[問題] EPSG 3857長甚麼樣子
最近在看EPSG 3857的參數
看了一些,但還是不知道他到底"長甚麼樣子"
比方說
TM2/TWD97長這樣:
249999,2544281(六碼,七碼)
經緯度方面長這樣:
deg的長相 121.233455,23.45663
dms的長相 121度54分23秒, 23度45分78秒
(以上數據純屬亂打,僅示意用途)
然後看了這個
http://earth-info.nga.mil/GandG/wgs84/web_mercator/(U)%20NGA_SIG_0011_1.0.0_WEBMERC.pdf
只說了跟WGS84很像只是投影時用正球體
至此,我還想問他所謂的WGS84是用經緯度表示位置的座標系統嗎 ?
因為就我所知,WGS84是一種橢球....
求高手解答
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