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AChartEngine and JFreeChart use open chart production class libraries written in Java. The former is applied on android, and the latter can also be mainly applied on java se or java ee. AChartEngine is an open-source project developed by Google.
2. Implement PieChart using AChartEngine
The pie chart is encapsulated here. You only need to prepare the data to impl
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
Development and Application of pie chart and pie chart VCL Components
Http://www.delphi2007.net/DelphiVCL/html/delphi_20061222091536202.html
I have a table.
BH XM CJ
A
A
C
C
B
B
I
I
The values in the CJ field are not fixed types (in 4-13 cases), but the values of the same types are always the same.
As shown in figure 4
Some people say that Excel is powerful, but 80% of users use only 20% of its functionality, while the rest of the 80% feature is used by only 20% people. This is true, the VBA programming in Excel and the use of many functions, most users are unfamiliar, and some have never even contacted, even if the graph function, many users contact is not much. But there are some problems, not that our work doesn't need to be, but that we need to be more familiar with the way we use Excel, such as
Piechart (). Getchartpanel ()); Add pie chart
frame.add (new Timeserieschart (). Getchartpanel ()); Add Line chart
frame.setbounds (m, M, N);
Frame.setvisible (True);
}
Five, summary
Above all is a simple example to realize, want to understand deeper students can query data, in fact, the above cod
each part. For example: explode = [0.2,], the second pie block is dragged out. Labels: List. An optional parameter. The default value is None. A string sequence is used as a marker for each pie block. Colors: array. An optional parameter. The default value is None. The matplotlib color parameter sequence used to mark each pi
, the following:But when we change the data in the private static categorydataset getdataset () {} method, there is another effect, Let's say we change to:private static Categorydataset GetDataSet () { Defaultcategorydataset DataSet = new Defaultcategorydataset (); Dataset.addvalue (100, "Apple", "Apple"); Dataset.addvalue (200, "Pears", "pears"); Dataset.addvalue (300, "grape", "grape"); Dataset.addvalue (400, "banana", "banana");
, the following:But when we change the data in the private static categorydataset getdataset () {} method, there is another effect, Let's say we change to:private static Categorydataset GetDataSet () { Defaultcategorydataset DataSet = new Defaultcategorydataset (); Dataset.addvalue (100, "Apple", "Apple"); Dataset.addvalue (200, "Pears", "pears"); Dataset.addvalue (300, "grape", "grape"); Dataset.addvalue (400, "banana", "banana");
, the following:But when we change the data in the private static categorydataset getdataset () {} method, there is another effect, Let's say we change to:private static Categorydataset GetDataSet () { Defaultcategorydataset DataSet = new Defaultcategorydataset (); Dataset.addvalue (100, "Apple", "Apple"); Dataset.addvalue (200, "Pears", "pears"); Dataset.addvalue (300, "grape", "grape"); Dataset.addvalue (400, "banana", "banana");
= color. Brown;Break;Case 6:
Default:Objcolor = color. blue;Break;}
Return objcolor;}
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content.Markpoint:Plot points, including the maximum small value, and the inflection pointMarkline:Draw a line, mean lineSplitline:falseSplit LineGrid: Setting up gridsGrid: {borderwidth:0,/* border=0 on both sides */x: ' 55px ',/* Change the size of the line chart by modifying the xy x2 y2 */Y: ' 25px ',X2: ' 20px ',Y2: ' 20px ',},Trigger:item/axis/* Triggers the style displayed by the Cue box */ToolTip: {Trigger: ' Item '},ItemStyle:/* To set the i
Pie chart | Line Chart | Column chart
This article will introduce you to the. NET how to use code drawing tables, just as you would with a chart generated in MS Excel. You can also sketch a DataGrid-like table.In NET, Microsoft has provided us with the drawing Class (System.
PHP uses jpgraph to draw a pie chart, phpjpgraph the pie
This example describes how PHP uses Jpgraph to draw a pie chart. Share to everyone for your reference. The implementation method is as follows:
The results are as follows:
Java (Jfreechart) Implementation of a variety of data statistics (column chart, pie chart, line chart) "Original address: http://blog.csdn.net/pzhtpf/article/details/7600100"
Recently in the course of data mining design, need to analyze the results of the data is very intuitive to the user, this will need to use the d
For a project, I found a jfreechart on the Internet to form a pie chart, column chart, and so on.
1. Introduction to jfreechart
Jfreechart is an open-source Java project. It is mainly used to develop various charts, including pie charts, bar charts (common bar charts and stack bar charts), line
This paper is an example of how to implement the pie chart line chart of C # drawing, which is a very practical technique in C # programming. Share to everyone for your reference. The specific methods are analyzed as follows:The control that displays the image is defined as follows:Public PlaceHolder PlaceHolder1;The c
Html5: generate a pie chart and html5: generate a Statistical Chart
Here we will introduce a jQuery plug-in: jquery. easysector. js
Html5 provides a powerful drawing API that allows us to easily draw various images using javascript. This article describes how to use HTML5 to draw a pie
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