void Lineplot::linkScales() { setAxisScaleDiv(QwtPlot::yRight, deref(axisScaleDiv(QwtPlot::yLeft))); }
double SingleCellViewGraphPanelPlotWidget::minY() const { // Return our minimum Y value return axisScaleDiv(QwtPlot::yLeft).lowerBound(); }
//! Rebuild the scales void QwtPlot::updateAxes() { // Find bounding interval of the item data // for all axes, where autoscaling is enabled QwtInterval intv[axisCnt]; const QwtPlotItemList& itmList = itemList(); QwtPlotItemIterator it; for ( it = itmList.begin(); it != itmList.end(); ++it ) { const QwtPlotItem *item = *it; if ( !item->testItemAttribute( QwtPlotItem::AutoScale ) ) continue; if ( !item->isVisible() ) continue; if ( axisAutoScale( item->xAxis() ) || axisAutoScale( item->yAxis() ) ) { const QRectF rect = item->boundingRect(); if ( rect.width() >= 0.0 ) intv[item->xAxis()] |= QwtInterval( rect.left(), rect.right() ); if ( rect.height() >= 0.0 ) intv[item->yAxis()] |= QwtInterval( rect.top(), rect.bottom() ); } } // Adjust scales for ( int axisId = 0; axisId < axisCnt; axisId++ ) { AxisData &d = *d_axisData[axisId]; double minValue = d.minValue; double maxValue = d.maxValue; double stepSize = d.stepSize; if ( d.doAutoScale && intv[axisId].isValid() ) { d.isValid = false; minValue = intv[axisId].minValue(); maxValue = intv[axisId].maxValue(); d.scaleEngine->autoScale( d.maxMajor, minValue, maxValue, stepSize ); } if ( !d.isValid ) { d.scaleDiv = d.scaleEngine->divideScale( minValue, maxValue, d.maxMajor, d.maxMinor, stepSize ); d.isValid = true; } QwtScaleWidget *scaleWidget = axisWidget( axisId ); scaleWidget->setScaleDiv( d.scaleDiv ); int startDist, endDist; scaleWidget->getBorderDistHint( startDist, endDist ); scaleWidget->setBorderDist( startDist, endDist ); } for ( it = itmList.begin(); it != itmList.end(); ++it ) { QwtPlotItem *item = *it; if ( item->testItemInterest( QwtPlotItem::ScaleInterest ) ) { item->updateScaleDiv( axisScaleDiv( item->xAxis() ), axisScaleDiv( item->yAxis() ) ); } } }
double SingleCellViewGraphPanelPlotWidget::maxX() const { // Return our maximum X value return axisScaleDiv(QwtPlot::xBottom).upperBound(); }