Implementation example of a columnar topic chart
Http://bbs.esrichina-bj.cn/esri/viewthread.php? Tid = 7613// Obtain the layer ID of the topic...........Int layerid = 3;// Obtain the attribute name list of the topic graph analysis element.String [] fieldname = new string [2];Fieldname [0] = "pop1990 ";Fieldname [1] = "pop1999 ";
// Obtain the layer object (featurelayer) of the topic graph analysis)Agslocal
Pie chart generation class and example
The pie chart is automatically generated based on input parameters.
/*
* Generate pie slices
*/
Class PieChart {
Private $ center; // pie-shaped midpoint
Private $ width; // pie diameter
Private $ image; // graphic object
Function _ construct ($ width,
Example of vue. js + Echarts Development Chart zoom-in and zoom-out function, vue. jsecharts
Recently, I used echarts to develop the chart function of a system. I first stated that my previous ext. js and ext. js have their own set of components for the chart, which is also very convenient to use. However, because ext.
Simple Chart Example
It's easy to use Oh, that's it:
Building Objects with Server.CreateObject
Set chart Properties
Call the Savechart method to save to the hard disk or send directly with Response.BinaryWrite chart.image
The following code is a demonstration of how to create a column chart:
Ctbar = 1
Cnone = 0
Cgradie
Echarts Home: http://echarts.baidu.com/index.htmlEcharts-2.1.8:http://echarts.baidu.com/build/echarts-2.1.8.zipEcharts Official Example: http://echarts.baidu.com/doc/example.htmlEcharts Official API Document: Http://echarts.baidu.com/doc/doc.htmlEcharts Series-Histogram (bar chart) Example 11, project structurejs folder: After downloading the echarts, decompressi
HTML5 Canvas is an example of the cool big wave Progress Chart (with demo), html5canvas
This article introduces the HTML5 Canvas progress chart, which is as follows:
As you can see, this article is to achieve the above effect.
Recently, AlloyTouch wants to write a cool loading effect for pull-down and refresh. Therefore, the big wave progress
The applet chart plug-in (wx-charts) is drawn based on canvas. it is small in size and supports Chart chart types such as pie chart, line chart, column chart, and area chart, currently,
The following is an example of using html5 to draw a line chart. I think it is quite good. I will share it with you now. I would also like to give you a reference. Let's take a look at it with xiaobian.
Example code for creating a line chart using html5 _ html5 tutorial skills
Canvas> script (function
Example of using the GD library to create a round pie chart in PHP, GD round
In PHP, there are some simple image functions can be used directly, but most of the images to be processed, you need to compile PHP with the GD library. In addition to installing the GD library, additional libraries may be required in PHP, depending on which image format you need to support. GD Library can be downloaded in http://
This article mainly introduces the example of using the GD Library in PHP to create a circular pie chart. the code example provided in this article implements a sector statistical chart. For more information, see PHP, some simple image functions can be used directly, but most of the images to be processed need to be co
[DevExpress] ChartControl bar chart example, controlchart
Key code:
Using System; using System. data; using System. windows. forms; using CSharpUtilHelpV2; using DevExpress. xtraCharts; namespace DevExpressChart {public partial class winProduct: Form {public winProduct () {InitializeComponent ();} static readonly string AccessFullPath = string. format (@ "{0} \ Northwind. MDB ", AppDomain. currentDomain. b
Python xlsxwriter library to generate a chart application example, pythonxlsxwriter
There may not be many people using xlsxwriter, but after using it, you will feel that its function makes you sigh, except that you can generate the excel as required.
You can also add various images, such as bar charts, pie charts, and line charts.
Create an xlsx file and add data
Official documents: http://xlsxwriter.readth
create a necessary graph class instance that represents the entire chart and specifies what scale the x and Y axes should use. In the above example, the script call $graph->sety2scale (' ... ') is required because the second pump is used.
4, most charts need to adjust the left and right upper and lower margins, the setmargin function is this meaning. That is, $graph->setmargin ($left, $right, $top, $botto
Kendoui dashboard and bar chart example, kendoui dashboard
Speaking of kendeodui, I believe everyone is familiar with it. This js set has a good effect in drawing.
Now let's take a look at the effects of the dashboard and bar chart:
The html and js Code is as follows:
Related code download related code download http://download.csdn.net/detail/dz45693/76475
PHP bar chart generation code (imagefilledrectugle function example)
/**
* Use case of the php bar chart imagefilledrectugle function
* By bbs.it-home.org
*/
Function createImage ($ data, $ twidth, $ tspace, $ height ){
Header ("Content-Type: image/jpeg ");
$ Dataname = array ();
$ Dataval
Example of using the GD library in PHP to create a circular pie chart: gd circle
Some simple image functions can be directly used in PHP, but most of the images to be processed need to be added to the GD library during PHP compilation. In addition to installing the GD library, other libraries may be required in PHP, depending on the image formats supported. The GD library can be used in the library such as
Front desk:Remote meter reading equipment drop chart data var Store1 = new Ext.data.Store ({Background:public class Getcountchartgodatas extends HttpServlet {/** * @Fields serialversionuid: */private static final long serial Versionuid = 1l;/** * The Doget method of the servlet. Copyright notice: This article Bo Master original article. Blog, not reproduced without consent. ExtJS 4 Example of pie
JQuery plug-in HighCharts to draw a 2D pie chart with Legend effect example [with demo source code download], jqueryhighcharts
This article describes how to use the jQuery plug-in HighCharts to create a 2D pie chart with Legend. We will share this with you for your reference. The details are as follows:
1. instance code:
2. Run:
Appendix:Click here for the comp
Matplotlib's official website address: http://matplotlib.org/
When using Python to do data processing, a lot of the data we don't seem to be intuitive, and sometimes it's graphically shown that it's easier to observe the changing characteristics of the data, and so on.
Matplotlib is a Python 2D drawing library that generates publishing quality-level graphics in a variety of hard copy formats and cross-platform interactive environments. It provides a complete set of command APIs similar to MATLAB
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