Beispiel #1
0
/**
 * @brief KmlExport::CreateLineStringPlacemark Adds a line segment which is colored according to the
 * vehicle's speed.
 * @param startPoint Beginning point along line
 * @param endPoint End point point along line
 * @return Returns the placemark containing the line segment
 */
PlacemarkPtr KmlExport::CreateLineStringPlacemark(const LLAVCoordinates &startPoint, const LLAVCoordinates &endPoint, quint32 newPlacemarkTime)
{
    CoordinatesPtr coordinates = factory->CreateCoordinates();
    coordinates->add_latlngalt(startPoint.latitude, startPoint.longitude, startPoint.altitude);
    coordinates->add_latlngalt(endPoint.latitude,   endPoint.longitude,   endPoint.altitude);

    LineStringPtr linestring = factory->CreateLineString();
    linestring->set_extrude(true); // Extrude to ground
    linestring->set_altitudemode(kmldom::ALTITUDEMODE_ABSOLUTE);
    linestring->set_coordinates(coordinates);

    StyleMapPtr styleMap = factory->CreateStyleMap();


    // Add custom balloon style (gets rid of "Directions to here...")
    // https://groups.google.com/forum/?fromgroups#!topic/kml-support-getting-started/2CqF9oiynRY
    BalloonStylePtr balloonStyle = factory->CreateBalloonStyle();
    balloonStyle->set_text("$[description]");

    {
        double currentVelocity = (startPoint.groundspeed + endPoint.groundspeed)/2;

        // Set the linestyle. The color is a function of speed.
        LineStylePtr lineStyle = factory->CreateLineStyle();
        lineStyle->set_color(mapVelocity2Color(currentVelocity));

        PolyStylePtr polyStyle = factory->CreatePolyStyle();
        polyStyle->set_color(mapVelocity2Color(currentVelocity, 100));

        // Link the style to the icon
        StylePtr style = factory->CreateStyle();
        style->set_balloonstyle(balloonStyle);
        style->set_linestyle(lineStyle);
        style->set_polystyle(polyStyle);

        PairPtr pair = factory->CreatePair();
        pair->set_styleselector(style);
        pair->set_key(kmldom::STYLESTATE_NORMAL);

        styleMap->add_pair(pair);
    }

    {
        double currentVelocity = (startPoint.groundspeed + endPoint.groundspeed)/2;

        // Set the linestyle. The color is a function of speed.
        LineStylePtr lineStyle = factory->CreateLineStyle();
        lineStyle->set_color(mapVelocity2Color(currentVelocity));

        PolyStylePtr polyStyle = factory->CreatePolyStyle();
        polyStyle->set_color(mapVelocity2Color(currentVelocity, 100));
        polyStyle->set_fill(false);

        // Link the style to the icon
        StylePtr style = factory->CreateStyle();
        style->set_balloonstyle(balloonStyle);
        style->set_linestyle(lineStyle);
        style->set_polystyle(polyStyle);

        PairPtr pair = factory->CreatePair();
        pair->set_styleselector(style);
        pair->set_key(kmldom::STYLESTATE_HIGHLIGHT);

        styleMap->add_pair(pair);
    }

    PlacemarkPtr placemark = factory->CreatePlacemark();
    placemark->set_geometry(linestring);
    placemark->set_styleselector(styleMap);
    placemark->set_visibility(true);

    // Create the timespan
    TimeSpanPtr timeSpan = factory->CreateTimeSpan();
    QDateTime startTime = QDateTime::currentDateTimeUtc().addMSecs(newPlacemarkTime); // FIXME: Make this a function of the true time, preferably gotten from the GPS
    QDateTime endTime = QDateTime::currentDateTimeUtc().addMSecs(newPlacemarkTime);
    timeSpan->set_begin(startTime.toString(dateTimeFormat).toStdString());
    timeSpan->set_end(endTime.toString(dateTimeFormat).toStdString());

    // Set the name
    QDateTime trackTime = QDateTime::currentDateTimeUtc().addMSecs(newPlacemarkTime); // FIXME: Make it a function of the realtime preferably gotten from the GPS
    placemark->set_name(trackTime.toString(dateTimeFormat).toStdString());

    // Add a nice description to the track placemark
    placemark->set_description(informationString.toStdString());

    // Set the timespan
    placemark->set_timeprimitive(timeSpan);

    return placemark;
}
Beispiel #2
0
ElementPtr geom2kml (
    OGRGeometry * poOgrGeom,
    int extra,
    KmlFactory * poKmlFactory )
{
    int i;

    if ( !poOgrGeom ) {
        return NULL;
    }

    /***** ogr geom vars *****/

    OGRPoint *poOgrPoint = NULL;
    OGRLineString *poOgrLineString;
    OGRPolygon *poOgrPolygon;
    OGRGeometryCollection *poOgrMultiGeom;

