1 | #include "asigps.h"
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2 | #include <fstream.h>
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3 |
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4 | ASIGPS::ASIGPS(string const& filename) {
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5 | readFile(filename);
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6 | }
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7 |
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8 | void ASIGPS::readFile(string const& filename) {
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9 | ifstream f(filename.c_str());
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10 | while (f) {
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11 | char line[200];
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12 | f.getline(line,200);
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13 | if (!f) break;
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14 | char*p = line;
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15 | double mjd, lat, lon, alt;
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16 | if (*p != '3' && *p != '2') continue;
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17 | p++;
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18 | if (*p != 'D' && *p != 'd') continue;
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19 | p+=3;
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20 | if (strncmp(p,"99/jul/1",8)) continue;
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21 | p+=8;
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22 | if (*p == '7') mjd = 1376.5;
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23 | else if (*p == '8') mjd = 1377.5;
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24 | else continue;
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25 | p++;p++;
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26 | int h,m,s;
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27 | sscanf(p,"%2d:%2d:%2d",&h,&m,&s);
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28 | mjd += (h+m/60.+s/3600.)/24.;
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29 | p += 9;
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30 | if (*p == 'N') s = 1;
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31 | else if (*p == 'S') s = -1;
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32 | else continue;
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33 | p++;
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34 | int d,fm;
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35 | sscanf(p,"%2d.%2d,%3d",&d,&m,&fm);
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36 | lat = s*(d + m/60. + fm/60000.);
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37 | p+=10;
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38 | if (*p == 'E') s = 1;
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39 | else if (*p == 'W') s = -1;
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40 | else continue;
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41 | p++;
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42 | sscanf(p,"%3d.%2d,%3d",&d,&m,&fm);
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43 | lon = s*(d + m/60. + fm/60000.);
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44 | p+=11;
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45 | sscanf(p,"%5d",&d);
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46 | alt = d;
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47 | p+=5;
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48 | if (*p != 'm') continue;
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49 | AddValue(mjd, lat, lon, alt);
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50 | }
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51 | } |
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