Hi
with regards
How can i implement selecting a region(rectangle)of a graph to zoom only that region?
Hi
with regards
How can i implement selecting a region(rectangle)of a graph to zoom only that region?
It's quiet easy to add a rect zoomer :
_p_plot = new QCustomPlot(); _p_plot->addGraph(); _p_plot->setInteractions(QCP::iRangeDrag | QCP::iRangeZoom | QCP::iSelectPlottables); _p_plot->axisRect()->setRangeDrag(Qt::Horizontal); _p_plot->axisRect()->setRangeZoom(Qt::Horizontal); _p_plot->axisRect()->setRangeZoomAxes(_p_plot->xAxis, NULL); //To block y axis zoom NULL axis as horizontal _p_plot->setSelectionRectMode(QCP::srmZoom);