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◆ clean_beam() [3/3]

std::vector< bool > radarelab::algo::Cleaner::clean_beam ( const Eigen::VectorXd & beam_z,
const Eigen::VectorXd & beam_w,
const Eigen::VectorXd & beam_v,
int i ) const

Funzione per ripulire raggio.Utilizza (sigmaV, V)

Parametri
[in]beam_z- raggio DBZH
[in]beam_w- raggio WRAD
[in]beam_v- raggio VRAD
Restituisce
raggio di valori boleani per correzione (true-> Da Correggere)

Definizione alla linea 38 del file cleaner.cpp.

39{
40 const unsigned beam_size = beam_z.rows();
41 vector<bool> res(beam_size, false);
42 bool in_a_segment = false;
43 unsigned start, end;
44 unsigned segment_length;
45 bool before, after;
46 unsigned counter = 0;
47
48 for (unsigned ibin = 0; ibin < beam_size; ++ibin)
49 {
50//printf(" %4d %4d %6.2f %6.2f %10.6f ",iray,ibin , beam_z(ibin),beam_v(ibin),beam_w(ibin));
51 if (!in_a_segment)
52 {
53 /* cerco la prima cella segmento da pulire*/
54 if (beam_w(ibin) == W_threshold && beam_v(ibin) == bin_wind_magic_number)
55 {
56//printf(" 1 ----- START SEGMENT ------");
57 in_a_segment = true;
58 start = ibin;
59 after = false;
60 before = false;
61 }
62// else printf(" 0 ");
63 } else {
64 /* cerco la fine segmento da pulire*/
65 if (beam_w(ibin) != W_threshold || beam_v(ibin) != bin_wind_magic_number || ibin == (beam_size - 1))
66 {
67 in_a_segment = false;
68 end = ibin - 1;
69 if (ibin == (beam_size - 1)) end = ibin; // caso particolare per fine raggio
70 /* Fine trovata ora procedo alla pulizia eventuale */
71 segment_length = end - start;
72 counter = counter + (unsigned)(segment_length);
73
74 unsigned c_b=0;
75 unsigned c_a=0;
76 /* Cerco dati validi in Z prima del segmento */
77 for (int ib = ibin - 12; ib < (signed)ibin; ++ib)
78 if (ib >= 0 && beam_z(ib) > Z_missing)
79 c_b++;
80 if (c_b > 0.25*12) before = true;
81
82 /* Cerco dati validi in Z dopo il segmento */
83 for (unsigned ia = ibin + 1; ia <= ibin + 12; ++ia)
84 if (ia < beam_size && beam_z(ia) >= Z_missing)
85 c_a++;
86 if (c_a > 0.25*12) after = true;
87
88//printf(" 0 ----- STOP SEGMENT ------ %4d -- %4d before %d %d after %d %d ",segment_length,counter, c_b,before, c_a, after);
89 if ((segment_length >= min_segment_length && !before && !after) ||
90 segment_length >= max_segment_length || counter > 100)
91 {
92 /* qui pulisco */
93 // printf (" pulisco %d %d %d \n",segment_length, min_segment_length, max_segment_length);
94 for (unsigned ib = start; ib <= end; ++ib)
95 if( beam_z(ib) > Z_missing)res[ib] = true;
96 }
97 }
98// else printf(" 1 ");
99 }
100//printf("\n");
101 }
102 return res;
103}
const double Z_missing
Valore dato mancante DBZH.
Definition cleaner.h:26
const double bin_wind_magic_number
valore magico per dati in formato SP20
Definition cleaner.h:29
const unsigned max_segment_length
lunghezza massima segmento in celle se più lungo pulisce in ogni caso
Definition cleaner.h:24
const double W_threshold
Soglia per WRAD.
Definition cleaner.h:27
const unsigned min_segment_length
lunghezza minima segmento in celle
Definition cleaner.h:23

Referenzia bin_wind_magic_number, max_segment_length, min_segment_length, W_threshold, e Z_missing.

Referenziato da clean().