ChartDirector Ver 3.0 (Python Edition)

Pie Chart with Legend




This example demonstrates the following ChartDirector features:

Source Code Listing

[File: pythondemo/legendpie.py] (The CGI version is available as "pythondemo_cgi/legendpie.py".)
#!/usr/bin/python from pychartdir import * #The data for the pie chart data = [25, 18, 15, 12, 8, 30, 35] #The labels for the pie chart labels = ["Labor", "Licenses", "Taxes", "Legal", "Insurance", "Facilities", "Production"] #Create a PieChart object of size 450 x 240 pixels c = PieChart(450, 240) #Set the center of the pie at (150, 100) and the radius to 80 pixels c.setPieSize(150, 100, 80) #Add a title at the bottom of the chart using Arial Bold Italic font c.addTitle2(Bottom, "Project Cost Breakdown", "arialbi.ttf") #Draw the pie in 3D c.set3D() #add a legend box where the top left corner is at (330, 40) c.addLegend(330, 40) #modify the label format for the sectors to $nnnK (pp.pp%) c.setLabelFormat("{label} ${value}K\n({percent}%)") #Set the pie data and the pie labels c.setData(data, labels) #Explode the 1st sector (index = 0) c.setExplode(0) #output the chart c.makeChart("legendpie.png")