QVariant QgsFilter::propertyIndexValue( const QgsFeature& f ) const
{
QgsAttributeMap featureAttributes = f.attributeMap();
QgsAttributeMap::const_iterator f_it = featureAttributes.find( mPropertyIndex );
if ( f_it == featureAttributes.constEnd() )
{
return QVariant();
}
return f_it.value();
}
int QgsDiagramRenderer::classificationValue( const QgsFeature& f, QVariant& value ) const
{
//find out attribute value of the feature
QgsAttributeMap featureAttributes = f.attributeMap();
QgsAttributeMap::const_iterator iter;
if ( value.type() == QVariant::String ) //string type
{
//we can only handle one classification field for strings
if ( mClassificationAttributes.size() > 1 )
{
return 1;
}
iter = featureAttributes.find( mClassificationAttributes.first() );
if ( iter == featureAttributes.constEnd() )
{
return 2;
}
value = iter.value();
}
else //numeric type
{
double currentValue;
double totalValue = 0;
QList<int>::const_iterator list_it = mClassificationAttributes.constBegin();
for ( ; list_it != mClassificationAttributes.constEnd(); ++list_it )
{
QgsAttributeMap::const_iterator iter = featureAttributes.find( *list_it );
if ( iter == featureAttributes.constEnd() )
{
continue;
}
currentValue = iter.value().toDouble();
totalValue += currentValue;
}
value = QVariant( totalValue );
}
return 0;
}
void QgsOverlayAnalyzer::combineAttributeMaps( QgsAttributeMap& attributeMapA, QgsAttributeMap attributeMapB )
{
QMap<int, QVariant>::const_iterator i = attributeMapB.constBegin();
QVariant attribute;
int fcount = attributeMapA.size();
while ( i != attributeMapB.constEnd() )
{
attribute = i.value();
attributeMapA.insert( fcount, attribute );
++i;
++fcount;
}
}
QString QgsPointDisplacementRenderer::getLabel( const QgsFeature& f )
{
QString attribute;
QgsAttributeMap attMap = f.attributeMap();
if ( attMap.size() > 0 )
{
QgsAttributeMap::const_iterator valIt = attMap.find( mLabelIndex );
if ( valIt != attMap.constEnd() )
{
attribute = valIt->toString();
}
}
return attribute;
}
QSizeF QgsLinearlyInterpolatedDiagramRenderer::diagramSize( const QgsAttributeMap& attributes, const QgsRenderContext& c )
{
Q_UNUSED( c );
QgsAttributeMap::const_iterator attIt = attributes.find( mClassificationAttribute );
if ( attIt == attributes.constEnd() )
{
return QSizeF(); //zero size if attribute is missing
}
double value = attIt.value().toDouble();
//interpolate size
double ratio = ( value - mLowerValue ) / ( mUpperValue - mLowerValue );
return QSizeF( mUpperSize.width() * ratio + mLowerSize.width() * ( 1 - ratio ),
mUpperSize.height() * ratio + mLowerSize.height() * ( 1 - ratio ) );
}
bool QgsVectorLayerEditBuffer::changeAttributeValues( QgsFeatureId fid, const QgsAttributeMap &newValues, const QgsAttributeMap &oldValues )
{
bool success = true;
for ( auto it = newValues.constBegin() ; it != newValues.constEnd(); ++it )
{
const int field = it.key();
const QVariant newValue = it.value();
QVariant oldValue;
if ( oldValues.contains( field ) )
oldValue = oldValues[field];
success &= changeAttributeValue( fid, field, newValue, oldValue );
}
return success;
}
QSizeF QgsPieDiagram::diagramSize( const QgsAttributeMap& attributes, const QgsRenderContext& c, const QgsDiagramSettings& s, const QgsDiagramInterpolationSettings& is )
{
Q_UNUSED( c );
