基于国产化平台的QCustomPlot多图绘制性能提升方法  

Performance improvement method for QCustomPlot multi-image drawing based on domestic platform

作　　者：吴昊 蒋培培 WU Hao;JIANG Peipei(No.8 Research Academy of CSSC,Nanjing 211153,China)

机构地区：[1]中国船舶集团有限公司第八研究院,江苏南京211153

出　　处：《无线互联科技》2025年第2期121-124,共4页Wireless Internet Science and Technology

摘　　要：QCustomPlot是一种Qt中常用的绘制图表、图像的C++库类。针对图像绘制大量数据时性能下降问题,文章提出一种多图绘制性能提升方法。通过数据预处理进行抽样叠加;增加缓存优化提高数据存储和访问效率;同时利用多线程处理提高绘制性能。数据仿真表明,该方法保证了图像绘制质量,进一步提升了多图绘制的效率。QCustomPlot is a C++library class commonly used in Qt for drawing charts and images.The article proposes a method to improve the performance of multi image rendering in response to the problem of performance degradation when drawing large amounts of data in images,sample stacking through data preprocessing,increasing cache optimization to improve data storage and access efficiency,simultaneously utilizing multi-threaded processing and other methods to improve rendering performance.Data simulation shows that this method ensures the quality of image rendering and further improves the efficiency of multi image rendering.The results demonstrate the effectiveness of this method.

关 键 词：QCustomPlot库类 绘图 多图 缓存优化 多线程处理 

分 类 号：TP319[自动化与计算机技术—计算机软件与理论]