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Adcode区域代码解析
一个用Qt做的电子制表小程序,原理和结构类似于Excel,适合Qt初学者学习和使用,概括了Qt的基本用法;该程序的思想也值得借鉴。
这是一个通用的地理坐标系转换工具,基于七参数转换原理,实现了毫米级别的转换。如实现了WGS-84和XIAN80坐标系统之间的相互转化,经度的转换精度为小数点后7位,纬度的转换精度为小数点后6位,平面坐标的转换精度为毫米级别。