bool Receiver::receiveData() { waitForBeginMessage(); rType = getMessageType(); bool endFlag= 0; if(strchr(validMessageTypes, rType) == NULL) { return false; } Serial.print(" Received valid type message "); Serial.print(rType); rCount = getMessageLength(); Serial.print (" message length is ") ; Serial.println(rCount); if(rCount < 0 || rCount > maxRL) { return false; } endFlag = getDataValues(); return endFlag; }
void QgsGraduatedSymbolRendererV2::updateClasses( QgsVectorLayer *vlayer, Mode mode, int nclasses ) { if ( mAttrName.isEmpty() ) return; setMode( mode ); // Custom classes are not recalculated if ( mode == Custom ) return; if ( nclasses < 1 ) nclasses = 1; QList<double> values; bool valuesLoaded = false; double minimum; double maximum; int attrNum = vlayer->fieldNameIndex( mAttrName ); if ( attrNum == -1 ) { values = getDataValues( vlayer ); if ( values.isEmpty() ) return; qSort( values ); minimum = values.first(); maximum = values.last(); valuesLoaded = true; } else { minimum = vlayer->minimumValue( attrNum ).toDouble(); maximum = vlayer->maximumValue( attrNum ).toDouble(); } QgsDebugMsg( QString( "min %1 // max %2" ).arg( minimum ).arg( maximum ) ); QList<double> breaks; QList<double> labels; if ( mode == EqualInterval ) { breaks = _calcEqualIntervalBreaks( minimum, maximum, nclasses ); } else if ( mode == Pretty ) { breaks = _calcPrettyBreaks( minimum, maximum, nclasses ); } else if ( mode == Quantile || mode == Jenks || mode == StdDev ) { // get values from layer if ( !valuesLoaded ) { values = getDataValues( vlayer ); } // calculate the breaks if ( mode == Quantile ) { breaks = _calcQuantileBreaks( values, nclasses ); } else if ( mode == Jenks ) { breaks = _calcJenksBreaks( values, nclasses, minimum, maximum ); } else if ( mode == StdDev ) { breaks = _calcStdDevBreaks( values, nclasses, labels ); } } else { Q_ASSERT( false ); } double lower, upper = minimum; QString label; deleteAllClasses(); // "breaks" list contains all values at class breaks plus maximum as last break int i = 0; for ( QList<double>::iterator it = breaks.begin(); it != breaks.end(); ++it, ++i ) { lower = upper; // upper border from last interval upper = *it; // Label - either StdDev label or default label for a range if ( mode == StdDev ) { if ( i == 0 ) { label = "< " + QString::number( labels[i], 'f', 2 ) + " Std Dev"; } else if ( i == labels.count() - 1 ) { label = ">= " + QString::number( labels[i-1], 'f', 2 ) + " Std Dev"; } else { label = QString::number( labels[i-1], 'f', 2 ) + " Std Dev" + " - " + QString::number( labels[i], 'f', 2 ) + " Std Dev"; } } else { label = mLabelFormat.labelForRange( lower, upper ); } QgsSymbolV2* newSymbol = mSourceSymbol ? mSourceSymbol->clone() : QgsSymbolV2::defaultSymbol( vlayer->geometryType() ); addClass( QgsRendererRangeV2( lower, upper, newSymbol, label ) ); } updateColorRamp( 0, mInvertedColorRamp ); }