void ImageSegmentor::removeSmallMarkers(int th) {
double min, max;
cv::minMaxLoc(markersPic,&min,&max);
std::vector<int> markerSize(max + 2, 0); // there are pixels with value -1
int nl = markersPic.rows;
int nc = markersPic.cols; //only valid for single channel pic!
for (int j=0; j<nl; j++) {
int* data = markersPic.ptr<int>(j);
for (int i=0; i<nc; i++) {
markerSize[data[i]+1]++;
}
}
for (int j=0; j<nl; j++) {
int* data = markersPic.ptr<int>(j);
for (int i=0; i<nc; i++) {
int label = data[i];
if (label <= 1) { data[i] = 0; continue; } //set border and bg pixels to zero
if (label > 1 && markerSize[label+1] < th) {
data[i] = 0;
}
}
}
}
int QwtKnob::qt_metacall(QMetaObject::Call _c, int _id, void **_a)
{
_id = QwtAbstractSlider::qt_metacall(_c, _id, _a);
if (_id < 0)
return _id;
#ifndef QT_NO_PROPERTIES
if (_c == QMetaObject::ReadProperty) {
void *_v = _a[0];
switch (_id) {
case 0: *reinterpret_cast< KnobStyle*>(_v) = knobStyle(); break;
case 1: *reinterpret_cast< int*>(_v) = knobWidth(); break;
case 2: *reinterpret_cast< Qt::Alignment*>(_v) = alignment(); break;
case 3: *reinterpret_cast< double*>(_v) = totalAngle(); break;
case 4: *reinterpret_cast< int*>(_v) = numTurns(); break;
case 5: *reinterpret_cast< MarkerStyle*>(_v) = markerStyle(); break;
case 6: *reinterpret_cast< int*>(_v) = markerSize(); break;
case 7: *reinterpret_cast< int*>(_v) = borderWidth(); break;
}
_id -= 8;
} else if (_c == QMetaObject::WriteProperty) {
void *_v = _a[0];
switch (_id) {
case 0: setKnobStyle(*reinterpret_cast< KnobStyle*>(_v)); break;
case 1: setKnobWidth(*reinterpret_cast< int*>(_v)); break;
case 2: setAlignment(*reinterpret_cast< Qt::Alignment*>(_v)); break;
case 3: setTotalAngle(*reinterpret_cast< double*>(_v)); break;
case 4: setNumTurns(*reinterpret_cast< int*>(_v)); break;
case 5: setMarkerStyle(*reinterpret_cast< MarkerStyle*>(_v)); break;
case 6: setMarkerSize(*reinterpret_cast< int*>(_v)); break;
case 7: setBorderWidth(*reinterpret_cast< int*>(_v)); break;
}
_id -= 8;
} else if (_c == QMetaObject::ResetProperty) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyDesignable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyScriptable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyStored) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyEditable) {
_id -= 8;
} else if (_c == QMetaObject::QueryPropertyUser) {
_id -= 8;
}
#endif // QT_NO_PROPERTIES
return _id;
}
void QgsGPSInformationWidget::displayGPSInformation( const QgsGPSInformation &info )
{
QVector<QPointF> data;
// set validity flag and status from GPS data
// based on GGA, GSA and RMC sentences - the logic does not require all
bool validFlag = false; // true if GPS indicates position fix
FixStatus fixStatus = NoData;
// no fix if any of the three report bad; default values are invalid values and won't be changed if the corresponding NMEA msg is not received
if ( info.status == 'V' || info.fixType == NMEA_FIX_BAD || info.quality == 0 ) // some sources say that 'V' indicates position fix, but is below acceptable quality
{
fixStatus = NoFix;
}
else if ( info.fixType == NMEA_FIX_2D ) // 2D indication (from GGA)
{
fixStatus = Fix2D;
validFlag = true;
}
else if ( info.status == 'A' || info.fixType == NMEA_FIX_3D || info.quality > 0 ) // good
{
fixStatus = Fix3D;
validFlag = true;
}
else // unknown status (not likely)
{
}
// set visual status indicator -- do only on change of state
