git.gag.com Git - fw/altos/blob - altosui/AltosFlightStats.java

   1 /*
   2  * Copyright © 2011 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package altosui;
  19
  20 import java.io.*;
  21 import org.altusmetrum.AltosLib.*;
  22
  23 public class AltosFlightStats {
  24         double          max_height;
  25         double          max_speed;
  26         double          max_acceleration;
  27         double[]        state_accel_speed = new double[Altos.ao_flight_invalid + 1];
  28         double[]        state_baro_speed = new double[Altos.ao_flight_invalid + 1];
  29         double[]        state_accel = new double[Altos.ao_flight_invalid + 1];
  30         int[]           state_count = new int[Altos.ao_flight_invalid + 1];
  31         double[]        state_start = new double[Altos.ao_flight_invalid + 1];
  32         double[]        state_end = new double[Altos.ao_flight_invalid + 1];
  33         int             serial;
  34         int             flight;
  35         int             year, month, day;
  36         int             hour, minute, second;
  37
  38         double landed_time(AltosRecordIterable iterable) {
  39                 AltosState      state = null;
  40                 for (AltosRecord record : iterable) {
  41                         state = new AltosState(record, state);
  42
  43                         if (state.state == Altos.ao_flight_landed)
  44                                 break;
  45                 }
  46
  47                 double  landed_height = state.height;
  48
  49                 state = null;
  50
  51                 boolean above = true;
  52
  53                 double  landed_time = -1000;
  54
  55                 for (AltosRecord record : iterable) {
  56                         state = new AltosState(record, state);
  57
  58                         if (state.height > landed_height + 10) {
  59                                 above = true;
  60                         } else {
  61                                 if (above && state.height < landed_height + 2) {
  62                                         above = false;
  63                                         landed_time = state.time;
  64                                 }
  65                         }
  66                 }
  67                 if (landed_time == -1000)
  68                         landed_time = state.time;
  69                 return landed_time;
  70         }
  71
  72         double boost_time(AltosRecordIterable iterable) {
  73                 double boost_time = -1000;
  74
  75                 AltosState state = null;
  76
  77                 for (AltosRecord record : iterable) {
  78                         state = new AltosState(record, state);
  79
  80                         if (state.acceleration < 1)
  81                                 boost_time = state.time;
  82                         if (state.state >= Altos.ao_flight_boost)
  83                                 break;
  84                 }
  85                 if (boost_time == -1000)
  86                         boost_time = state.time;
  87                 return boost_time;
  88         }
  89
  90
  91         public AltosFlightStats(AltosRecordIterable iterable) throws InterruptedException, IOException {
  92                 AltosState      state = null;
  93                 AltosState      new_state = null;
  94                 double          boost_time = boost_time(iterable);
  95                 double          end_time = 0;
  96                 double          landed_time = landed_time(iterable);
  97
  98                 year = month = day = -1;
  99                 hour = minute = second = -1;
 100                 serial = flight = -1;
 101                 for (AltosRecord record : iterable) {
 102                         if (serial < 0)
 103                                 serial = record.serial;
 104                         if ((record.seen & AltosRecord.seen_flight) != 0 && flight < 0)
 105                                 flight = record.flight;
 106                         new_state = new AltosState(record, state);
 107                         end_time = new_state.time;
 108                         state = new_state;
 109                         if (state.time >= boost_time && state.state < Altos.ao_flight_boost)
 110                                 state.state = Altos.ao_flight_boost;
 111                         if (state.time >= landed_time && state.state < Altos.ao_flight_landed)
 112                                 state.state = Altos.ao_flight_landed;
 113                         if (0 <= state.state && state.state < Altos.ao_flight_invalid) {
 114                                 if (state.state >= Altos.ao_flight_boost) {
 115                                         if (state.gps != null && state.gps.locked &&
 116                                             year < 0) {
 117                                                 year = state.gps.year;
 118                                                 month = state.gps.month;
 119                                                 day = state.gps.day;
 120                                                 hour = state.gps.hour;
 121                                                 minute = state.gps.minute;
 122                                                 second = state.gps.second;
 123                                         }
 124                                 }
 125                                 state_accel[state.state] += state.acceleration;
 126                                 state_accel_speed[state.state] += state.accel_speed;
 127                                 state_baro_speed[state.state] += state.baro_speed;
 128                                 state_count[state.state]++;
 129                                 if (state_start[state.state] == 0.0)
 130                                         state_start[state.state] = state.time;
 131                                 if (state_end[state.state] < state.time)
 132                                         state_end[state.state] = state.time;
 133                                 max_height = state.max_height;
 134                                 if (state.max_accel_speed != 0)
 135                                         max_speed = state.max_accel_speed;
 136                                 else
 137                                         max_speed = state.max_baro_speed;
 138                                 max_acceleration = state.max_acceleration;
 139                         }
 140                 }
 141                 for (int s = Altos.ao_flight_startup; s <= Altos.ao_flight_landed; s++) {
 142                         if (state_count[s] > 0) {
 143                                 state_accel_speed[s] /= state_count[s];
 144                                 state_baro_speed[s] /= state_count[s];
 145                                 state_accel[s] /= state_count[s];
 146                         }
 147                         if (state_start[s] == 0)
 148                                 state_start[s] = end_time;
 149                         if (state_end[s] == 0)
 150                                 state_end[s] = end_time;
 151                 }
 152         }
 153 }