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关于Helmert 7 parameter transforma
将纬度经度位置从一个椭球体转换为另一个椭球体
With this app you can easily calculate with the 7 parameter transformation of Helmert.
The Helmert formulas are use to change the latitude and longitude of a position on one ellipsoid to the same position on some other ellipsoid.
The seven parameters that are used in the Helmert formulas are:
distance on the x-axis
-distance on the y-axis
-distance on the z-axis
-rotation around the x-axis
-rotation around the y-axis
-rotation around the z-axis
-scale
The Helmert formula is often used in GPS land surveying. And now with this app you can easily calculate any position with the Helmert formula.
You only have to fill in the correct parameters. And of course the latitude and longitude of the position that you want to transform.
最新版本1.1的更新日志
Last updated on 2020年08月30日
Minor bug fixes and improvements. Install or update to the newest version to check it out!
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