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/*
* Copyright © 2010 Keith Packard <keithp@keithp.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
package org.altusmetrum.altoslib_5;
import java.io.*;
public class AltosKML implements AltosWriter {
File name;
PrintStream out;
int flight_state = -1;
AltosState prev = null;
double gps_start_altitude;
static final String[] kml_state_colors = {
"FF000000", // startup
"FF000000", // idle
"FF000000", // pad
"FF0000FF", // boost
"FF4080FF", // fast
"FF00FFFF", // coast
"FFFF0000", // drogue
"FF00FF00", // main
"FF000000", // landed
"FFFFFFFF", // invalid
"FFFF0000", // stateless
};
static String state_color(int state) {
if (state < 0 || kml_state_colors.length <= state)
return kml_state_colors[AltosLib.ao_flight_invalid];
return kml_state_colors[state];
}
static final String kml_header_start =
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
"<kml xmlns=\"http://www.opengis.net/kml/2.2\">\n" +
"<Document>\n" +
" <name>AO Flight#%d S/N: %03d</name>\n" +
" <description>\n";
static final String kml_header_end =
" </description>\n" +
" <open>0</open>\n";
static final String kml_style_start =
" <Style id=\"ao-flightstate-%s\">\n" +
" <LineStyle><color>%s</color><width>4</width></LineStyle>\n" +
" <BalloonStyle>\n" +
" <text>\n";
static final String kml_style_end =
" </text>\n" +
" </BalloonStyle>\n" +
" </Style>\n";
static final String kml_placemark_start =
" <Placemark>\n" +
" <name>%s</name>\n" +
" <styleUrl>#ao-flightstate-%s</styleUrl>\n" +
" <LineString>\n" +
" <tessellate>1</tessellate>\n" +
" <altitudeMode>absolute</altitudeMode>\n" +
" <coordinates>\n";
static final String kml_coord_fmt =
" %.7f,%.7f,%.7f <!-- alt %12.7f time %12.7f sats %d -->\n";
static final String kml_placemark_end =
" </coordinates>\n" +
" </LineString>\n" +
" </Placemark>\n";
static final String kml_footer =
"</Document>\n" +
"</kml>\n";
void start (AltosState record) {
out.printf(kml_header_start, record.flight, record.serial);
out.printf("Date: %04d-%02d-%02d\n",
record.gps.year, record.gps.month, record.gps.day);
out.printf("Time: %2d:%02d:%02d\n",
record.gps.hour, record.gps.minute, record.gps.second);
out.printf("%s", kml_header_end);
}
boolean started = false;
void state_start(AltosState state) {
String state_name = AltosLib.state_name(state.state);
String state_color = state_color(state.state);
out.printf(kml_style_start, state_name, state_color);
out.printf("\tState: %s\n", state_name);
out.printf("%s", kml_style_end);
out.printf(kml_placemark_start, state_name, state_name);
}
void state_end(AltosState state) {
out.printf("%s", kml_placemark_end);
}
void coord(AltosState state) {
AltosGPS gps = state.gps;
double altitude;
if (state.height() != AltosLib.MISSING)
altitude = state.height() + gps_start_altitude;
else
altitude = gps.alt;
out.printf(kml_coord_fmt,
gps.lon, gps.lat,
altitude, (double) gps.alt,
state.time, gps.nsat);
}
void end() {
out.printf("%s", kml_footer);
}
public void close() {
if (prev != null) {
state_end(prev);
end();
prev = null;
}
}
public void write(AltosState state) {
AltosGPS gps = state.gps;
if (gps == null)
return;
if (gps.lat == AltosLib.MISSING)
return;
if (gps.lon == AltosLib.MISSING)
return;
if (!started) {
start(state);
started = true;
gps_start_altitude = gps.alt;
}
if (prev != null && prev.gps_sequence == state.gps_sequence)
return;
if (state.state != flight_state) {
flight_state = state.state;
if (prev != null) {
coord(state);
state_end(prev);
}
state_start(state);
}
coord(state);
prev = state;
}
public void write(AltosStateIterable states) {
for (AltosState state : states) {
if ((state.set & AltosState.set_gps) != 0)
write(state);
}
}
public AltosKML(File in_name) throws FileNotFoundException {
name = in_name;
out = new PrintStream(name);
}
public AltosKML(String in_string) throws FileNotFoundException {
this(new File(in_string));
}
}
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