コード例 #1
0
void QgsMapToolPinLabels::highlightLabel( const QgsLabelPosition &labelpos,
    const QString &id,
    const QColor &color )
{
  QgsRectangle rect = labelpos.labelRect;
  QgsRubberBand *rb = new QgsRubberBand( mCanvas, QgsWkbTypes::PolygonGeometry );
  rb->addPoint( QgsPointXY( rect.xMinimum(), rect.yMinimum() ) );
  rb->addPoint( QgsPointXY( rect.xMinimum(), rect.yMaximum() ) );
  rb->addPoint( QgsPointXY( rect.xMaximum(), rect.yMaximum() ) );
  rb->addPoint( QgsPointXY( rect.xMaximum(), rect.yMinimum() ) );
  rb->addPoint( QgsPointXY( rect.xMinimum(), rect.yMinimum() ) );
  rb->setColor( color );
  rb->setWidth( 0 );
  rb->show();

  mHighlights.insert( id, rb );
}
コード例 #2
0
QgsRubberBand* QgsMapToolNodeTool::createRubberBandMarker( QgsPoint center, QgsVectorLayer* vlayer )
{
  //create rubber band marker for moving points
  QgsRubberBand* marker = new QgsRubberBand( mCanvas, true );
  marker->setColor( Qt::red );
  marker->setWidth( 2 );
  double movement = 4;
  double s = QgsTolerance::toleranceInMapUnits( movement, vlayer, mCanvas->mapRenderer(), QgsTolerance::Pixels );
  QgsPoint pom = toMapCoordinates( vlayer, center );
  pom.setX( pom.x() - s );
  pom.setY( pom.y() - s );
  marker->addPoint( pom );
  pom.setX( pom.x() + 2*s );
  marker->addPoint( pom );
  pom.setY( pom.y() + 2*s );
  marker->addPoint( pom );
  pom.setX( pom.x() - 2*s );
  marker->addPoint( pom );
  pom.setY( pom.y() - 2*s );
  marker->addPoint( pom );
  return marker;
}
コード例 #3
0
void QgsGeometryCheckerResultTab::highlightErrors( bool current )
{
  qDeleteAll( mCurrentRubberBands );
  mCurrentRubberBands.clear();

  QList<QTableWidgetItem*> items;
  QList<QgsPoint> errorPositions;
  QgsRectangle totextent;

  if ( current )
  {
    items.append( ui.tableWidgetErrors->currentItem() );
  }
  else
  {
    items.append( ui.tableWidgetErrors->selectedItems() );
  }
  foreach ( QTableWidgetItem* item, items )
  {
    QgsGeometryCheckError* error = ui.tableWidgetErrors->item( item->row(), 0 )->data( Qt::UserRole ).value<QgsGeometryCheckError*>();

    QgsAbstractGeometryV2* geometry = error->geometry();
    if ( ui.checkBoxHighlight->isChecked() && geometry )
    {
      QgsRubberBand* featureRubberBand = new QgsRubberBand( mIface->mapCanvas() );
      QgsGeometry geom( geometry );
      featureRubberBand->addGeometry( &geom, mFeaturePool->getLayer() );
      featureRubberBand->setWidth( 5 );
      featureRubberBand->setColor( Qt::yellow );
      mCurrentRubberBands.append( featureRubberBand );
    }
    else
    {
      // QgsGeometry above takes ownership of geometry and deletes it when it goes out of scope
      delete geometry;
      geometry = 0;
    }

    if ( ui.radioButtonError->isChecked() || current || error->status() == QgsGeometryCheckError::StatusFixed )
    {
      QgsRubberBand* pointRubberBand = new QgsRubberBand( mIface->mapCanvas(), QGis::Point );
      QgsPoint pos = mIface->mapCanvas()->mapSettings().layerToMapCoordinates( mFeaturePool->getLayer(), QgsPoint( error->location().x(), error->location().y() ) );
      pointRubberBand->addPoint( pos );
      pointRubberBand->setWidth( 20 );
      pointRubberBand->setColor( Qt::red );
      mCurrentRubberBands.append( pointRubberBand );
      errorPositions.append( pos );
    }
    else if ( ui.radioButtonFeature->isChecked() && geometry )
    {
      QgsRectangle geomextent = mIface->mapCanvas()->mapSettings().layerExtentToOutputExtent( mFeaturePool->getLayer(), geometry->boundingBox() );
      if ( totextent.isEmpty() )
      {
        totextent = geomextent;
      }
      else
      {
        totextent.unionRect( geomextent );
      }
    }
  }
コード例 #4
0
void QgsMapToolNodeTool::createMovingRubberBands()
{
  int topologicalEditing = QgsProject::instance()->readNumEntry( "Digitizing", "/TopologicalEditing", 0 );

  Q_ASSERT( mSelectedFeature );

  QgsVectorLayer *vlayer = mSelectedFeature->vlayer();
  Q_ASSERT( vlayer );

