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我從網上資源下載水深測量數據的資源包含以下轉換水深現實世界的座標歸一化座標在OpenGL ES 2.0
542484.986 5234278.220 -9.129072
542487.256 5234278.236 -9.240440
542489.601 5234278.253 -9.281879
542491.871 5234278.269 -9.457996
542494.216 5234278.286 -10.245342
542496.486 5234278.303 -10.499158
542498.831 5234278.320 -10.698585
542501.101 5234278.336 -10.719304
542484.962 5234281.554 -9.222311
542487.232 5234281.570 -9.315549
542489.577 5234281.587 -9.403607
由於OpenGL ES的可見值範圍爲代表X，Y，Z信息-1 and +1之間,,如何轉換上面提到的所有real world co-ordinates到normalised screen coordinates