Method xIndexCount

src/backend/worksheet/plots/cartesian/RunChart.cpp:175–181

 * returns the number of index values used for x.
 */
int RunChart::xIndexCount() const {
	Q_D(const RunChart);
	if (!d->dataColumn)
		return 0;

	return d->dataColumn->rowCount();
}

// lines
Line* RunChart::dataLine() const {