if ( fixStatus != mLastFixStatus )
{
setStatusIndicator( fixStatus );
}
if ( mStackedWidget->currentIndex() == 1 && info.satInfoComplete ) //signal
{
mpPlot->setAxisScale( QwtPlot::xBottom, 0, info.satellitesInView.size() );
} //signal
#ifdef WITH_QWTPOLAR
if ( mStackedWidget->currentIndex() == 2 && info.satInfoComplete ) //satellites
{
while ( !mMarkerList.isEmpty() )
{
delete mMarkerList.takeFirst();
}
} //satellites
#endif
if ( mStackedWidget->currentIndex() == 4 ) //debug
{
mGPSPlainTextEdit->clear();
} //debug
for ( int i = 0; i < info.satellitesInView.size(); ++i ) //satellite processing loop
{
QgsSatelliteInfo currentInfo = info.satellitesInView.at( i );
if ( mStackedWidget->currentIndex() == 1 && info.satInfoComplete ) //signal
{
data << QPointF( i, 0 );
data << QPointF( i, currentInfo.signal );
data << QPointF( i + 1, currentInfo.signal );
data << QPointF( i + 1, 0 );
} //signal
if ( mStackedWidget->currentIndex() == 2 && info.satInfoComplete ) //satellites
{
QColor bg( Qt::white ); // moved several items outside of the following if block to minimize loop time
bg.setAlpha( 200 );
QColor myColor;
// Add a marker to the polar plot
if ( currentInfo.id > 0 ) // don't show satellite if id=0 (no satellite indication)
{
#ifdef WITH_QWTPOLAR
QwtPolarMarker *mypMarker = new QwtPolarMarker();
#if (QWT_POLAR_VERSION<0x010000)
mypMarker->setPosition( QwtPolarPoint( currentInfo.azimuth, currentInfo.elevation ) );
#else
mypMarker->setPosition( QwtPointPolar( currentInfo.azimuth, currentInfo.elevation ) );
#endif
#endif
if ( currentInfo.signal < 30 ) //weak signal
{
myColor = Qt::red;
}
else
{
myColor = Qt::black; //strong signal
}
#ifdef WITH_QWTPOLAR
QBrush symbolBrush( Qt::black );
QSize markerSize( 9, 9 );
QBrush textBgBrush( bg );
#if (QWT_POLAR_VERSION<0x010000)
mypMarker->setSymbol( QwtSymbol( QwtSymbol::Ellipse,
symbolBrush, QPen( myColor ), markerSize ) );
#else
mypMarker->setSymbol( new QwtSymbol( QwtSymbol::Ellipse,
symbolBrush, QPen( myColor ), markerSize ) );
#endif
mypMarker->setLabelAlignment( Qt::AlignHCenter | Qt::AlignTop );
QwtText text( QString::number( currentInfo.id ) );
text.setColor( myColor );
text.setBackgroundBrush( textBgBrush );
mypMarker->setLabel( text );
mypMarker->attach( mpSatellitesWidget );
mMarkerList << mypMarker;
#endif
} // currentInfo.id > 0
} //satellites
} //satellite processing loop
if ( mStackedWidget->currentIndex() == 1 && info.satInfoComplete ) //signal
{
mpCurve->setSamples( data );
mpPlot->replot();
} //signal
#ifdef WITH_QWTPOLAR
if ( mStackedWidget->currentIndex() == 2 && info.satInfoComplete ) //satellites
{
mpSatellitesWidget->replot();
} //satellites
#endif
if ( validFlag )
{
validFlag = info.longitude >= -180.0 && info.longitude <= 180.0 && info.latitude >= -90.0 && info.latitude <= 90.0;
}
QgsPointXY myNewCenter;
if ( validFlag )
{
myNewCenter = QgsPointXY( info.longitude, info.latitude );
}
else
{
myNewCenter = mLastGpsPosition;
}
if ( mStackedWidget->currentIndex() == 0 ) //position
{
mTxtLatitude->setText( QString::number( info.latitude, 'f', 8 ) );
mTxtLongitude->setText( QString::number( info.longitude, 'f', 8 ) );
mTxtAltitude->setText( tr( "%1 m" ).arg( info.elevation, 0, 'f', 1 ) ); // don't know of any GPS receivers that output better than 0.1 m precision
if ( mDateTimeFormat.isEmpty() )
{
mTxtDateTime->setText( info.utcDateTime.toString( Qt::TextDate ) ); // default format
