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   1 /*
   2  * Copyright © 2010 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.lang.*;
  21 import java.io.*;
  22 import java.text.*;
  23 import java.util.*;
  24 import org.altusmetrum.AltosLib.*;
  25
  26 public class AltosKML implements AltosWriter {
  27
  28         File                    name;
  29         PrintStream             out;
  30         int                     state = -1;
  31         AltosRecord             prev = null;
  32
  33         static final String[] kml_state_colors = {
  34                 "FF000000",
  35                 "FF000000",
  36                 "FF000000",
  37                 "FF0000FF",
  38                 "FF4080FF",
  39                 "FF00FFFF",
  40                 "FFFF0000",
  41                 "FF00FF00",
  42                 "FF000000",
  43                 "FFFFFFFF"
  44         };
  45
  46         static final String kml_header_start =
  47                 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
  48                 "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" +
  49                 "<Document>\n" +
  50                 "  <name>AO Flight#%d S/N: %03d</name>\n" +
  51                 "  <description>\n";
  52         static final String kml_header_end =
  53                 "  </description>\n" +
  54                 "  <open>0</open>\n";
  55
  56         static final String kml_style_start =
  57                 "  <Style id=\"ao-flightstate-%s\">\n" +
  58                 "    <LineStyle><color>%s</color><width>4</width></LineStyle>\n" +
  59                 "    <BalloonStyle>\n" +
  60                 "      <text>\n";
  61
  62         static final String kml_style_end =
  63                 "      </text>\n" +
  64                 "    </BalloonStyle>\n" +
  65                 "  </Style>\n";
  66
  67         static final String kml_placemark_start =
  68                 "  <Placemark>\n" +
  69                 "    <name>%s</name>\n" +
  70                 "    <styleUrl>#ao-flightstate-%s</styleUrl>\n" +
  71                 "    <LineString>\n" +
  72                 "      <tessellate>1</tessellate>\n" +
  73                 "      <altitudeMode>absolute</altitudeMode>\n" +
  74                 "      <coordinates>\n";
  75
  76         static final String kml_coord_fmt =
  77         "        %.7f,%.7f,%.7f <!-- alt %12.7f time %12.7f sats %d -->\n";
  78
  79         static final String kml_placemark_end =
  80                 "      </coordinates>\n" +
  81                 "    </LineString>\n" +
  82                 "  </Placemark>\n";
  83
  84         static final String kml_footer =
  85                 "</Document>\n" +
  86                 "</kml>\n";
  87
  88         void start (AltosRecord record) {
  89                 out.printf(kml_header_start, record.flight, record.serial);
  90                 out.printf("Date:   %04d-%02d-%02d\n",
  91                            record.gps.year, record.gps.month, record.gps.day);
  92                 out.printf("Time:     %2d:%02d:%02d\n",
  93                            record.gps.hour, record.gps.minute, record.gps.second);
  94                 out.printf("%s", kml_header_end);
  95         }
  96
  97         boolean started = false;
  98
  99         void state_start(AltosRecord record) {
 100                 String  state_name = Altos.state_name(record.state);
 101                 out.printf(kml_style_start, state_name, kml_state_colors[record.state]);
 102                 out.printf("\tState: %s\n", state_name);
 103                 out.printf("%s", kml_style_end);
 104                 out.printf(kml_placemark_start, state_name, state_name);
 105         }
 106
 107         void state_end(AltosRecord record) {
 108                 out.printf("%s", kml_placemark_end);
 109         }
 110
 111         void coord(AltosRecord record) {
 112                 AltosGPS        gps = record.gps;
 113                 out.printf(kml_coord_fmt,
 114                            gps.lon, gps.lat,
 115                            record.filtered_altitude(), (double) gps.alt,
 116                            record.time, gps.nsat);
 117         }
 118
 119         void end() {
 120                 out.printf("%s", kml_footer);
 121         }
 122
 123         public void close() {
 124                 if (prev != null) {
 125                         state_end(prev);
 126                         end();
 127                         prev = null;
 128                 }
 129         }
 130
 131         public void write(AltosRecord record) {
 132                 AltosGPS        gps = record.gps;
 133
 134                 if (gps == null) {
 135                         System.out.printf ("no gps\n");
 136                         return;
 137                 }
 138
 139                 System.out.printf ("seen %x\n", record.seen);
 140                 if ((record.seen & (AltosRecord.seen_flight)) == 0)
 141                         return;
 142                 if ((record.seen & (AltosRecord.seen_gps_lat)) == 0)
 143                         return;
 144                 if ((record.seen & (AltosRecord.seen_gps_lon)) == 0)
 145                         return;
 146                 if (!started) {
 147                         start(record);
 148                         started = true;
 149                 }
 150                 if (prev != null &&
 151                     prev.gps.second == record.gps.second &&
 152                     prev.gps.minute == record.gps.minute &&
 153                     prev.gps.hour == record.gps.hour)
 154                         return;
 155                 if (record.state != state) {
 156                         state = record.state;
 157                         if (prev != null) {
 158                                 coord(record);
 159                                 state_end(prev);
 160                         }
 161                         state_start(record);
 162                 }
 163                 coord(record);
 164                 prev = record;
 165         }
 166
 167         public void write(AltosRecordIterable iterable) {
 168                 for (AltosRecord record : iterable)
 169                         write(record);
 170         }
 171
 172         public AltosKML(File in_name) throws FileNotFoundException {
 173                 name = in_name;
 174                 out = new PrintStream(name);
 175         }
 176
 177         public AltosKML(String in_string) throws FileNotFoundException {
 178                 this(new File(in_string));
 179         }
 180 }