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62 lines
1.0 KiB
C++
62 lines
1.0 KiB
C++
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#include "angle.h"
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//#include "StdAfx.h"
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#include "Stream/ugdefs.h"
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#include "math.h"
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const double EPSILON=1.0E-12;
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//const double PI=4.0*atan(1.0);
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//重载构造函数，有缺省值
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Angle::Angle()
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{
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}
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Angle::~Angle(void)
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{
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}
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//度 转 度分秒
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void Angle::DegtoDms(double deg, int &d, int &m, double &s)
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{
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d = int(deg + EPSILON);//整数部分度
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double dTmp = (deg - d) * 60;//小数部分转换成分
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m = int(dTmp+ EPSILON);//取分的整数部分
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s = (dTmp - m) * 60;//截取秒
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}
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//角度 转弧度
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void Angle::DegtoRad(double deg, double &rad)
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{
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rad = deg * PI/180;
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}
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//角度 转 十进制度
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void Angle::DegtodDeg(double deg, int &d, double &m)
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{
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d = int(deg + EPSILON);//整数部分度
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m = (deg - d) * 60;//小数部分转换成分
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}
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// 度分秒 转 度
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void Angle::DmstoDeg(int d, int m, double s, double °)
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{
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deg = d + (m / 60.0) + (s / 3600.0);
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}
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//度分秒 转 十进制度
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void Angle::DmstodDeg(int d, int m, double s, int &dDeg, double &dm)
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{
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dDeg = d;
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dm = m + s/60;
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}
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