Research And Implement Of Data Visualization Engine Based On Data-driven And Grammar Of Graphics

With the advent of era of big data,how to adopt effective methods to handle data analysis better has become more and more important,and the data visualization is an extremely important data analysis method.It can not only show the relationship between the data intuitive,but also the more important thing is that to help data analysts and managers to make significant decisions quickly.The main contributions of this paper are,1)This paper proposes a data visualization engine based on data-driven and grammar of graphics.It is used specifically for the visualization expression of statistical graphics.Compared with common visualization libraries,the data visualization engine in this paper provides an easy to use and user-friendly method to describe graphical structure,and it also provides the declarative semantics of middle layer to describe chart more detailed.You can compose more charts in this way.2)In this paper,we have design and develop a lightweight and fast 2D rendering library.The engine also provides the data-driven selection to make more effective management of the scene tree.3)This paper can divide the high dimensional multivariate data and proposes the pivot table of graphics to visual the high dimensional multivariate data and help users to understand data more effective.The engine in this paper has been used for many products in NetEase.It can also provide the visual charts for the agile analysis platform and help to make data analysis and reasonable decisions quickly.