QCustomPlot源文件、使用QCustomPlot绘制的demo、使用QChart绘制的demo

上传者: linyibin_123 | 上传时间: 2025-04-18 21:41:18 | 文件大小: 44.26MB | 文件类型: RAR
在本文中,我们将深入探讨如何使用Qt库中的两个组件,QCustomPlot和QChart,来创建各种图形。QCustomPlot是一个强大的2D图形库,专为Qt设计,提供了丰富的自定义选项,而QChart是Qt Charts模块的一部分,用于创建更标准的统计图表。 让我们关注QCustomPlot。QCustomPlot是一个轻量级且灵活的解决方案,适用于需要高度定制图形的项目。它允许开发者创建动态曲线图和柱状图。以下是一些关键知识点: 1. **曲线图绘制**:使用QCustomPlot,你可以通过设置数据点并调用`replot()`方法实时更新曲线。你可以设置线的颜色、宽度、样式,以及添加标记和标签。此外,QCustomPlot支持多轴和多图层,使得在同一个窗口展示多个独立的图表成为可能。 2. **柱状图绘制**:对于柱状图,QCustomPlot提供了一种简单的方法来定位和绘制条形,包括设置颜色、宽度和间距。还可以添加网格线,自定义刻度和标签,以提高可视化效果。 3. **事件处理和交互性**:QCustomPlot支持鼠标事件,如点击、拖动和缩放,这使得用户可以与图形进行交互。例如,可以添加信号槽机制,当用户单击某个数据点时触发特定操作。 4. **源文件结构**:QCustomPlot-2.1.0压缩包包含头文件和库文件,供开发人员在项目中链接和使用。通常,你需要将头文件添加到包含路径,并链接相应的库文件到你的构建系统。 接下来,我们转向QChart,它是Qt的一个内置组件,主要用于创建标准的统计图表,如饼图、柱状图、折线图等。 1. **饼状图**:使用QChart,你可以轻松创建饼状图来表示数据的比例关系。每个扇区代表数据的一部分,可以通过设置颜色、标签和百分比显示。QPieSeries类是构建饼图的基础,你可以添加数据点并调整其属性。 2. **其他图表类型**:除了饼图,QChart还支持线形图、柱状图、散点图等。QLineSeries、QBarSeries和QSplineSeries等类分别用于这些图表类型。 3. **QChartView和QGraphicsView**:QChart组件通常是通过QChartView显示的,它基于QGraphicsView,提供了缩放和平移功能。你可以自定义视图的行为,如设置滚动范围,或者禁用某些交互功能。 4. **样式和主题**:QChart允许你改变图表的整体风格,包括颜色方案和边框样式。Qt Charts库提供了一些预定义的主题,也可以自定义创建新的主题。 5. **数据绑定**:QChart可以直接与QModel或QAbstractItemModel数据模型绑定,方便地将表格数据转换为可视化的图表。 QCustomPlot和QChart为Qt应用程序提供了丰富的图形绘制能力。QCustomPlot适合需要高度定制和复杂交互的场景,而QChart则提供了标准化的图表组件,易于集成到各种Qt应用中。理解并掌握这两个组件,将极大地提升你在Qt图形编程方面的技能。