QgsAttributeMap::const_iterator attIt = attributes.find( is.classificationAttribute );
if ( attIt == attributes.constEnd() )
{
return QSizeF(); //zero size if attribute is missing
}
double scaledValue = attIt.value().toDouble();
double scaledLowerValue = is.lowerValue;
double scaledUpperValue = is.upperValue;
double scaledLowerSizeWidth = is.lowerSize.width();
double scaledLowerSizeHeight = is.lowerSize.height();
double scaledUpperSizeWidth = is.upperSize.width();
double scaledUpperSizeHeight = is.upperSize.height();
// interpolate the squared value if scale by area
if ( s.scaleByArea )
{
scaledValue = sqrt( scaledValue );
scaledLowerValue = sqrt( scaledLowerValue );
scaledUpperValue = sqrt( scaledUpperValue );
scaledLowerSizeWidth = sqrt( scaledLowerSizeWidth );
scaledLowerSizeHeight = sqrt( scaledLowerSizeHeight );
scaledUpperSizeWidth = sqrt( scaledUpperSizeWidth );
scaledUpperSizeHeight = sqrt( scaledUpperSizeHeight );
}
//interpolate size
double scaledRatio = ( scaledValue - scaledLowerValue ) / ( scaledUpperValue - scaledLowerValue );
QSizeF size = QSizeF( is.upperSize.width() * scaledRatio + is.lowerSize.width() * ( 1 - scaledRatio ),
is.upperSize.height() * scaledRatio + is.lowerSize.height() * ( 1 - scaledRatio ) );
// Scale, if extension is smaller than the specified minimum
if ( size.width() <= s.minimumSize && size.height() <= s.minimumSize )
{
size.scale( s.minimumSize, s.minimumSize, Qt::KeepAspectRatio );
}
return size;
}
void QgsMapToolChangeLabelProperties::applyChanges( const QgsAttributeMap& changes )
{
QgsVectorLayer* vlayer = mCurrentLabel.layer;
if ( !vlayer )
return;
if ( !changes.isEmpty() )
{
vlayer->beginEditCommand( tr( "Changed properties for label" ) + QStringLiteral( " '%1'" ).arg( currentLabelText( 24 ) ) );
QgsAttributeMap::const_iterator changeIt = changes.constBegin();
for ( ; changeIt != changes.constEnd(); ++changeIt )
{
vlayer->changeAttributeValue( mCurrentLabel.pos.featureId, changeIt.key(), changeIt.value() );
}
vlayer->endEditCommand();
vlayer->triggerRepaint();
}
}
QImage* QgsPieDiagramFactory::createDiagram( int size, const QgsFeature& f, const QgsRenderContext& renderContext ) const
{
QgsAttributeMap dataValues = f.attributeMap();
double sizeScaleFactor = diagramSizeScaleFactor( renderContext );
//create transparent QImage
int imageSideLength = size * sizeScaleFactor * renderContext.rasterScaleFactor() + 2 * mMaximumPenWidth + 2 * mMaximumGap;
QImage* diagramImage = new QImage( QSize( imageSideLength, imageSideLength ), QImage::Format_ARGB32_Premultiplied );
diagramImage->fill( qRgba( 0, 0, 0, 0 ) ); //transparent background
QPainter p;
p.begin( diagramImage );
p.setRenderHint( QPainter::Antialiasing );
p.setPen( Qt::NoPen );
//calculate sum of data values
double sum = 0;
QList<double> valueList; //cash the values to use them in drawing later
QgsAttributeMap::const_iterator value_it;
QList<QgsDiagramCategory>::const_iterator it = mCategories.constBegin();
for ( ; it != mCategories.constEnd(); ++it )
{
value_it = dataValues.find( it->propertyIndex() );
valueList.push_back( value_it->toDouble() );
if ( value_it != dataValues.constEnd() )
{
sum += value_it->toDouble();
}
}
if ( doubleNear( sum, 0.0 ) )
{
p.end();
delete diagramImage;
return 0;
}
//draw pies
