qt qchart柱状图坐标轴设置问题 - QTCN开发网

只看楼主倒序阅读楼主发表于: 2018-12-03

如何将红圈内的空间缩小，甚至没有

    QBarSet *set0 = new QBarSet("");
QBarSet *set1 = new QBarSet("");
QBarSet *set2 = new QBarSet("");
QBarSet *set3 = new QBarSet("");
QBarSet *set4 = new QBarSet("");
QBarSet *set5 = new QBarSet("");
QBarSet *set6 = new QBarSet("");
QBarSet *set7 = new QBarSet("");
QBarSet *set8 = new QBarSet("");
  QBarSet *set9 = new QBarSet("");
QBarSet *set10 = new QBarSet("");
QBarSet *set11 = new QBarSet("");
QBarSet *set12 = new QBarSet("");
QBarSet *set13 = new QBarSet("");
    QBarSet *set14 = new QBarSet("");
  QBarSet *set15 = new QBarSet("");
QBarSet *set16 = new QBarSet("");
QBarSet *set17 = new QBarSet("");
QBarSet *set18 = new QBarSet("");
  QBarSet *set19 = new QBarSet("");
   QBarSet *set20 = new QBarSet("");
QBarSet *set21 = new QBarSet("");
   QBarSet *set22 = new QBarSet("");
    QBarSet *set23 = new QBarSet("");
  QBarSet *set24 = new QBarSet("");
QBarSet *set25 = new QBarSet("");
QBarSet *set26 = new QBarSet("");
QBarSet *set27 = new QBarSet("");

    *set0 << 1 ;
*set1 << 5 ;
*set2 << 3 ;
*set3 << 5 ;
*set4 << 9 ;
*set5 << 9 ;
*set6 << 9 ;
*set7 << 9 ;
*set8 << 9 ;
*set9 << 9 ;
*set10 << 9 ;
*set11 << 9 ;
*set12 << 9 ;
*set13 << 9 ;
    *set14 << 1 ;
  *set15 << 5 ;
*set16 << 3 ;
*set17 << 5 ;
*set18 << 9 ;
*set19 << 9 ;
*set20 << 9 ;
*set21 << 9 ;
*set22 << 9 ;
  *set23 << 9 ;
*set24 << 9 ;
*set25 << 9 ;
*set26 << 9 ;
*set27 << 9 ;

    QBarSeries *series = new QBarSeries();
series->append(set0);
series->append(set1);
  series->append(set2);
series->append(set3);
  series->append(set4);
series->append(set5);
series->append(set6);
  series->append(set7);
series->append(set8);
series->append(set9);
series->append(set10);
  series->append(set11);
  series->append(set12);
  series->append(set13);
    series->append(set14);
  series->append(set15);
series->append(set16);
series->append(set17);
series->append(set18);
series->append(set19);
series->append(set20);
series->append(set21);
series->append(set22);
series->append(set23);
  series->append(set24);
series->append(set25);
series->append(set26);
series->append(set27);

    QChart *chart = new QChart();
QChartView *chartView = new QChartView(chart);//    v.setRubberBand(QChartView::HorizontalRubberBand);
  chartView->setRubberBand(QChartView::RectangleRubberBand);
chart->addSeries(series);

chart->setTitle("Simple barchart example");
  chart->setAnimationOptions(QChart::SeriesAnimations);
chart->setTheme(QChart::ChartThemeBlueCerulean);
  QStringList categories;    categories << "Jan" ;
QBarCategoryAxis *axis = new QBarCategoryAxis();
  axis->append(categories);
axis->setGridLineVisible(false);
chart->createDefaultAxes();
chart->setAxisX(axis, series);
    chart->legend()->setVisible(false);
  chart->legend()->setAlignment(Qt::AlignBottom);
//    QChartView *chartView = new QChartView(this);
  ui->graphicsView->setChart(chart);
ui->graphicsView->setRubberBand(QChartView::RectangleRubberBand);
  ui->graphicsView->setRenderHint(QPainter::Antialiasing);