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KmlTrackWriter.cpp
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1 //
2 // This file is part of the Marble Virtual Globe.
3 //
4 // This program is free software licensed under the GNU LGPL. You can
5 // find a copy of this license in LICENSE.txt in the top directory of
6 // the source code.
7 //
8 // Copyright 2011 Guillaume Martres <smarter@ubuntu.com>
9 //
10 
11 #include "KmlTrackWriter.h"
12 
13 #include "GeoDataTrack.h"
14 #include "GeoDataTypes.h"
15 #include "GeoWriter.h"
16 #include "KmlElementDictionary.h"
17 #include "KmlObjectTagWriter.h"
18 
19 using namespace Marble;
20 
21 static GeoTagWriterRegistrar s_writerPoint( GeoTagWriter::QualifiedName(GeoDataTypes::GeoDataTrackType,
22  kml::kmlTag_nameSpaceOgc22),
23  new KmlTrackWriter() );
24 
25 bool KmlTrackWriter::write( const GeoNode *node, GeoWriter &writer ) const
26 {
27  const GeoDataTrack *track = static_cast<const GeoDataTrack *>( node );
28 
29  writer.writeStartElement( "gx:Track" );
30  KmlObjectTagWriter::writeIdentifiers( writer, track );
31 
32  int points = track->size();
33  for ( int i = 0; i < points; i++ ) {
34  writer.writeElement( "when", track->whenList().at( i ).toString( Qt::ISODate ) );
35 
36  qreal lon, lat, alt;
37  track->coordinatesList().at( i ).geoCoordinates( lon, lat, alt, GeoDataCoordinates::Degree );
38  QString coord = QString::number( lon, 'f', 10 ) + ' '
39  + QString::number( lat, 'f', 10 ) + ' ' + QString::number( alt, 'f', 10 );
40 
41  writer.writeElement( "gx:coord", coord );
42  }
43  writer.writeEndElement();
44 
45  return true;
46 }
Marble::KmlTrackWriter::write
virtual bool write(const GeoNode *node, GeoWriter &writer) const
Definition: KmlTrackWriter.cpp:25
Marble::GeoDataTrack
A geometry for tracking objects made of (time, coordinates) pairs.
Definition: GeoDataTrack.h:54
KmlObjectTagWriter.h
Marble::GeoTagWriterRegistrar
Definition: GeoTagWriter.h:73
Marble::GeoNode
A shared base class for all classes that are mapped to a specific tag (ie.
Definition: GeoDocument.h:60
Marble::s_writerPoint
static GeoTagWriterRegistrar s_writerPoint(GeoTagWriter::QualifiedName(GeoDataTypes::GeoDataPointType, kml::kmlTag_nameSpaceOgc22), new KmlPointTagWriter())
QList::at
const T & at(int i) const
Marble::GeoDataTrack::whenList
QList< QDateTime > whenList() const
Returns the time value of all the points in the map, in chronological order.
Definition: GeoDataTrack.cpp:119
GeoDataTrack.h
Marble::GeoDataCoordinates::Degree
Definition: GeoDataCoordinates.h:66
Marble::GeoWriter::writeElement
void writeElement(const QString &namespaceUri, const QString &key, const QString &value)
Convenience method to write value with key prefixed format namespaceUri.
Definition: GeoWriter.cpp:84
Marble::KmlObjectTagWriter::writeIdentifiers
static void writeIdentifiers(GeoWriter &writer, const GeoDataObject *object)
Parses the id and targetId attributes and assign their values to the given object.
Definition: KmlObjectTagWriter.cpp:15
GeoWriter.h
QString::number
QString number(int n, int base)
KmlElementDictionary.h
Marble::GeoWriter
Standard Marble way of writing XML This class is intended to be a standardised way of writing XML for...
Definition: GeoWriter.h:29
QString
Marble::GeoDataTrack::size
int size() const
Returns the number of points in the track.
Definition: GeoDataTrack.cpp:81
Marble::KmlTrackWriter
Definition: KmlTrackWriter.h:18
QPair< QString, QString >
Marble::kml::kmlTag_nameSpaceOgc22
const char * kmlTag_nameSpaceOgc22
Definition: KmlElementDictionary.cpp:34
Marble::GeoDataTrack::coordinatesList
QList< GeoDataCoordinates > coordinatesList() const
Returns the coordinates of all the points in the map, sorted by their time value. ...
Definition: GeoDataTrack.cpp:114
KmlTrackWriter.h
GeoDataTypes.h
Marble::GeoDataTypes::GeoDataTrackType
const char * GeoDataTrackType
Definition: GeoDataTypes.cpp:86
QXmlStreamWriter::writeEndElement
void writeEndElement()
QXmlStreamWriter::writeStartElement
void writeStartElement(const QString &qualifiedName)
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