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package tim.prune.save.xml;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import tim.prune.config.ColourUtils;
import tim.prune.data.Coordinate;
import tim.prune.data.DataPoint;
import tim.prune.data.Track;
import tim.prune.data.TrackInfo;
import tim.prune.data.UnitSetLibrary;
/** KmlWriter for version 2.3 */
public class KmlWriter23 extends KmlWriter
{
public KmlWriter23(TrackInfo inTrackInfo, KmlExportOptions inOptions, ProgressUpdater inUpdater) {
super(inTrackInfo, inOptions, inUpdater);
}
/** Xml 2.3 header without extension */
protected void writeXmlHeader(OutputStreamWriter inWriter) throws IOException
{
// Header must still say 2.2 even though it's 2.3
inWriter.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
+ "<kml xmlns=\"http://earth.google.com/kml/2.2\">\n");
}
// TODO: Write timestamps too in the KML 2.3 version (without gx)
protected int writeTrack(OutputStreamWriter inWriter, boolean inAbsoluteAltitudes,
int inSelStart, int inSelEnd) throws IOException
{
int numSaved = 0;
// Set up strings for start and end of track segment
String trackStart = "\t<Placemark>\n\t\t<name>track</name>\n\t\t<Style>\n\t\t\t<LineStyle>\n"
+ "\t\t\t\t<color>cc" + reverseRGB(ColourUtils.makeHexCode(_exportOptions.getTrackColour())) + "</color>\n"
+ "\t\t\t\t<width>4</width>\n\t\t\t</LineStyle>\n"
+ "\t\t</Style>\n\t\t<LineString>\n";
if (inAbsoluteAltitudes) {
trackStart += "\t\t\t<extrude>1</extrude>\n\t\t\t<altitudeMode>absolute</altitudeMode>\n";
}
else {
trackStart += "\t\t\t<altitudeMode>clampToGround</altitudeMode>\n";
}
trackStart += "\t\t\t<coordinates>";
String trackEnd = "\t\t\t</coordinates>\n\t\t</LineString>\n\t</Placemark>";
boolean justSelection = _exportOptions.getExportJustSelection();
// Start segment
inWriter.write(trackStart);
// Loop over track points
final Track track = _trackInfo.getTrack();
boolean firstTrackpoint = true;
final int numPoints = track.getNumPoints();
for (int i=0; i<numPoints; i++)
{
DataPoint point = track.getPoint(i);
boolean writeCurrentPoint = !justSelection || (i>=inSelStart && i<=inSelEnd);
// ignore points with photos or audios here, just write the track points
if (!point.isWaypoint() && writeCurrentPoint && !point.hasMedia())
{
// start new track segment if necessary
if (point.getSegmentStart() && !firstTrackpoint) {
inWriter.write(trackEnd);
inWriter.write(trackStart);
}
if (point.getPhoto() == null)
{
exportTrackpoint(point, inWriter);
numSaved++;
firstTrackpoint = false;
}
}
}
// end segment
inWriter.write(trackEnd);
return numSaved;
}
/**
* Export the specified trackpoint into the file
* @param inPoint trackpoint to export
* @param inWriter writer object
*/
private void exportTrackpoint(DataPoint inPoint, Writer inWriter) throws IOException
{
inWriter.write(inPoint.getLongitude().output(Coordinate.Format.DECIMAL_FORCE_POINT));
inWriter.write(',');
inWriter.write(inPoint.getLatitude().output(Coordinate.Format.DECIMAL_FORCE_POINT));
// Altitude if point has one
inWriter.write(',');
if (inPoint.hasAltitude()) {
inWriter.write("" + inPoint.getAltitude().getStringValue(UnitSetLibrary.UNITS_METRES));
}
else {
inWriter.write('0');
}
inWriter.write('\n');
}
}
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