    /***** libkml geom vars *****/

    CoordinatesPtr coordinates;
    PointPtr poKmlPoint;
    LineStringPtr poKmlLineString;
    LinearRingPtr poKmlLinearRing;
    OuterBoundaryIsPtr poKmlOuterRing;
    InnerBoundaryIsPtr poKmlInnerRing;
    PolygonPtr poKmlPolygon;
    MultiGeometryPtr poKmlMultiGeometry;

    ElementPtr poKmlGeometry;
    ElementPtr poKmlTmpGeometry;

    /***** other vars *****/

    double x,
        y,
        z;

    int numpoints = 0;
    int nGeom;
    OGRwkbGeometryType type = poOgrGeom->getGeometryType (  );

    switch ( type ) {

    case wkbPoint:

        poOgrPoint = ( OGRPoint * ) poOgrGeom;
        if (poOgrPoint->getCoordinateDimension() == 0)
        {
            poKmlGeometry = poKmlPoint = poKmlFactory->CreatePoint (  );
        }
        else
        {
            x = poOgrPoint->getX (  );
            y = poOgrPoint->getY (  );

            if ( x > 180 )
                x -= 360;

            coordinates = poKmlFactory->CreateCoordinates (  );
            coordinates->add_latlng ( y, x );
            poKmlGeometry = poKmlPoint = poKmlFactory->CreatePoint (  );
            poKmlPoint->set_coordinates ( coordinates );
        }

        break;

    case wkbPoint25D:
        poOgrPoint = ( OGRPoint * ) poOgrGeom;

        x = poOgrPoint->getX (  );
        y = poOgrPoint->getY (  );
        z = poOgrPoint->getZ (  );

        if ( x > 180 )
            x -= 360;

        coordinates = poKmlFactory->CreateCoordinates (  );
        coordinates->add_latlngalt ( y, x, z );
        poKmlGeometry = poKmlPoint = poKmlFactory->CreatePoint (  );
        poKmlPoint->set_coordinates ( coordinates );

        break;

    case wkbLineString:
        poOgrLineString = ( OGRLineString * ) poOgrGeom;

        if( extra >= 0 )
        {
            ((OGRLinearRing*)poOgrGeom)->closeRings();
        }

        numpoints = poOgrLineString->getNumPoints (  );
        if( extra >= 0 )
        {
            if( numpoints < 4 &&
                CPLTestBool(CPLGetConfigOption("LIBKML_STRICT_COMPLIANCE", "TRUE")) )
            {
                CPLError(CE_Failure, CPLE_NotSupported, "A linearring should have at least 4 points");
                return NULL;
            }
        }
        else
        {
            if( numpoints < 2 &&
                CPLTestBool(CPLGetConfigOption("LIBKML_STRICT_COMPLIANCE", "TRUE")) )
            {
                CPLError(CE_Failure, CPLE_NotSupported, "A linestring should have at least 2 points");
                return NULL;
            }
        }

        coordinates = poKmlFactory->CreateCoordinates (  );

        poOgrPoint = new OGRPoint (  );

        for ( i = 0; i < numpoints; i++ ) {
            poOgrLineString->getPoint ( i, poOgrPoint );

            x = poOgrPoint->getX (  );
            y = poOgrPoint->getY (  );

            if ( x > 180 )
                x -= 360;

            coordinates->add_latlng ( y, x );
        }
        delete poOgrPoint;

        /***** check if its a wkbLinearRing *****/

        if ( extra < 0 ) {

            poKmlGeometry = poKmlLineString =
                poKmlFactory->CreateLineString (  );
            poKmlLineString->set_coordinates ( coordinates );

            break;
        }

      /***** fallthrough *****/

    case wkbLinearRing:        //this case is for readability only

        poKmlLinearRing = poKmlFactory->CreateLinearRing (  );
        poKmlLinearRing->set_coordinates ( coordinates );

        if ( !extra ) {
            poKmlOuterRing = poKmlFactory->CreateOuterBoundaryIs (  );
            poKmlOuterRing->set_linearring ( poKmlLinearRing );
            poKmlGeometry = poKmlOuterRing;
        }
        else {
            poKmlGeometry = poKmlInnerRing =
                poKmlFactory->CreateInnerBoundaryIs (  );
            poKmlInnerRing->set_linearring ( poKmlLinearRing );
        }

        break;

    case wkbLineString25D:

        poOgrLineString = ( OGRLineString * ) poOgrGeom;

        if( extra >= 0 )
        {
            ((OGRLinearRing*)poOgrGeom)->closeRings();
        }

