C++ Q3DBAR具有稀疏网格，可能吗？

在下图中，列的标签变为稀疏。如何使网格线稀疏

这就是代码

专业人士

main.cpp

#include <QtDataVisualization>

using namespace QtDataVisualization;

int main(int argc, char **argv)
{
    QGuiApplication app(argc, argv);

    Q3DBars bars;
    bars.setFlags(bars.flags() ^ Qt::FramelessWindowHint);
    bars.resize(800,600);
    bars.scene()->activeCamera()->setCameraPosition(30,30);

    bars.setShadowQuality(QAbstract3DGraph::ShadowQualityNone);

    bars.rowAxis()->setTitle("Rows");
    bars.rowAxis()->setTitleVisible(true);

    bars.columnAxis()->setTitle("Columns");
    bars.columnAxis()->setTitleVisible(true);

    QStringList row_labels{"0", "", "20", "", "40"};
    QStringList column_labels;

    int columns = 40;
    for (int i = 0; i < columns; i++)
        if (i % 10)
            column_labels << "";
        else
            column_labels << QString::number(i);

    bars.rowAxis()->setRange(0, row_labels.count()-1);
    bars.columnAxis()->setRange(0, column_labels.count()-1);

    bars.setBarSpacing(QSizeF(1,columns));

    QBar3DSeries *series = new QBar3DSeries;
    series->dataProxy()->setRowLabels(row_labels);
    series->dataProxy()->setColumnLabels(column_labels);

    QBarDataRow *data = new QBarDataRow;
    for (int i = 0; i < columns; i++)
        *data << i;
    series->dataProxy()->addRow(data);
    bars.addSeries(series);

//    bars.activeTheme()->setGridEnabled(false);
    bars.show();

    return app.exec();
}

#包括
使用数据可视化；
int main（int argc，字符**argv）
{
QGUI应用程序应用程序（argc、argv）；
Q3DBars棒；
bars.setFlags（bars.flags（）^Qt:：FramelessWindowHint）；
调整大小（800600）；
bars.scene（）->activeCamera（）->setCameraPosition（30,30）；
bars.setShadowQuality（QAbstract3DGraph:：ShadowQualityNone）；
bars.rowAxis（）->setTitle（“行”）；
bar.rowAxis（）->setTitleVible（true）；
bar.columnAxis（）->setTitle（“列”）；
bar.columnAxis（）->可设置标题（true）；
QStringList行_标签{“0”、“20”、“40”}；
QStringList列标签；
int列=40；
对于（int i=0；idataProxy（）->setRowLabels（行标签）；
series->dataProxy（）->setColumnLabels（列标签）；
QBarDataRow*数据=新的QBarDataRow；
对于（int i=0；iaddRow（数据）；
棒材系列（系列）；
//bar.activeTheme（）->setGridEnabled（false）；
bar.show（）；
返回app.exec（）；
}

#include <QtDataVisualization>

using namespace QtDataVisualization;

int main(int argc, char **argv)
{
    QGuiApplication app(argc, argv);

    Q3DBars bars;
    bars.setFlags(bars.flags() ^ Qt::FramelessWindowHint);
    bars.resize(800,600);
    bars.scene()->activeCamera()->setCameraPosition(30,30);

    bars.setShadowQuality(QAbstract3DGraph::ShadowQualityNone);

    bars.rowAxis()->setTitle("Rows");
    bars.rowAxis()->setTitleVisible(true);

    bars.columnAxis()->setTitle("Columns");
    bars.columnAxis()->setTitleVisible(true);

    QStringList row_labels{"0", "", "20", "", "40"};
    QStringList column_labels;

    int columns = 40;
    for (int i = 0; i < columns; i++)
        if (i % 10)
            column_labels << "";
        else
            column_labels << QString::number(i);

    bars.rowAxis()->setRange(0, row_labels.count()-1);
    bars.columnAxis()->setRange(0, column_labels.count()-1);

    bars.setBarSpacing(QSizeF(1,columns));

    QBar3DSeries *series = new QBar3DSeries;
    series->dataProxy()->setRowLabels(row_labels);
    series->dataProxy()->setColumnLabels(column_labels);

    QBarDataRow *data = new QBarDataRow;
    for (int i = 0; i < columns; i++)
        *data << i;
    series->dataProxy()->addRow(data);
    bars.addSeries(series);

//    bars.activeTheme()->setGridEnabled(false);
    bars.show();

    return app.exec();
}