Stacked Radar Chart

pythondemo\stackradar.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 chart
data0 = [100, 100, 100, 100, 100]
data1 = [90, 85, 85, 80, 70]
data2 = [80, 65, 65, 75, 45]

# The labels for the chart
labels = ["Population<*br*><*font=Arial*>6 millions", "GDP<*br*><*font=Arial*>120 billions",
    "Export<*br*><*font=Arial*>25 billions", "Import<*br*><*font=Arial*>24 billions",
    "Investments<*br*><*font=Arial*>20 billions"]

# Create a PolarChart object of size 480 x 460 pixels. Set background color to silver, with 1 pixel
# 3D border effect
c = PolarChart(480, 460, silverColor(), 0x000000, 1)

# Add a title to the chart using 15pt Times Bold Italic font. The title text is white (ffffff) on a
# deep green (008000) background
c.addTitle("Economic Growth", "Times New Roman Bold Italic", 15, 0xffffff).setBackground(0x008000)

# Set plot area center at (240, 270), with 150 pixels radius
c.setPlotArea(240, 270, 150)

# Use 1 pixel width semi-transparent black (c0000000) lines as grid lines
c.setGridColor(0xc0000000, 1, 0xc0000000, 1)

# Add a legend box at top-center of plot area (240, 35) using horizontal layout. Use 10pt Arial Bold
# font, with silver background and 1 pixel 3D border effect.
b = c.addLegend(240, 35, 0, "Arial Bold", 10)
b.setAlignment(TopCenter)
b.setBackground(silverColor(), Transparent, 1)

# Add area layers of different colors to represent the data
c.addAreaLayer(data0, 0xcc8880, "Year 2004")
c.addAreaLayer(data1, 0xffd080, "Year 1994")
c.addAreaLayer(data2, 0xa0bce0, "Year 1984")

# Set the labels to the angular axis as spokes.
c.angularAxis().setLabels(labels)

# Set radial axis from 0 - 100 with a tick every 20 units
c.radialAxis().setLinearScale(0, 100, 20)

# Just show the radial axis as a grid line. Hide the axis labels by setting the label color to
# Transparent
c.radialAxis().setColors(0xc0000000, Transparent)

# Output the chart
c.makeChart("stackradar.png")