本文介绍了GPS在手机上的坐标的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
能否GPS在手机上,如iPhone或Android确定您的Z轴坐标?
Can GPS on a phone, such as iPhone or Android determine your Z coordinates ?
我知道它肯定有能够确定X和Y,以及经度,纬度就是,但是绕Z坐标?它可以决定你的高度,我能获得相对高度到地面?
I know it certainly has to be able to determine X and Y, well longitude, latitude that is, but what about the Z coordinates ? Can it determine your height, and can I obtain height relative to ground ?
推荐答案
高度,通过GPS测量的,是相对的。该WGS84重新场的presentative那里的重力是相同的,大地水准面。不太一样的理由。
Height, as measured by a gps, is relative to the WGS84 ellipsoid. The WGS84 is representative of the field where the gravity is the same, the geoid. Not quite the same as the ground.
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