blob: 218f7fa628dfb180e9508a55f54bad0849c86c7c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
#ifndef _SUN_H_
#define _SUN_H_
#include <math.h>
class Sun
{
public:
Sun(float latitude0): latitude(latitude0){};
float declination(int day) {return 23.4*sin(2*M_PI*(284+day)/365);}
float hourangle(float time) {return 15*(time-12);}
float evelationangle(int day, float time) {return asin(sin(declination(day)*M_PI/180)*
sin(latitude*M_PI/180)*
cos(hourangle(time)*M_PI/180)*
cos(declination(day)*M_PI/180)*
cos(latitude*M_PI/180))
*180/M_PI;}
private:
float latitude;
};
#endif /* _SUN_H_ */
|
