how to draw bar chart in python

Python + matplotlib: code for drawing a 3D bar chart instance, pythonmatplotlib The example shared in this article mainly implements Python + matplotlib to draw a 3D bar chart with sha

Python processes JSON data and generates a bar chart, pythonjson I. JSON data preparation First, prepare a piece of JSON data. There are a total of 3560 pieces of data. The structure of each piece of content is as follows: This example mainly analyzes the distribution of time zones in the Field tz (timezone. 2. Convert JSON data into a

Python + matplotlib implement the example code of the Box Bar Chart, pythonmatplotlib Demo result: Complete code: import matplotlib.pyplot as pltimport numpy as npfrom matplotlib.image import BboxImagefrom matplotlib._png import read_pngimport matplotlib.colorsfrom matplotlib.cbook import get_sample_dataclass RibbonBox(object): original_image = read_png(get_sam

First, JSON data preparation First, prepare a JSON data, a total of 3,560 items, each with the following structure: This example analyzes the distribution of time zones in this data using the values of the TZ (TimeZone time zone) field. Ii. convert JSON data to Python dictionary The code is as follows: statistical TZ value Distribution, generate statistical results in the form of "time zone: Total" To achieve this, it is necessary to convert recor

PRS = Presentation (' 2017 North section of the first stage of satisfaction survey report v.7.0 reporting. pptx ')SLIDE=PRS.SLIDES[8]For shape in Slide.shapes: If not shape.has_chart: Continue Else Chart = Shape.chartChart_data = ChartData ()Chart_data.categories = [' East ', ' West ']Chart_data.add_series (' Beijing ', (19.2, 21.4))Chart_data.add_series (' Shanghai ', (22.3, 28.6))Chart_data.add_series (' Tianjin ', (20.4, 26.3))C

canvas are no longer useful. For the sake of saving system resources, it is necessary to clear all the memory resources occupied by the canvas in time. In PHP, use GD to draw a line chart with the following code: Class chart{private $image;//define image private $title;//define title private $ydata;//define y-axis data private $xdata;//define x-axis data priv

Public placeholder placeholder1; // controls for displaying images The category names of each image are as follows: Picturetype Graphic Type 5 chcharttypebarclustered clustered bar chart 0 null Picturetype Graphic Type 7 chcharttypebarclustered3d 3D clustered bar chart 0 null Picturetype Graphic Type 6 chcharttypebarst

Android custom Statistical Chart (bar chart, line chart, pie chart) Recently, due to project requirements, I have studied some statistical charts. At the beginning, I read many blog posts, most of which reference third-party libraries. Although simple, Easy to use, but the f

GRaphaelIs designed to help developers draw a variety of exquisite charts on the web page.JavascriptLibrary, based on powerfulRaphaelVector Graphics Library. You only need to write several lines of simple code to create exquisite bar charts, pie charts, point charts, and graphs. GRaphaelUse the SVG W3C recommendation standard andVMLAs the basis for creating images, it is a cross-browser vector graphics libr

GRaphaelIs designed to help developers draw a variety of exquisite charts on the web page.JavascriptLibrary, based on powerfulRaphaelVector Graphics Library. You only need to write several lines of simple code to create exquisite bar charts, pie charts, point charts, and graphs. GRaphaelUse the SVG W3C recommendation standard andVMLAs the basis for creating images, it is a cross-browser vector graphics libr

= color. Brown;Break;Case 6: Default:Objcolor = color. blue;Break;} Return objcolor;} # Code generated by region web Form DesignerOverride protected void oninit (eventargs E){//// Codegen: This call is required by the ASP. NET web form designer.//Initializecomponent ();Base. oninit (E );} ////// The designer supports the required methods-do not use the code editor to modify/// Content of this method.///Private void initializecomponent (){This. Load + = new system. eventhandler (this. pag

In the previous article, we described how to use the chart control provided by Silverlight Toolkit to draw a columnar chart (Column,bar), which will continue today With the code created above, we can make the histogram appear to be pie, line, or scatter with little modification. Well, start today's text. First, we'r

First, Introduction:1, draw the data chart, with it, want to draw a line on the page, bar chart, from this easy.2, the use of this Baidu Echarts.js plug-in, is to draw pictures on the canvas on the display on the page.Echarts's in

Use the column chart implemented by GD in PHP and phpgd to implement the column chart. In PHP, the column chart implemented by GD is used, and in phpgd is used to implement the column chart implemented by GD in PHP. you can write a class to draw the column

[ExtJs] bar chart, changing the color of each column, extjs bar chart The column chart of ExtJs is almost the same as that of [ExtJs] line chart (click to open the link). The difficulty lies in the color of each column. ExtJs does

A wide variety of statistical graphics, there are columnar, line chart, fan-shaped graphs and so on, and statistical graphics to draw a lot of methods, there are flash production of statistical graphics, Crystal Report to generate statistical graphics, there are specialized graphics software production, but also programming language produced by themselves; Here we use the C # three most classic Statistical

Use GD to draw a pie chart and gd to draw a pie chart. Use GD to draw a pie chart in PHP and gd to draw a pie chart in PHP. for the class to

The following is an example of html5 bar chart generation (bar chart. I think it is quite good. Now I will share it with you and give you a reference. Let's take a look at it with xiaobian. Example code for generating bar chart (

A burst on the forum to see a brother, want to set the 3D effect in the flex chart for the legend, in recent days to find some information, hands-on a demo for everyone to reference!Demo Demo Address http://xingjunli.webs.com/flash/flexChartDemo.swf, first take a look at the final effect: Related knowledge points1, the use of the chart I will not do more introduction, online also a lot of official also have

In In the past, when using PHP to plot images, you must master complex abstract drawing functions, or use some classes of bar chart and pie chart downloaded from the Internet. There is no unified chart class for quick chart development. Now we have a new option: PHP