int totalAngle = 0;
int currentAngle, currentGap;
int xGapOffset = 0;
int yGapOffset = 0;
QList<QgsDiagramCategory>::const_iterator category_it = mCategories.constBegin();
QList<double>::const_iterator valueList_it = valueList.constBegin();
for ( ; category_it != mCategories.constEnd() && valueList_it != valueList.constEnd(); ++category_it, ++valueList_it )
{
p.setPen( category_it->pen() );
currentAngle = ( int )(( *valueList_it ) / sum * 360 * 16 );
p.setBrush( category_it->brush() );
xGapOffset = 0;
yGapOffset = 0;
currentGap = category_it->gap();
if ( currentGap != 0 )
{
//qt angles are degrees*16
gapOffsetsForPieSlice( currentGap, totalAngle + currentAngle / 2, xGapOffset, yGapOffset );
}
p.drawPie( mMaximumPenWidth * renderContext.rasterScaleFactor() + mMaximumGap + xGapOffset, mMaximumPenWidth * renderContext.rasterScaleFactor() + mMaximumGap - yGapOffset, sizeScaleFactor * renderContext.rasterScaleFactor() * size, sizeScaleFactor * renderContext.rasterScaleFactor() * size, totalAngle, currentAngle );
totalAngle += currentAngle;
}
p.end();
return diagramImage;
}
void QgsWFSData::endElement( const XML_Char* el )
{
QString elementName( el );
QString localName = elementName.section( NS_SEPARATOR, 1, 1 );
if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "coordinates" )
{
if ( !mParseModeStack.empty() )
{
mParseModeStack.pop();
}
}
else if ( localName == mAttributeName ) //add a thematic attribute to the feature
{
if ( !mParseModeStack.empty() )
{
mParseModeStack.pop();
}
//find index with attribute name
QMap<QString, QPair<int, QgsField> >::const_iterator att_it = mThematicAttributes.find( mAttributeName );
if ( att_it != mThematicAttributes.constEnd() )
{
QVariant var;
switch ( att_it.value().second.type() )
{
case QVariant::Double:
var = QVariant( mStringCash.toDouble() );
break;
case QVariant::Int:
var = QVariant( mStringCash.toInt() );
break;
case QVariant::LongLong:
var = QVariant( mStringCash.toLongLong() );
break;
default: //string type is default
var = QVariant( mStringCash );
break;
}
mCurrentFeature->addAttribute( att_it.value().first, QVariant( mStringCash ) );
}
}
else if ( localName == mGeometryAttribute )
{
if ( !mParseModeStack.empty() )
{
mParseModeStack.pop();
}
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "boundedBy" && mParseModeStack.top() == QgsWFSData::boundingBox )
{
//create bounding box from mStringCash
if ( createBBoxFromCoordinateString( mExtent, mStringCash ) != 0 )
{
QgsDebugMsg( "creation of bounding box failed" );
}
if ( !mParseModeStack.empty() )
{
mParseModeStack.pop();
}
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "featureMember" )
{
//MH090531: Check if all feature attributes are initialised, sometimes attribute values are missing.
//We fill the not initialized ones with empty strings, otherwise the feature cannot be exported to shp later
QgsAttributeMap currentFeatureAttributes = mCurrentFeature->attributeMap();
QMap<QString, QPair<int, QgsField> >::const_iterator att_it = mThematicAttributes.constBegin();
for ( ; att_it != mThematicAttributes.constEnd(); ++att_it )
{
int attIndex = att_it.value().first;
QgsAttributeMap::const_iterator findIt = currentFeatureAttributes.find( attIndex );
if ( findIt == currentFeatureAttributes.constEnd() )
{
