ChartDirector 7.0 (Python Edition)

Funnel Chart




This example demonstrates using PyramidChart.setFunnelSize to specify using a funnel instead of a pyramid to represent the data.

Source Code Listing

pythondemo\funnel.py
#!/usr/bin/python # The ChartDirector for Python module is assumed to be in "../lib" import sys, os sys.path.insert(0, os.path.join(os.path.abspath(sys.path[0]), "..", "lib")) from pychartdir import * # The data for the pyramid chart data = [156, 123, 211, 179] # The labels for the pyramid chart labels = ["Corporate Tax", "Working Capital", "Re-investment", "Dividend"] # The colors for the pyramid layers colors = [0x66aaee, 0xeebb22, 0xcccccc, 0xcc88ff] # Create a PyramidChart object of size 500 x 400 pixels c = PyramidChart(500, 400) # Set the funnel center at (200, 210), and width x height to 150 x 300 pixels c.setFunnelSize(200, 210, 150, 300) # Set the elevation to 5 degrees c.setViewAngle(5) # Set the pyramid data and labels c.setData(data, labels) # Set the layer colors to the given colors c.setColors2(DataColor, colors) # Leave 1% gaps between layers c.setLayerGap(0.01) # Add labels at the right side of the pyramid layers using Arial Bold font. The labels will have 3 # lines showing the layer name, value and percentage. c.setRightLabel("{label}\nUS ${value}K\n({percent}%)", "Arial Bold") # Output the chart c.makeChart("funnel.png")