ChartDirector Ver 3.0 (Python Edition)

Multi-Depth Pie Chart




This example demonstrates using PieChart.set3D2 to create a 3D pie chart where sectors have different 3D heights.

Source Code Listing

[File: pythondemo/multidepthpie.py] (The CGI version is available as "pythondemo_cgi/multidepthpie.py".)
#!/usr/bin/python from pychartdir import * #The data for the pie chart data = [72, 18, 15, 12] #The labels for the pie chart labels = ["Labor", "Machinery", "Facilities", "Computers"] #The depths for the sectors depths = [30, 20, 10, 10] #Create a PieChart object of size 360 x 300 pixels, with a light blue (0xccccff) #background and a 1 pixel 3D border c = PieChart(360, 300, 0xccccff, -1, 1) #Set the center of the pie at (180, 175) and the radius to 100 pixels c.setPieSize(180, 175, 100) #Add a title box using Times Bold Italic/14 points as font and 0x9999ff as #background color c.addTitle("Project Cost Breakdown", "timesbi.ttf", 14).setBackground(0x9999ff) #Set the pie data and the pie labels c.setData(data, labels) #Draw the pie in 3D c.set3D2(depths) #Set the start angle to 225 degrees may improve layout when the depths of the #sector are sorted in descending order, because it ensures the tallest sector is #at the back. c.setStartAngle(225) #output the chart c.makeChart("multidepthpie.png")