mCurrentFeature->addAttribute( attIndex, QVariant( "" ) );
}
}
mCurrentFeature->setGeometryAndOwnership( mCurrentWKB, mCurrentWKBSize );
mFeatures.insert( mCurrentFeature->id(), mCurrentFeature );
if ( !mCurrentFeatureId.isEmpty() )
{
mIdMap.insert( mCurrentFeature->id(), mCurrentFeatureId );
}
++mFeatureCount;
mParseModeStack.pop();
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "Point" )
{
std::list<QgsPoint> pointList;
if ( pointsFromCoordinateString( pointList, mStringCash ) != 0 )
{
//error
}
if ( mParseModeStack.top() != QgsWFSData::multiPoint )
{
//directly add WKB point to the feature
if ( getPointWKB( &mCurrentWKB, &mCurrentWKBSize, *( pointList.begin() ) ) != 0 )
{
//error
}
if ( *mWkbType != QGis::WKBMultiPoint ) //keep multitype in case of geometry type mix
{
*mWkbType = QGis::WKBPoint;
}
}
else //multipoint, add WKB as fragment
{
unsigned char* wkb = 0;
int wkbSize = 0;
std::list<unsigned char*> wkbList;
std::list<int> wkbSizeList;
if ( getPointWKB( &wkb, &wkbSize, *( pointList.begin() ) ) != 0 )
{
//error
}
mCurrentWKBFragments.rbegin()->push_back( wkb );
mCurrentWKBFragmentSizes.rbegin()->push_back( wkbSize );
//wkbList.push_back(wkb);
//wkbSizeList.push_back(wkbSize);
//mCurrentWKBFragments.push_back(wkbList);
//mCurrentWKBFragmentSizes.push_back(wkbSizeList);
}
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "LineString" )
{
//add WKB point to the feature
std::list<QgsPoint> pointList;
if ( pointsFromCoordinateString( pointList, mStringCash ) != 0 )
{
//error
}
if ( mParseModeStack.top() != QgsWFSData::multiLine )
{
if ( getLineWKB( &mCurrentWKB, &mCurrentWKBSize, pointList ) != 0 )
{
//error
}
if ( *mWkbType != QGis::WKBMultiLineString )//keep multitype in case of geometry type mix
{
*mWkbType = QGis::WKBLineString;
}
}
else //multiline, add WKB as fragment
{
unsigned char* wkb = 0;
int wkbSize = 0;
std::list<unsigned char*> wkbList;
std::list<int> wkbSizeList;
if ( getLineWKB( &wkb, &wkbSize, pointList ) != 0 )
{
//error
}
mCurrentWKBFragments.rbegin()->push_back( wkb );
mCurrentWKBFragmentSizes.rbegin()->push_back( wkbSize );
//wkbList.push_back(wkb);
//wkbSizeList.push_back(wkbSize);
//mCurrentWKBFragments.push_back(wkbList);
//mCurrentWKBFragmentSizes.push_back(wkbSizeList);
}
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "LinearRing" )
{
std::list<QgsPoint> pointList;
if ( pointsFromCoordinateString( pointList, mStringCash ) != 0 )
{
//error
}
unsigned char* wkb;
int wkbSize;
if ( getRingWKB( &wkb, &wkbSize, pointList ) != 0 )
{
//error
}
mCurrentWKBFragments.rbegin()->push_back( wkb );
mCurrentWKBFragmentSizes.rbegin()->push_back( wkbSize );
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "Polygon" )
{
if ( *mWkbType != QGis::WKBMultiPolygon )//keep multitype in case of geometry type mix
{
*mWkbType = QGis::WKBPolygon;
}
if ( mParseModeStack.top() != QgsWFSData::multiPolygon )
{
createPolygonFromFragments();
}
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "MultiPoint" )
{
*mWkbType = QGis::WKBMultiPoint;
if ( !mParseModeStack.empty() )
{
mParseModeStack.pop();
}
createMultiPointFromFragments();
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "MultiLineString" )
{
*mWkbType = QGis::WKBMultiLineString;
if ( !mParseModeStack.empty() )
{
