同一个点用南方cass坐标标注是7位整数,用天正建筑再标注同一个点只有4位整数,这是什么原因?

2025-03-25 16:43:54
推荐回答(2个)
回答1:

如果是使用cass制图,那么默认坐标距离单位是米。天正设计时,无论设计地图是什么距离单位,距离单位通通变成毫米。
所以如果拿cass图再去天正上设计制作后,单位为毫米。
天正距离单位是毫米,但是标识坐标的距离有些是自动标识为米,而不是图面距离单位毫米。所以如果你是拿着一份天正设计过后的图在cass上使用,首先这幅图的距离单位是天正设置成了毫米。这时cass自动延用天正距离毫米,所以坐标位数多了三位,而不是说cass就一定是默认毫米单位,而是继承了图面设置。
简单说就是因为,天正图在天正与cass上距离单位都是毫米。但是在天正上点取坐标标识为米。而此图在cass中距离单位与坐标标识单位都是毫米。所以cass比天正多了三位。
打开图后,在cass上应该先将距离单位改成米,即可解决问题。

如果还有问题请追问。

回答2:

南方的是毫米的单位,而天正建筑标注的是以米为单位的。

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