  QList<QgsVertexEntry*> &vertexMap = mSelectedFeature->vertexMap();
  QgsGeometry* geometry = mSelectedFeature->geometry();
  int beforeVertex, afterVertex;
  int lastRubberBand = 0;
  int vertex;
  for ( int i = 0; i < vertexMap.size(); i++ )
  {
    // create rubberband
    if ( vertexMap[i]->isSelected() && !vertexMap[i]->isInRubberBand() )
    {
      geometry->adjacentVertices( i, beforeVertex, afterVertex );
      vertex = i;
      while ( beforeVertex !=  -1 )
      {
        // move forward NOTE: end if whole cycle is selected
        if ( vertexMap[beforeVertex]->isSelected() && beforeVertex != i ) // and take care of cycles
        {
          vertex = beforeVertex;
          geometry->adjacentVertices( vertex, beforeVertex, afterVertex );
        }
        else
        {
          // break if cycle is found
          break;
        }
      }
      // we have first vertex of moving part
      // create rubberband and set default paramaters
      QgsRubberBand* rb = new QgsRubberBand( mCanvas, QGis::Line );
      rb->setWidth( 2 );
      rb->setColor( Qt::blue );
      int index = 0;
      if ( beforeVertex != -1 ) // adding first point which is not moving
      {
        rb->addPoint( toMapCoordinates( vlayer, vertexMap[beforeVertex]->point() ), false );
        vertexMap[beforeVertex]->setRubberBandValues( true, lastRubberBand, index );
        index++;
      }
      while ( vertex != -1 && vertexMap[vertex]->isSelected() && !vertexMap[vertex]->isInRubberBand() )
      {
        // topology rubberband creation if needed
        if ( topologicalEditing )
        {
          createTopologyRubberBands( vlayer, vertexMap, vertex );
        }
        // adding point which will be moved
        rb->addPoint( toMapCoordinates( vlayer, vertexMap[vertex]->point() ), false );
        // setting values about added vertex
        vertexMap[vertex]->setRubberBandValues( true, lastRubberBand, index );
        index++;
        geometry->adjacentVertices( vertex, beforeVertex, vertex );
      }
      if ( vertex != -1 && !vertexMap[vertex]->isSelected() ) // add last point not moving if exists
      {
        rb->addPoint( toMapCoordinates( vlayer, vertexMap[vertex]->point() ), true );
        vertexMap[vertex]->setRubberBandValues( true, lastRubberBand, index );
        index++;
      }
      mRubberBands.append( rb );
      lastRubberBand++;
    }
  }
}
コード例 #5
0
void QgsMapToolNodeTool::createTopologyRubberBands( QgsVectorLayer* vlayer, const QList<QgsVertexEntry*> &vertexMap, int vertex )
{
  QMultiMap<double, QgsSnappingResult> currentResultList;
  QgsGeometry *geometry = mSelectedFeature->geometry();

  // snap from current vertex
  currentResultList.clear();
  vlayer->snapWithContext( vertexMap[vertex]->point(), ZERO_TOLERANCE, currentResultList, QgsSnapper::SnapToVertex );
  QMultiMap<double, QgsSnappingResult>::iterator resultIt =  currentResultList.begin();

  for ( ; resultIt != currentResultList.end(); ++resultIt )
  {
    // move all other
    if ( mSelectedFeature->featureId() != resultIt.value().snappedAtGeometry )
    {
      if ( mTopologyMovingVertexes.contains( resultIt.value().snappedAtGeometry ) )
      {
        if ( mTopologyMovingVertexes[resultIt.value().snappedAtGeometry]->contains( resultIt.value().snappedVertexNr ) )
        {
          // skip vertex already exists in some rubberband
          continue;
        }
      }
      QgsRubberBand* trb = new QgsRubberBand( mCanvas, QGis::Line );
      mTopologyRubberBand.append( trb );
      int rbId = mTopologyRubberBand.size() - 1;
      trb->setWidth( 1 );
      trb->setColor( Qt::red );

      int tVertex = resultIt.value().snappedVertexNr;
      int tVertexBackup = -1, tVertexAfter = -1;
      int tVertexFirst = tVertex; // vertex number to check for cycling
      QgsFeature topolFeature;

      vlayer->getFeatures( QgsFeatureRequest().setFilterFid( resultIt.value().snappedAtGeometry ).setSubsetOfAttributes( QgsAttributeList() ) ).nextFeature( topolFeature );
      QgsGeometry* topolGeometry = topolFeature.geometry();

      while ( tVertex != -1 ) // looking for first vertex to rubberband
      {
        tVertexBackup = tVertex;
        topolGeometry->adjacentVertices( tVertex, tVertex, tVertexAfter );
        if ( tVertex == -1 || tVertex == tVertexFirst )
          break; // check if this is not first vertex of the feature or cycling error
        // if closest vertex is not from selected feature or is not selected end
        double dist;
        QgsPoint point = topolGeometry->vertexAt( tVertex );
        int at, before, after;
        geometry->closestVertex( point, at, before, after, dist );
        if ( dist > ZERO_TOLERANCE || !vertexMap[at]->isSelected() ) // problem with double precision
        {
          break; // found first vertex
        }
      }