mParseModeStack.pop();
}
createMultiLineFromFragments();
}
else if ( elementName == GML_NAMESPACE + NS_SEPARATOR + "MultiPolygon" )
{
*mWkbType = QGis::WKBMultiPolygon;
if ( !mParseModeStack.empty() )
{
mParseModeStack.pop();
}
createMultiPolygonFromFragments();
}
}
void RgLineVectorLayerDirector::makeGraph( RgGraphBuilder *builder, const QVector< QgsPoint >& additionalPoints,
QVector< QgsPoint >& tiedPoint ) const
{
QgsVectorLayer *vl = myLayer();
if ( vl == NULL )
return;
int featureCount = ( int ) vl->featureCount() * 2;
int step = 0;
QgsCoordinateTransform ct;
QgsDistanceArea da;
ct.setSourceCrs( vl->crs() );
if ( builder->coordinateTransformEnabled() )
{
ct.setDestCRS( builder->destinationCrs() );
da.setProjectionsEnabled( true );
//
//da.setSourceCrs( builder->destinationCrs().srsid() );
//
}
else
{
ct.setDestCRS( vl->crs() );
da.setProjectionsEnabled( false );
}
tiedPoint = QVector< QgsPoint >( additionalPoints.size(), QgsPoint( 0.0, 0.0 ) );
TiePointInfo tmpInfo;
tmpInfo.mLength = infinity();
QVector< TiePointInfo > pointLengthMap( additionalPoints.size(), tmpInfo );
QVector< TiePointInfo >::iterator pointLengthIt;
// begin: tie points to the graph
QgsAttributeList la;
vl->select( la );
QgsFeature feature;
while ( vl->nextFeature( feature ) )
{
QgsMultiPolyline mpl;
if ( feature.geometry()->wkbType() == QGis::WKBLineString )
{
mpl.push_back( feature.geometry()->asPolyline() );
}else if ( feature.geometry()->wkbType() == QGis::WKBMultiLineString )
{
mpl = feature.geometry()->asMultiPolyline();
}
QgsMultiPolyline::iterator mplIt;
for ( mplIt = mpl.begin(); mplIt != mpl.end(); ++mplIt )
{
QgsPoint pt1, pt2;
bool isFirstPoint = true;
QgsPolyline::iterator pointIt;
for ( pointIt = mplIt->begin(); pointIt != mplIt->end(); ++pointIt )
{
pt2 = builder->addVertex( ct.transform( *pointIt ) );
if ( !isFirstPoint )
{
int i = 0;
for ( i = 0; i != additionalPoints.size(); ++i )
{
TiePointInfo info;
if ( pt1 == pt2 )
{
info.mLength = additionalPoints[ i ].sqrDist( pt1 );
info.mTiedPoint = pt1;
}
else
{
info.mLength = additionalPoints[ i ].sqrDistToSegment( pt1.x(), pt1.y(), pt2.x(), pt2.y(), info.mTiedPoint );
}
if ( pointLengthMap[ i ].mLength > info.mLength )
{
info.mTiedPoint = builder->addVertex( info.mTiedPoint );
info.mFirstPoint = pt1;
info.mLastPoint = pt2;
pointLengthMap[ i ] = info;
tiedPoint[ i ] = info.mTiedPoint;
}
}
}
pt1 = pt2;
isFirstPoint = false;
}
}
emit buildProgress( ++step, featureCount );
}
// end: tie points to graph
if ( mDirectionFieldId != -1 )
{
la.push_back( mDirectionFieldId );
}
if ( mSpeedFieldId != -1 )
{
la.push_back( mSpeedFieldId );
}
SpeedUnit su = SpeedUnit::byName( mSpeedUnitName );
// begin graph construction
vl->select( la );
while ( vl->nextFeature( feature ) )
{
QgsAttributeMap attr = feature.attributeMap();
int directionType = mDefaultDirection;
QgsAttributeMap::const_iterator it;
// What direction have feature?
for ( it = attr.constBegin(); it != attr.constEnd(); ++it )
{
if ( it.key() != mDirectionFieldId )
{
continue;
}
QString str = it.value().toString();
if ( str == mBothDirectionValue )
{
directionType = 3;
}
else if ( str == mDirectDirectionValue )
{
directionType = 1;
}
else if ( str == mReverseDirectionValue )
{
directionType = 2;
}
}
// What speed have feature?