}
else
{
mTxtDateTime->setText( info.utcDateTime.toString( mDateTimeFormat ) ); //user specified format string for testing the millisecond part of time
}
mTxtSpeed->setText( tr( "%1 km/h" ).arg( info.speed, 0, 'f', 1 ) );
mTxtDirection->setText( QString::number( info.direction, 'f', 1 ) + QStringLiteral( "°" ) );
mTxtHdop->setText( QString::number( info.hdop, 'f', 1 ) );
mTxtVdop->setText( QString::number( info.vdop, 'f', 1 ) );
mTxtPdop->setText( QString::number( info.pdop, 'f', 1 ) );
mTxtHacc->setText( QString::number( info.hacc, 'f', 1 ) + "m" );
mTxtVacc->setText( QString::number( info.vacc, 'f', 1 ) + "m" );
mTxtFixMode->setText( info.fixMode == 'A' ? tr( "Automatic" ) : info.fixMode == 'M' ? tr( "Manual" ) : QLatin1String( "" ) ); // A=automatic 2d/3d, M=manual; allowing for anything else
mTxtFixType->setText( info.fixType == 3 ? tr( "3D" ) : info.fixType == 2 ? tr( "2D" ) : info.fixType == 1 ? tr( "No fix" ) : QString::number( info.fixType ) ); // 1=no fix, 2=2D, 3=3D; allowing for anything else
mTxtQuality->setText( info.quality == 2 ? tr( "Differential" ) : info.quality == 1 ? tr( "Non-differential" ) : info.quality == 0 ? tr( "No position" ) : info.quality > 2 ? QString::number( info.quality ) : QLatin1String( "" ) ); // allowing for anything else
mTxtSatellitesUsed->setText( QString::number( info.satellitesUsed ) );
mTxtStatus->setText( info.status == 'A' ? tr( "Valid" ) : info.status == 'V' ? tr( "Invalid" ) : QLatin1String( "" ) );
} //position
// Avoid refreshing / panning if we haven't moved
if ( mLastGpsPosition != myNewCenter )
{
mLastGpsPosition = myNewCenter;
// Pan based on user specified behavior
if ( radRecenterMap->isChecked() || radRecenterWhenNeeded->isChecked() )
{
QgsCoordinateReferenceSystem mypSRS = mpCanvas->mapSettings().destinationCrs();
QgsCoordinateTransform myTransform( mWgs84CRS, mypSRS ); // use existing WGS84 CRS
QgsPointXY myPoint = myTransform.transform( myNewCenter );
//keep the extent the same just center the map canvas in the display so our feature is in the middle
QgsRectangle myRect( myPoint, myPoint ); // empty rect can be used to set new extent that is centered on the point used to construct the rect
// testing if position is outside some proportion of the map extent
// this is a user setting - useful range: 5% to 100% (0.05 to 1.0)
QgsRectangle myExtentLimit( mpCanvas->extent() );
myExtentLimit.scale( mSpinMapExtentMultiplier->value() * 0.01 );
// only change the extents if the point is beyond the current extents to minimize repaints
if ( radRecenterMap->isChecked() ||
( radRecenterWhenNeeded->isChecked() && !myExtentLimit.contains( myPoint ) ) )
{
mpCanvas->setExtent( myRect );
mpCanvas->refresh();
}
} //otherwise never recenter automatically
if ( mCbxAutoAddVertices->isChecked() )
{
addVertex();
}
} // mLastGpsPosition != myNewCenter
// new marker position after recentering
if ( mGroupShowMarker->isChecked() ) // show marker
{
if ( validFlag ) // update cursor position if valid position
{
// initially, cursor isn't drawn until first valid fix; remains visible until GPS disconnect
if ( ! mpMapMarker )
{
mpMapMarker = new QgsGpsMarker( mpCanvas );
}
mpMapMarker->setSize( mSliderMarkerSize->value() );
mpMapMarker->setCenter( myNewCenter );
}
}
else
{
if ( mpMapMarker )
{
delete mpMapMarker;
mpMapMarker = nullptr;
}
} // show marker
}
