Method addYRange

src/backend/worksheet/plots/cartesian/CartesianPlot.cpp:1480–1484

	setProjectChanged(true);
}
void CartesianPlot::addYRange() {
	Q_D(CartesianPlot);
	d->yRanges.append(CartesianPlot::Private::RichRange());
	setProjectChanged(true);
}
void CartesianPlot::addXRange(const Range<double>& range) {
	Q_D(CartesianPlot);
	d->xRanges.append(CartesianPlot::Private::RichRange(range));