double speed = 0.0;
for ( it = attr.constBegin(); it != attr.constEnd(); ++it )
{
if ( it.key() != mSpeedFieldId )
{
continue;
}
speed = it.value().toDouble();
}
if ( speed <= 0.0 )
{
speed = mDefaultSpeed;
}
// begin features segments and add arc to the Graph;
QgsMultiPolyline mpl;
if ( feature.geometry()->wkbType() == QGis::WKBLineString )
{
mpl.push_back( feature.geometry()->asPolyline() );
}else if ( feature.geometry()->wkbType() == QGis::WKBMultiLineString )
{
mpl = feature.geometry()->asMultiPolyline();
}
QgsMultiPolyline::iterator mplIt;
for ( mplIt = mpl.begin(); mplIt != mpl.end(); ++mplIt )
{
QgsPoint pt1, pt2;
bool isFirstPoint = true;
QgsPolyline::iterator pointIt;
for ( pointIt = mplIt->begin(); pointIt != mplIt->end(); ++pointIt )
{
pt2 = builder->addVertex( ct.transform( *pointIt ) );
std::map< double, QgsPoint > pointsOnArc;
pointsOnArc[ 0.0 ] = pt1;
pointsOnArc[ pt1.sqrDist( pt2 )] = pt2;
for ( pointLengthIt = pointLengthMap.begin(); pointLengthIt != pointLengthMap.end(); ++pointLengthIt )
{
if ( pointLengthIt->mFirstPoint == pt1 && pointLengthIt->mLastPoint == pt2 )
{
QgsPoint tiedPoint = pointLengthIt->mTiedPoint;
pointsOnArc[ pt1.sqrDist( tiedPoint )] = tiedPoint;
}
}
if ( !isFirstPoint )
{
std::map< double, QgsPoint >::iterator pointsIt;
QgsPoint pt1;
QgsPoint pt2;
bool isFirstPoint = true;
for ( pointsIt = pointsOnArc.begin(); pointsIt != pointsOnArc.end(); ++pointsIt )
{
pt2 = pointsIt->second;
if ( !isFirstPoint )
{
double cost = da.measureLine( pt1, pt2 );
if ( directionType == 1 ||
directionType == 3 )
{
builder->addArc( pt1, pt2, cost, speed*su.multipler(), feature.id() );
}
if ( directionType == 2 ||
directionType == 3 )
{
builder->addArc( pt2, pt1, cost, speed*su.multipler(), feature.id() );
}
}
pt1 = pt2;
isFirstPoint = false;
}
} // if ( !isFirstPoint )
pt1 = pt2;
isFirstPoint = false;
}
} // for (it = pl.begin(); it != pl.end(); ++it)
emit buildProgress( ++step, featureCount );
} // while( vl->nextFeature(feature) )
} // makeGraph( RgGraphBuilder *builder, const QgsRectangle& rt )
void QgsMapToolRotatePointSymbols::canvasPressEvent( QMouseEvent *e )
{
if ( !mCanvas )
{
return;
}
mActiveLayer = currentVectorLayer();
if ( !mActiveLayer )
{
notifyNotVectorLayer();
return;
}
if ( !mActiveLayer->isEditable() )
{
notifyNotEditableLayer();
return;
}
if ( mActiveLayer->geometryType() != QGis::Point )
{
return;
}
//find the closest feature to the pressed position
QgsMapCanvasSnapper canvasSnapper( mCanvas );
QList<QgsSnappingResult> snapResults;
if ( canvasSnapper.snapToCurrentLayer( e->pos(), snapResults, QgsSnapper::SnapToVertex, -1 ) != 0 || snapResults.size() < 1 )
{
QMessageBox::critical( 0, tr( "No point feature" ), tr( "No point feature was detected at the clicked position. Please click closer to the feature or enhance the search tolerance under Settings->Options->Digitizing->Serch radius for vertex edits" ) );
return; //error during snapping
}
mFeatureNumber = snapResults.at( 0 ).snappedAtGeometry;
//get list with renderer rotation attributes
if ( layerRotationAttributes( mActiveLayer, mCurrentRotationAttributes ) != 0 )
{
return;
}
if ( mCurrentRotationAttributes.size() < 1 )
{
QMessageBox::critical( 0, tr( "No rotation Attributes" ), tr( "The active point layer does not have a rotation attribute" ) );
return;
}
mSnappedPoint = toCanvasCoordinates( snapResults.at( 0 ).snappedVertex );
//find out initial arrow direction
QgsFeature pointFeature;
if ( !mActiveLayer->featureAtId( mFeatureNumber, pointFeature, false, true ) )
{
return;
}
const QgsAttributeMap pointFeatureAttributes = pointFeature.attributeMap();
const QgsAttributeMap::const_iterator attIt = pointFeatureAttributes.find( mCurrentRotationAttributes.at( 0 ) );
if ( attIt == pointFeatureAttributes.constEnd() )
{
return;
}
mCurrentRotationFeature = attIt.value().toDouble();
createPixmapItem( pointFeature );
if ( mRotationItem )
{
mRotationItem->setPointLocation( snapResults.at( 0 ).snappedVertex );
}
mCurrentMouseAzimut = calculateAzimut( e->pos() );
setPixmapItemRotation(( int )( mCurrentMouseAzimut ) );
mRotating = true;
}