C++ PointPtr::set_extrude方法代码示例

/**
 * @brief KmlExport::createTimespanPlacemark Creates a timespan placemark, which allows the
 * trajectory to be played forward in time. The placemark also contains pertinent data about
 * the vehicle's state at that timespan
 * @param timestampPoint
 * @param lastPlacemarkTime
 * @param newPlacemarkTime
 * @return Returns the placemark containing the timespan
 */
PlacemarkPtr KmlExport::createTimespanPlacemark(const LLAVCoordinates &timestampPoint, quint32 lastPlacemarkTime, quint32 newPlacemarkTime)
{
    // Create coordinates
    CoordinatesPtr coordinates = factory->CreateCoordinates();
    coordinates->add_latlngalt(timestampPoint.latitude, timestampPoint.longitude, timestampPoint.altitude);

    // Create point, using previous coordinates
    PointPtr point = factory->CreatePoint();
    point->set_extrude(true); // Extrude to ground
    point->set_altitudemode(kmldom::ALTITUDEMODE_ABSOLUTE);
    point->set_coordinates(coordinates);

    // Create the timespan
    TimeSpanPtr timeSpan = factory->CreateTimeSpan();
    QDateTime startTime = QDateTime::currentDateTimeUtc().addMSecs(lastPlacemarkTime); // FIXME: Make it a function of the realtime 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());

    // Create an icon style. This arrow icon will be rotated and colored to represent velocity
    AttitudeActual::DataFields attitudeActualData = attitudeActual->getData();
    AirspeedActual::DataFields airspeedActualData = airspeedActual->getData();
    IconStylePtr iconStyle = factory->CreateIconStyle();
    iconStyle->set_color(mapVelocity2Color(airspeedActualData.CalibratedAirspeed));
    iconStyle->set_heading(attitudeActualData.Yaw + 180); //Adding 180 degrees because the arrow art points down, i.e. south.

    // Create a line style. This defines the style for the "legs" connecting the points to the ground.
    LineStylePtr lineStyle = factory->CreateLineStyle();
    lineStyle->set_color(mapVelocity2Color(timestampPoint.groundspeed));

    // Link the style to the icon
    StylePtr style = factory->CreateStyle();
    style->set_linestyle(lineStyle);
    style->set_iconstyle(iconStyle);

    // Generate the placemark with all above attributes
    PlacemarkPtr placemark = factory->CreatePlacemark();
    placemark->set_geometry(point);
    placemark->set_timeprimitive(timeSpan);
    placemark->set_name(QString("%1").arg(timeStamp / 1000.0).toStdString());
    placemark->set_visibility(true);

    // Set the placemark to use the custom rotated arrow style
    placemark->set_styleurl("#directiveArrowStyle");
    placemark->set_styleselector(style);

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

    return placemark;
}

void ogr2extrude_rec (
    int nExtrude,
    GeometryPtr poKmlGeometry )
{

    PointPtr poKmlPoint;
    LineStringPtr poKmlLineString;
    PolygonPtr poKmlPolygon;
    MultiGeometryPtr poKmlMultiGeometry;

    size_t nGeom;
    size_t i;

    switch ( poKmlGeometry->Type (  ) ) {
    case kmldom::Type_Point:
        poKmlPoint = AsPoint ( poKmlGeometry );
        poKmlPoint->set_extrude ( nExtrude );
        break;

    case kmldom::Type_LineString:
        poKmlLineString = AsLineString ( poKmlGeometry );
        poKmlLineString->set_extrude ( nExtrude );
        break;

    case kmldom::Type_LinearRing:
        break;

    case kmldom::Type_Polygon:
        poKmlPolygon = AsPolygon ( poKmlGeometry );
        poKmlPolygon->set_extrude ( nExtrude );
        break;

    case kmldom::Type_MultiGeometry:
        poKmlMultiGeometry = AsMultiGeometry ( poKmlGeometry );

        nGeom = poKmlMultiGeometry->get_geometry_array_size (  );
        for ( i = 0; i < nGeom; i++ ) {
            ogr2extrude_rec ( nExtrude,
                              poKmlMultiGeometry->
                              get_geometry_array_at ( i ) );
        }
        break;

    default:
        break;

    }
}