CDPP / AMDA_Kernel

Blame view

src/ExternLib/mex_imah_calculate/mex_imah_calculate.cc 2.63 KB
Edit Raw Normal View History
4ff9a3bd   Elena.Budnik   MEX IMA plugin 
1
2
3
4
5
6
7
8
9
10
11
12
 
#include "mex_imah_calculate.hh"
#include <math.h>

namespace AMDA {
namespace Parameters {
	
	Tab2DData<float> mex_imah_calculate(const Tab2DData<float>& Hsp, const Tab2DData<float>& Gsp, const std::vector<double>& Energy, const short& Pacc, bool isFlux)
	{
		Tab2DData<float> lImaH(Hsp.getDim1Size(),96);
		float samplingTime = 0.1209;	
		float GeffH, GeffG;
a4698d47   Benjamin Renard   Fix StatisticProc... 
13
 
		for(int i = 0; i < Hsp.getDim1Size(); ++i) { // Different elevations number
4ff9a3bd   Elena.Budnik   MEX IMA plugin 
14
15
16
 
			std::vector<float> imaHVector = Hsp[i];
			std::vector<float> imaGVector = Gsp[i];
			for (unsigned int iEn = 0; iEn < 96; iEn++) {// 96 Energy Steps
894da9d0   Benjamin Renard   Fix mex_imah_calc... 
17
18
19
20
21
 
				if (isNAN(imaHVector[iEn]) && isNAN(imaGVector[iEn])) {
					(lImaH[i])[iEn] = NAN;
					continue;
				}
				(lImaH[i])[iEn] = 0;
4ff9a3bd   Elena.Budnik   MEX IMA plugin 
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
				
				if ((float)Energy[iEn] > 0 &&  (imaHVector[iEn] + imaGVector[iEn]) > 0)
				{
					GeffH = gfl(Pacc, (float)Energy[iEn], false);
					GeffG = gfl(Pacc, (float)Energy[iEn], true);
					
					float coeffH = 0.0;
					if (GeffH > 0) {
						if (isFlux) // diff flux
							coeffH = 1.0/(GeffH * (float)Energy[iEn] * samplingTime);
						else // counts
							coeffH = 1.e-5/GeffH; 
					}
					
					float coeffG = 0.0;
					if (GeffG > 0) {
						if (isFlux) // diff flux
							coeffG = 1.0/(GeffG * (float)Energy[iEn] * samplingTime);
						else // counts
							coeffG = 1.e-5/GeffG; 
					}
894da9d0   Benjamin Renard   Fix mex_imah_calc... 
43
4ff9a3bd   Elena.Budnik   MEX IMA plugin 
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
 
					(lImaH[i])[iEn] = (imaHVector[iEn]*coeffH + imaGVector[iEn]*coeffG);
				}	 
			}
		} 
		
		return lImaH; 
	}
	
	/*
	 *   Calculate GeometricFactor for MEX / IMA / H+ special case (ghost!)
	 */
	float gfl(const short Pacc,  const float Energy, bool isGhost)
	{
		float Gl = -1.0;
		
		switch ( Pacc ) {
			case 0:
				Gl = exp(-0.378481*log(Energy) - 9.05248);
			break;
			case 4:
				if (isGhost) {
					if ((Energy < 800.0) && (Energy > 300.0))
						Gl = exp((14.0-13.1224)/(6.68461-6.21461)*(log(Energy) - 6.21461)-14.0);
					else if ((Energy >= 800.0) && (Energy < 1500.0))
						Gl = 2.0e-6;
					else if ((Energy >= 1500.0) && (Energy < 3000.0)) 
						Gl = exp((13.1224-14.4902)/(7.82405-7.31322)*(log(Energy) - 7.31322)-13.1224);
					else Gl = -4.0; 
					
					Gl = Gl /4.0;
				}
				else {
					if (Energy > 2000.0) 
						Gl = exp(-0.554935*log(Energy) - 6.40179);
					else if (Energy > 800.0)
						Gl = exp((15.6942-10.6198)/(7.60090-6.68461)*(log(Energy)-6.68461)-15.6942);
					else 
						Gl = -1.0;
				}
			break;
			case 7:
				if (isGhost) {
					if (Energy < 1500.0)
						Gl = 2.0e-5; 
					else Gl = -1.0;
				}
				else {
					if (Energy > 1500.0)
						Gl = exp(-0.611844*log(Energy) -5.31592);
					else 
						Gl = -1.0;
				}
			break;
			default:
				Gl = -1.0;
			break;
		}
		
		return Gl;
	}
}
a4698d47   Benjamin Renard   Fix StatisticProc... 
105
 
}