Use pygal to plot the configuration of some basic parameters

preface The process of drawing with pygal is to create an empty canvas, and then add data to the canvas. 1, Use pygal to plot the configuration of some basic parameters Design idea of the sample code: use pygal to draw a histogram of 2-5 pages of information about Douban top250, and input the data into chart.add('',data_lst)_ LST is th ...

Posted on Fri, 26 Nov 2021 17:16:09 -0500 by doucie

ECharts --- a very cool and easy-to-use chart library. I found myself writing in great detail. No wonder it took so long.

ECharts_study There are many libraries for rendering visual icons. Because of the needs of the project, I learned Echarts. The full name is Apache ECharts Many drawings will not be explained in detail in the basic preparation part, so beginners must see the basic preparation part Besides, there are a lot of charts, Official website Wha ...

Posted on Wed, 24 Nov 2021 16:28:08 -0500 by jervo

Echarts quick start line chart

Basic line chart Simple line chart If we want to create a line chart with category abscissa and value ordinate, we can use this method: option = { xAxis: { type: "category", data: ["a", "b", "c"], }, yAxis: { type: "value", }, series: [ { type: "line", data: [1, 2, 3], }, ], }; Just set the typ ...

Posted on Wed, 24 Nov 2021 08:39:47 -0500 by lavender

PyEcharts in-depth learning

1. Overview of pyecharts 1.1 import chart type Like the import method of other libraries, you must first import the required chart type at the beginning of the file before drawing. from pyecharts.charts import Bar Bar type is the English name of histogram / bar chart in pyEcharts. There are many commonly used chart types in py charts, ...

Posted on Mon, 22 Nov 2021 23:23:16 -0500 by tomash

The most complete synthesis of echarts visual charts

preface In the long development career of the front-end, I believe everyone will encounter all kinds of ecarts charts, so how to realize these ecarts charts? In fact, these operations can be realized through the official ecarts api in cooperation with vue. The following will explain in detail from installation to use and the configuration i ...

Posted on Wed, 17 Nov 2021 21:59:52 -0500 by phpScott

Java Basics (unfinished to be updated)

1, java overview 1.1 Java Language Overview Java is not only a high-level programming language, but also an object-oriented programming language. Java language is a high-level programming language launched by Sun Corporation (Stanford University Network) in 1995. James Gosling, one of the co founders of the Java language, is known as the f ...

Posted on Tue, 16 Nov 2021 19:54:41 -0500 by klevis miho

ECharts stepping pit -- > the chart size responds automatically according to the change of browser window

ECharts stepping pit -- > the chart size automatically responds to changes in the browser window preface Continued: ECharts step pit – > error in specifying chart container size Tip: the following is the main content of this article 1, Problems encountered When multiple ecarts charts are used in multiple tabs, it is ex ...

Posted on Thu, 11 Nov 2021 22:54:03 -0500 by warren

Analysis of matplotlib module for Python visualization

preface In the Internet era, a lot of data will be generated in the network every day. After data analysis, we need to visually display the data to better interpret the meaning behind the data. In data visualization, Python also supports third modules. matplotlib module: the most used visualization Library in Pythonseaborn module: graphic ...

Posted on Wed, 10 Nov 2021 10:26:19 -0500 by marcusb

Application of policy and state mode - when the tab is switched, the chart content changes (two to one)

Note: this blog does not talk about the principle. If you don't understand it, please supplement the relevant contents such as policy mode, state mode, closure, lazy evaluation, functional programming, etc 1, Effect 2, Why use policy and state patterns vue ordinary tab switching is very simple. You can do it with the following code. I'm af ...

Posted on Sun, 07 Nov 2021 17:04:48 -0500 by reecec

[19] Data visualization + crawler: a dynamic real-time large screen example based on Echarts + Python - bilibili li ranking

catalogue ❤️ Effect display ❤️ 1. First look at the dynamic rendering   2. Rich theme styles I   Determine the demand scheme 1. Determine the screen LED resolution for product online deployment 2. Deployment mode   2, Overall architecture design 3, Implementation of key coding for crawler acquisition 1. Determine crawler ...

Posted on Sun, 31 Oct 2021 22:11:06 -0400 by rane500