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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
  25 public class AltosKML implements AltosWriter {
  26
  27         File                    name;
  28         PrintStream             out;
  29         int                     state = -1;
  30         AltosRecord             prev = null;
  31
  32         static final String[] kml_state_colors = {
  33                 "FF000000",
  34                 "FF000000",
  35                 "FF000000",
  36                 "FF0000FF",
  37                 "FF4080FF",
  38                 "FF00FFFF",
  39                 "FFFF0000",
  40                 "FF00FF00",
  41                 "FF000000",
  42                 "FFFFFFFF"
  43         };
  44
  45         static final String kml_header_start =
  46                 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
  47                 "<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" +
  48                 "<Document>\n" +
  49                 "  <name>AO Flight#%d S/N: %03d</name>\n" +
  50                 "  <description>\n";
  51         static final String kml_header_end =
  52                 "  </description>\n" +
  53                 "  <open>0</open>\n";
  54
  55         static final String kml_style_start =
  56                 "  <Style id=\"ao-flightstate-%s\">\n" +
  57                 "    <LineStyle><color>%s</color><width>4</width></LineStyle>\n" +
  58                 "    <BalloonStyle>\n" +
  59                 "      <text>\n";
  60
  61         static final String kml_style_end =
  62                 "      </text>\n" +
  63                 "    </BalloonStyle>\n" +
  64                 "  </Style>\n";
  65
  66         static final String kml_placemark_start =
  67                 "  <Placemark>\n" +
  68                 "    <name>%s</name>\n" +
  69                 "    <styleUrl>#ao-flightstate-%s</styleUrl>\n" +
  70                 "    <LineString>\n" +
  71                 "      <tessellate>1</tessellate>\n" +
  72                 "      <altitudeMode>absolute</altitudeMode>\n" +
  73                 "      <coordinates>\n";
  74
  75         static final String kml_coord_fmt =
  76         "        %12.7f, %12.7f, %12.7f <!-- alt %12.7f time %12.7f sats %d -->\n";
  77
  78         static final String kml_placemark_end =
  79                 "      </coordinates>\n" +
  80                 "    </LineString>\n" +
  81                 "  </Placemark>\n";
  82
  83         static final String kml_footer =
  84                 "</Document>\n" +
  85                 "</kml>\n";
  86
  87         void start (AltosRecord record) {
  88                 out.printf(kml_header_start, record.flight, record.serial);
  89                 out.printf("Date:   %04d-%02d-%02d\n",
  90                            record.gps.year, record.gps.month, record.gps.day);
  91                 out.printf("Time:     %2d:%02d:%02d\n",
  92                            record.gps.hour, record.gps.minute, record.gps.second);
  93                 out.printf("%s", kml_header_end);
  94         }
  95
  96         boolean started = false;
  97
  98         void state_start(AltosRecord record) {
  99                 String  state_name = Altos.state_name(record.state);
 100                 out.printf(kml_style_start, state_name, kml_state_colors[record.state]);
 101                 out.printf("\tState: %s\n", state_name);
 102                 out.printf("%s", kml_style_end);
 103                 out.printf(kml_placemark_start, state_name, state_name);
 104         }
 105
 106         void state_end(AltosRecord record) {
 107                 out.printf("%s", kml_placemark_end);
 108         }
 109
 110         void coord(AltosRecord record) {
 111                 AltosGPS        gps = record.gps;
 112                 out.printf(kml_coord_fmt,
 113                            gps.lon, gps.lat,
 114                            record.filtered_altitude(), (double) gps.alt,
 115                            record.time, gps.nsat);
 116         }
 117
 118         void end() {
 119                 out.printf("%s", kml_footer);
 120         }
 121
 122         public void close() {
 123                 if (prev != null) {
 124                         state_end(prev);
 125                         end();
 126                         prev = null;
 127                 }
 128         }
 129
 130         public void write(AltosRecord record) {
 131                 AltosGPS        gps = record.gps;
 132
 133                 if (gps == null)
 134                         return;
 135                 if (!started) {
 136                         start(record);
 137                         started = true;
 138                 }
 139                 if (prev != null &&
 140                     prev.gps.second == record.gps.second &&
 141                     prev.gps.minute == record.gps.minute &&
 142                     prev.gps.hour == record.gps.hour)
 143                         return;
 144                 if (record.state != state) {
 145                         state = record.state;
 146                         if (prev != null) {
 147                                 coord(record);
 148                                 state_end(prev);
 149                         }
 150                         state_start(record);
 151                 }
 152                 coord(record);
 153                 prev = record;
 154         }
 155
 156         public void write(AltosRecordIterable iterable) {
 157                 for (AltosRecord record : iterable)
 158                         write(record);
 159         }
 160
 161         public AltosKML(File in_name) throws FileNotFoundException {
 162                 name = in_name;
 163                 out = new PrintStream(name);
 164         }
 165
 166         public AltosKML(String in_string) throws FileNotFoundException {
 167                 this(new File(in_string));
 168         }
 169 }