文件下载

资源详情

[{"title":"( 376 个子文件 44.26MB ) QCustomPlot源文件、使用QCustomPlot绘制的demo、使用QChart绘制的demo","children":[{"title":"qcustomplot.cpp <span style='color:#111;'> 1.25MB </span>","children":null,"spread":false},{"title":"qcustomplot.cpp <span style='color:#111;'> 1.25MB </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 68.08KB </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 11.78KB </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 6.40KB </span>","children":null,"spread":false},{"title":"axistag.cpp <span style='color:#111;'> 5.19KB </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 4.92KB </span>","children":null,"spread":false},{"title":"mainwindow.cpp <span style='color:#111;'> 4.22KB </span>","children":null,"spread":false},{"title":"qcpdocumentobject.cpp <span style='color:#111;'> 3.36KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 2.06KB </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 728B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 177B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 177B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 177B </span>","children":null,"spread":false},{"title":"main.cpp <span style='color:#111;'> 177B </span>","children":null,"spread":false},{"title":"qcp.css <span style='color:#111;'> 11.93KB </span>","children":null,"spread":false},{"title":"tabs.css <span style='color:#111;'> 9.06KB </span>","children":null,"spread":false},{"title":"QCustomPlot.tar.gz <span style='color:#111;'> 3.59MB </span>","children":null,"spread":false},{"title":"QCustomPlot-source.tar.gz <span style='color:#111;'> 361.24KB </span>","children":null,"spread":false},{"title":"QCustomPlot-sharedlib.tar.gz <span style='color:#111;'> 2.20KB </span>","children":null,"spread":false},{"title":"qcustomplot.h <span style='color:#111;'> 301.72KB </span>","children":null,"spread":false},{"title":"qcustomplot.h <span style='color:#111;'> 301.72KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 5.24KB </span>","children":null,"spread":false},{"title":"qcpdocumentobject.h <span style='color:#111;'> 2.73KB </span>","children":null,"spread":false},{"title":"axistag.h <span style='color:#111;'> 2.50KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 2.31KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 2.31KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 2.29KB </span>","children":null,"spread":false},{"title":"mainwindow.h <span style='color:#111;'> 870B </span>","children":null,"spread":false},{"title":"classQCustomPlot.html <span style='color:#111;'> 303.54KB </span>","children":null,"spread":false},{"title":"classQCPPolarAxisAngular.html <span style='color:#111;'> 200.11KB </span>","children":null,"spread":false},{"title":"classQCPAxis.html <span style='color:#111;'> 185.51KB </span>","children":null,"spread":false},{"title":"classQCPPolarAxisRadial.html <span style='color:#111;'> 162.67KB </span>","children":null,"spread":false},{"title":"classQCPGraph.html <span style='color:#111;'> 156.40KB </span>","children":null,"spread":false},{"title":"classQCPAxisRect.html <span style='color:#111;'> 142.54KB </span>","children":null,"spread":false},{"title":"classQCPCurve.html <span style='color:#111;'> 128.09KB </span>","children":null,"spread":false},{"title":"classQCPLegend.html <span style='color:#111;'> 126.88KB </span>","children":null,"spread":false},{"title":"classQCPFinancial.html <span style='color:#111;'> 125.70KB </span>","children":null,"spread":false},{"title":"classQCPAbstractPlottable.html <span style='color:#111;'> 119.34KB </span>","children":null,"spread":false},{"title":"classQCPErrorBars.html <span style='color:#111;'> 117.56KB </span>","children":null,"spread":false},{"title":"classQCPBars.html <span style='color:#111;'> 111.12KB </span>","children":null,"spread":false},{"title":"classQCPStatisticalBox.html <span style='color:#111;'> 108.51KB </span>","children":null,"spread":false},{"title":"classQCPLayoutGrid.html <span style='color:#111;'> 104.04KB </span>","children":null,"spread":false},{"title":"classQCPPolarGraph.html <span style='color:#111;'> 99.14KB </span>","children":null,"spread":false},{"title":"classQCPColorMap.html <span style='color:#111;'> 96.55KB </span>","children":null,"spread":false},{"title":"classQCPLayerable.html <span style='color:#111;'> 88.54KB </span>","children":null,"spread":false},{"title":"classQCPTextElement.html <span style='color:#111;'> 85.81KB </span>","children":null,"spread":false},{"title":"classQCPColorScale.html <span style='color:#111;'> 83.83KB </span>","children":null,"spread":false},{"title":"classQCPAbstractItem.html <span style='color:#111;'> 81.28KB </span>","children":null,"spread":false},{"title":"classQCPLayoutElement.html <span style='color:#111;'> 80.44KB </span>","children":null,"spread":false},{"title":"classQCPAbstractPlottable1D.html <span style='color:#111;'> 75.64KB </span>","children":null,"spread":false},{"title":"classQCPLayout.html <span style='color:#111;'> 72.02KB </span>","children":null,"spread":false},{"title":"functions_s.html <span style='color:#111;'> 71.80KB </span>","children":null,"spread":false},{"title":"classQCPItemText.html <span style='color:#111;'> 71.72KB </span>","children":null,"spread":false},{"title":"classQCPLayoutInset.html <span style='color:#111;'> 71.59KB </span>","children":null,"spread":false},{"title":"classQCPAbstractLegendItem.html <span style='color:#111;'> 67.00KB </span>","children":null,"spread":false},{"title":"classQCPDataContainer.html <span style='color:#111;'> 64.92KB </span>","children":null,"spread":false},{"title":"classQCPItemTracer.html <span style='color:#111;'> 63.80KB </span>","children":null,"spread":false},{"title":"functions_func_s.html <span style='color:#111;'> 62.96KB </span>","children":null,"spread":false},{"title":"classQCPItemPixmap.html <span style='color:#111;'> 56.82KB </span>","children":null,"spread":false},{"title":"classQCPDataSelection.html <span style='color:#111;'> 56.17KB </span>","children":null,"spread":false},{"title":"classQCPScatterStyle.html <span style='color:#111;'> 55.06KB </span>","children":null,"spread":false},{"title":"classQCPItemBracket.html <span style='color:#111;'> 53.72KB </span>","children":null,"spread":false},{"title":"classQCPPlottableLegendItem.html <span style='color:#111;'> 53.71KB </span>","children":null,"spread":false},{"title":"classQCPItemPosition.html <span style='color:#111;'> 53.66KB </span>","children":null,"spread":false},{"title":"classQCPItemEllipse.html <span style='color:#111;'> 53.33KB </span>","children":null,"spread":false},{"title":"classQCPItemRect.html <span style='color:#111;'> 51.98KB </span>","children":null,"spread":false},{"title":"classQCPColorMapData.html <span style='color:#111;'> 50.40KB </span>","children":null,"spread":false},{"title":"classQCPItemLine.html <span style='color:#111;'> 50.10KB </span>","children":null,"spread":false},{"title":"classQCPItemCurve.html <span style='color:#111;'> 49.39KB </span>","children":null,"spread":false},{"title":"classQCPSelectionRect.html <span style='color:#111;'> 48.66KB </span>","children":null,"spread":false},{"title":"classQCPPolarLegendItem.html <span style='color:#111;'> 48.48KB </span>","children":null,"spread":false},{"title":"classQCPRange.html <span style='color:#111;'> 46.79KB </span>","children":null,"spread":false},{"title":"classQCPColorGradient.html <span style='color:#111;'> 46.29KB </span>","children":null,"spread":false},{"title":"classQCPItemStraightLine.html <span style='color:#111;'> 45.61KB </span>","children":null,"spread":false},{"title":"classQCPAxisTicker.html <span style='color:#111;'> 43.94KB </span>","children":null,"spread":false},{"title":"classQCPAxisTickerDateTime.html <span style='color:#111;'> 43.27KB </span>","children":null,"spread":false},{"title":"classQCPVector2D.html <span style='color:#111;'> 39.02KB </span>","children":null,"spread":false},{"title":"classQCPAxisTickerPi.html <span style='color:#111;'> 36.91KB </span>","children":null,"spread":false},{"title":"classQCPSelectionDecoratorBracket.html <span style='color:#111;'> 36.83KB </span>","children":null,"spread":false},{"title":"classQCPBarsGroup.html <span style='color:#111;'> 36.48KB </span>","children":null,"spread":false},{"title":"classQCPAxisTickerText.html <span style='color:#111;'> 36.45KB </span>","children":null,"spread":false},{"title":"namespaceQCP.html <span style='color:#111;'> 35.91KB </span>","children":null,"spread":false},{"title":"classQCPGrid.html <span style='color:#111;'> 35.26KB </span>","children":null,"spread":false},{"title":"classQCPPolarGrid.html <span style='color:#111;'> 34.86KB </span>","children":null,"spread":false},{"title":"classQCPPlottableInterface1D.html <span style='color:#111;'> 33.87KB </span>","children":null,"spread":false},{"title":"hierarchy.html <span style='color:#111;'> 31.78KB </span>","children":null,"spread":false},{"title":"classQCPAxisTickerTime.html <span style='color:#111;'> 30.97KB </span>","children":null,"spread":false},{"title":"classQCPLayer.html <span style='color:#111;'> 30.45KB </span>","children":null,"spread":false},{"title":"classQCPDataRange.html <span style='color:#111;'> 28.99KB </span>","children":null,"spread":false},{"title":"annotated.html <span style='color:#111;'> 26.43KB </span>","children":null,"spread":false},{"title":"classQCPLineEnding.html <span style='color:#111;'> 25.59KB </span>","children":null,"spread":false},{"title":"functions_eval.html <span style='color:#111;'> 24.58KB </span>","children":null,"spread":false},{"title":"classQCPAxisTickerFixed.html <span style='color:#111;'> 24.48KB </span>","children":null,"spread":false},{"title":"classQCPSelectionDecorator.html <span style='color:#111;'> 23.95KB </span>","children":null,"spread":false},{"title":"classQCPPainter.html <span style='color:#111;'> 23.46KB </span>","children":null,"spread":false},{"title":"classQCPAbstractPaintBuffer.html <span style='color:#111;'> 23.33KB </span>","children":null,"spread":false},{"title":"classQCPAxisTickerLog.html <span style='color:#111;'> 23.24KB </span>","children":null,"spread":false},{"title":"classQCPStatisticalBoxData.html <span style='color:#111;'> 19.34KB </span>","children":null,"spread":false},{"title":"classQCPPaintBufferGlFbo.html <span style='color:#111;'> 18.57KB </span>","children":null,"spread":false},{"title":"......","children":null,"spread":false},{"title":"<span style='color:steelblue;'>文件过多,未全部展示</span>","children":null,"spread":false}],"spread":true}]

评论信息

免责申明

【只为小站】的资源来自网友分享,仅供学习研究,请务必在下载后24小时内给予删除,不得用于其他任何用途,否则后果自负。基于互联网的特殊性,【只为小站】 无法对用户传输的作品、信息、内容的权属或合法性、合规性、真实性、科学性、完整权、有效性等进行实质审查;无论 【只为小站】 经营者是否已进行审查,用户均应自行承担因其传输的作品、信息、内容而可能或已经产生的侵权或权属纠纷等法律责任。
本站所有资源不代表本站的观点或立场,基于网友分享,根据中国法律《信息网络传播权保护条例》第二十二条之规定,若资源存在侵权或相关问题请联系本站客服人员,zhiweidada#qq.com,请把#换成@,本站将给予最大的支持与配合,做到及时反馈和处理。关于更多版权及免责申明参见 版权及免责申明