        numpoints = poOgrLineString->getNumPoints (  );
        if( extra >= 0 )
        {
            if( numpoints < 4 &&
                CPLTestBool(CPLGetConfigOption("LIBKML_STRICT_COMPLIANCE", "TRUE")) )
            {
                CPLError(CE_Failure, CPLE_NotSupported, "A linearring should have at least 4 points");
                return NULL;
            }
        }
        else
        {
            if( numpoints < 2 &&
                CPLTestBool(CPLGetConfigOption("LIBKML_STRICT_COMPLIANCE", "TRUE")) )
            {
                CPLError(CE_Failure, CPLE_NotSupported, "A linestring should have at least 2 points");
                return NULL;
            }
        }

        coordinates = poKmlFactory->CreateCoordinates (  );
        poOgrPoint = new OGRPoint (  );

        for ( i = 0; i < numpoints; i++ ) {
            poOgrLineString->getPoint ( i, poOgrPoint );

            x = poOgrPoint->getX (  );
            y = poOgrPoint->getY (  );
            z = poOgrPoint->getZ (  );

            if ( x > 180 )
                x -= 360;

            coordinates->add_latlngalt ( y, x, z );
        }
        delete poOgrPoint;

        /***** check if its a wkbLinearRing *****/

        if ( extra < 0 ) {

            poKmlGeometry = poKmlLineString =
                poKmlFactory->CreateLineString (  );
            poKmlLineString->set_coordinates ( coordinates );

            break;
        }
            /***** fallthrough *****/

        //case wkbLinearRing25D: // this case is for readability only

        poKmlLinearRing = poKmlFactory->CreateLinearRing (  );
        poKmlLinearRing->set_coordinates ( coordinates );

        if ( !extra ) {
            poKmlGeometry = poKmlOuterRing =
                poKmlFactory->CreateOuterBoundaryIs (  );
            poKmlOuterRing->set_linearring ( poKmlLinearRing );
        }
        else {
            poKmlGeometry = poKmlInnerRing =
                poKmlFactory->CreateInnerBoundaryIs (  );
            poKmlInnerRing->set_linearring ( poKmlLinearRing );
        }

        break;

    case wkbPolygon:

        CPLErrorReset();
        if( CPLTestBool(CPLGetConfigOption("LIBKML_STRICT_COMPLIANCE", "TRUE")) &&
            OGRGeometryFactory::haveGEOS() && (!poOgrGeom->IsValid() ||
             CPLGetLastErrorType() != CE_None) )
        {
            CPLError(CE_Failure, CPLE_NotSupported, "Invalid polygon");
            return NULL;
        }
        poOgrPolygon = ( OGRPolygon * ) poOgrGeom;

        poKmlGeometry = poKmlPolygon = poKmlFactory->CreatePolygon (  );

        poKmlTmpGeometry = geom2kml ( poOgrPolygon->getExteriorRing (  ),
                                      0, poKmlFactory );
        poKmlPolygon->
            set_outerboundaryis ( AsOuterBoundaryIs ( poKmlTmpGeometry ) );

        nGeom = poOgrPolygon->getNumInteriorRings (  );
        for ( i = 0; i < nGeom; i++ ) {
            poKmlTmpGeometry = geom2kml ( poOgrPolygon->getInteriorRing ( i ),
                                          i + 1, poKmlFactory );
            poKmlPolygon->
                add_innerboundaryis ( AsInnerBoundaryIs ( poKmlTmpGeometry ) );
        }

        break;

    case wkbPolygon25D:

        CPLErrorReset();
        if( CPLTestBool(CPLGetConfigOption("LIBKML_STRICT_COMPLIANCE", "TRUE")) &&
            OGRGeometryFactory::haveGEOS() && (!poOgrGeom->IsValid() ||
             CPLGetLastErrorType() != CE_None) )
        {
            CPLError(CE_Failure, CPLE_NotSupported, "Invalid polygon");
            return NULL;
        }
        poOgrPolygon = ( OGRPolygon * ) poOgrGeom;

        poKmlGeometry = poKmlPolygon = poKmlFactory->CreatePolygon (  );

        poKmlTmpGeometry = geom2kml ( poOgrPolygon->getExteriorRing (  ),
                                      0, poKmlFactory );
        poKmlPolygon->
            set_outerboundaryis ( AsOuterBoundaryIs ( poKmlTmpGeometry ) );

        nGeom = poOgrPolygon->getNumInteriorRings (  );
        for ( i = 0; i < nGeom; i++ ) {
            poKmlTmpGeometry = geom2kml ( poOgrPolygon->getInteriorRing ( i ),
                                          i + 1, poKmlFactory );
            poKmlPolygon->
                add_innerboundaryis ( AsInnerBoundaryIs ( poKmlTmpGeometry ) );
        }

        break;

    case wkbMultiPoint:
    case wkbMultiLineString:
    case wkbMultiPolygon:
    case wkbGeometryCollection:
    case wkbMultiPoint25D:
    case wkbMultiLineString25D:
    case wkbMultiPolygon25D:
    case wkbGeometryCollection25D:

