系列的经纬度坐标。我需要在X，Y坐标中转换它。我读过UTM，但问题在于UTM坐标是相对于单个区域的。

例如，这两个坐标UTM具有相同的Easting（x）和Northing（y）但不同的代码区域，所以每个坐标都指向一个完全不同的位置（一个在西班牙和一个在意大利）：

我需要一种方法来自动转换绝对X，Y坐标中的亲属坐标。想法？

解决方案

它是否必须是UTM？如果没有，您还可以使用，这是一个简单的投影，不依赖于

例如，请参阅。

I have a series of Lat/Long coords. I need to transform it in X, Y coordinates. I've read about UTM, but the problem is that UTM coordinates are relatives to a single zone.

For example, this two coordinates UTM has the same Easting (x) and Northing (y) but different code zone, and so each coords point to a completly different location (one in spain and one in italy):

• UTM: 33T 292625m E 4641696m N
• UTM: 30U 292625m E 4641696m N

I need a method to automatically transform that relatives coord in absolute X, Y coordinates. Ideas?

解决方案

Does it have to be UTM? If not, you can also use Mercator, which is a simpler projection that doesn't rely on zones.

See, for example, the Bing Maps system.

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