      int movingPointIndex = 0;
      Vertexes* movingPoints = new Vertexes();
      Vertexes* addedPoints = new Vertexes();
      if ( mTopologyMovingVertexes.contains( resultIt.value().snappedAtGeometry ) )
      {
        addedPoints = mTopologyMovingVertexes[ resultIt.value().snappedAtGeometry ];
      }
      if ( tVertex == -1 ) // adding first point if needed
      {
        tVertex = tVertexBackup;
      }
      else
      {
        trb->addPoint( toMapCoordinates( vlayer, topolGeometry->vertexAt( tVertex ) ) );
        if ( tVertex == tVertexFirst ) // cycle first vertex need to be added also
        {
          movingPoints->insert( movingPointIndex );
        }
        movingPointIndex = 1;
        topolGeometry->adjacentVertices( tVertex, tVertexAfter, tVertex );
      }

      while ( tVertex != -1 )
      {
        // if closest vertex is not from selected feature or is not selected end
        double dist;
        QgsPoint point = topolGeometry->vertexAt( tVertex );
        int at, before, after;
        geometry->closestVertex( point, at, before, after, dist );
        // find first no matching vertex
        if ( dist > ZERO_TOLERANCE || !vertexMap[at]->isSelected() ) // problem with double precision
        {
          trb->addPoint( toMapCoordinates( vlayer, topolGeometry->vertexAt( tVertex ) ) );
          break; // found first vertex
        }
        else // add moving point to rubberband
        {
          if ( addedPoints->contains( tVertex ) )
            break; // just preventing to circle
          trb->addPoint( toMapCoordinates( vlayer, topolGeometry->vertexAt( tVertex ) ) );
          movingPoints->insert( movingPointIndex );
          movingPointIndex++;
          addedPoints->insert( tVertex );
        }
        topolGeometry->adjacentVertices( tVertex, tVertexAfter, tVertex );
      }
      mTopologyMovingVertexes.insert( resultIt.value().snappedAtGeometry, addedPoints );
      mTopologyRubberBandVertexes.insert( rbId, movingPoints );
    }
  }
}
コード例 #6
0
void QgsGeometryCheckerResultTab::highlightErrors( bool current )
{
  qDeleteAll( mCurrentRubberBands );
  mCurrentRubberBands.clear();

  QList<QTableWidgetItem *> items;
  QVector<QgsPointXY> errorPositions;
  QgsRectangle totextent;

  if ( current )
  {
    items.append( ui.tableWidgetErrors->currentItem() );
  }
  else
  {
    items.append( ui.tableWidgetErrors->selectedItems() );
  }
  for ( QTableWidgetItem *item : qgis::as_const( items ) )
  {
    QgsGeometryCheckError *error = ui.tableWidgetErrors->item( item->row(), 0 )->data( Qt::UserRole ).value<QgsGeometryCheckError *>();

    const QgsGeometry geom = error->geometry();
    if ( ui.checkBoxHighlight->isChecked() && !geom.isNull() )
    {
      QgsRubberBand *featureRubberBand = new QgsRubberBand( mIface->mapCanvas() );
      featureRubberBand->addGeometry( geom, nullptr );
      featureRubberBand->setWidth( 5 );
      featureRubberBand->setColor( Qt::yellow );
      mCurrentRubberBands.append( featureRubberBand );
    }

    if ( ui.radioButtonError->isChecked() || current || error->status() == QgsGeometryCheckError::StatusFixed )
    {
      QgsRubberBand *pointRubberBand = new QgsRubberBand( mIface->mapCanvas(), QgsWkbTypes::PointGeometry );
      pointRubberBand->addPoint( error->location() );
      pointRubberBand->setWidth( 20 );
      pointRubberBand->setColor( Qt::red );
      mCurrentRubberBands.append( pointRubberBand );
      errorPositions.append( error->location() );
    }
    else if ( ui.radioButtonFeature->isChecked() )
    {
      QgsRectangle geomextent = error->affectedAreaBBox();
      if ( totextent.isEmpty() )
      {
        totextent = geomextent;
      }
      else
      {
        totextent.combineExtentWith( geomextent );
      }
    }
  }

  // If error positions positions are marked, pan to the center of all positions,
  // and zoom out if necessary to make all points fit.
  if ( !errorPositions.isEmpty() )
  {
    double cx = 0., cy = 0.;
    QgsRectangle pointExtent( errorPositions.first(), errorPositions.first() );
    Q_FOREACH ( const QgsPointXY &p, errorPositions )
    {
      cx += p.x();
      cy += p.y();
      pointExtent.include( p );
    }