        poOgrMultiGeom = ( OGRGeometryCollection * ) poOgrGeom;

        nGeom = poOgrMultiGeom->getNumGeometries (  );

        if( nGeom == 1 &&
            CPLTestBool(CPLGetConfigOption("LIBKML_STRICT_COMPLIANCE", "TRUE")) )
        {
            CPLDebug("LIBKML", "Turning multiple geometry into single geometry");
            poKmlGeometry = geom2kml( poOgrMultiGeom->getGeometryRef ( 0 ),
                                      -1, poKmlFactory );
        }
        else
        {
            if( nGeom == 0 &&
                CPLTestBool(CPLGetConfigOption("LIBKML_STRICT_COMPLIANCE", "TRUE")) )
            {
                CPLError(CE_Warning, CPLE_AppDefined, "Empty multi geometry are not recommended");
            }
            poKmlGeometry = poKmlMultiGeometry =
                poKmlFactory->CreateMultiGeometry (  );
            for ( i = 0; i < nGeom; i++ ) {
                poKmlTmpGeometry = geom2kml ( poOgrMultiGeom->getGeometryRef ( i ),
                                            -1, poKmlFactory );
                poKmlMultiGeometry->
                    add_geometry ( AsGeometry ( poKmlTmpGeometry ) );
            }
        }

        break;

    case wkbUnknown:
    case wkbNone:
    default:
        break;

    }

    return poKmlGeometry;
}
Beispiel #3
0
/**
 * @brief KmlExport::exportToKML Triggers logfile export to KML.
 */
bool KmlExport::exportToKML()
{
    bool ret = open();
    if (!ret) {
        qDebug () << "Logfile failed to open during KML export";
        return false;
    }

    // Parses logfile and generates KML document
    ret = preparseLogFile();
    if (!ret) {
        qDebug () << "Logfile preparsing failed";
        return false;
    }

    // Call parser.
    parseLogFile();

    // Add track to <Document>
    document->add_feature(trackFolder);

    // Add timespans to <Document>
    document->add_feature(timestampFolder);

    // Add ground track to <Document>
    {
        LineStringPtr linestring = factory->CreateLineString();
        linestring->set_extrude(false); // Do not extrude to ground
        linestring->set_altitudemode(kmldom::ALTITUDEMODE_CLAMPTOGROUND);
        linestring->set_coordinates(wallAxes[0]);

        MultiGeometryPtr multiGeometry = factory->CreateMultiGeometry();
        multiGeometry->add_geometry(linestring);

        PlacemarkPtr placemark = factory->CreatePlacemark();
        placemark->set_geometry(multiGeometry);
        placemark->set_styleurl("#ts_2_tb");
        placemark->set_name("Ground track");

        document->add_feature(placemark);
    }

    // Add wall axes to <Document>
    FolderPtr folder = factory->CreateFolder();
    for (int i=0; i<numberOfWallAxes; i++) {
        LineStringPtr linestring = factory->CreateLineString();
        linestring->set_extrude(false); // Do not extrude to ground
        linestring->set_altitudemode(kmldom::ALTITUDEMODE_ABSOLUTE);
        linestring->set_coordinates(wallAxes[i]);

        MultiGeometryPtr multiGeometry = factory->CreateMultiGeometry();
        multiGeometry->add_geometry(linestring);

        PlacemarkPtr placemark = factory->CreatePlacemark();
        placemark->set_geometry(multiGeometry);
        placemark->set_styleurl("#ts_1_tb");

        folder->add_feature(placemark);
        folder->set_name("Wall axes");
    }
    document->add_feature(folder);

    // Create <kml> and give it <Document>.
    KmlPtr kml = factory->CreateKml();
    kml->set_feature(document);  // kml takes ownership.

    // Serialize to XML
    std::string kml_data = kmldom::SerializePretty(kml);

    // Save to file
    if (QFileInfo(outputFileName).suffix().toLower() == "kmz") {
        if (!kmlengine::KmzFile::WriteKmz(outputFileName.toStdString().c_str(), kml_data)) {
            qDebug() << "KMZ write failed: " << outputFileName;
            QMessageBox::critical(new QWidget(),"KMZ write failed", "Failed to write KMZ file.");
            return false;
        }
    } else if (QFileInfo(outputFileName).suffix().toLower() == "kml") {
        if (!kmlbase::File::WriteStringToFile(kml_data, outputFileName.toStdString())) {
            qDebug() << "KML write failed: " << outputFileName;
            QMessageBox::critical(new QWidget(),"KML write failed", "Failed to write KML file.");
            return false;
        }
    } else {
        qDebug() << "Write failed. Invalid file name:" << outputFileName;
        QMessageBox::critical(new QWidget(),"Write failed", "Failed to write file. Invalid filename");
        return false;
    }


    return true;
}