Multi-Shape Bar Chart

pythondemo\multishapebar.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 bar chart
data0 = [100, 125, 245, 147]
data1 = [85, 156, 179, 211]
data2 = [97, 87, 56, 267]
labels = ["1st Quarter", "2nd Quarter", "3rd Quarter", "4th Quarter"]

# Create a XYChart object of size 600 x 350 pixels
c = XYChart(600, 350)

# Add a title to the chart using 14pt Arial Bold Italic font
c.addTitle("Annual Product Revenue", "Arial Bold Italic", 14)

# Set the plot area at (50, 60) and of size 500 x 240. Use two alternative background colors (f8f8f8
# and ffffff)
c.setPlotArea(50, 60, 500, 240, 0xf8f8f8, 0xffffff)

# Add a legend box at (55, 22) using horizontal layout, with transparent background
c.addLegend(55, 22, 0).setBackground(Transparent)

# Set the x axis labels
c.xAxis().setLabels(labels)

# Draw the ticks between label positions (instead of at label positions)
c.xAxis().setTickOffset(0.5)

# Add a multi-bar layer with 3 data sets and 9 pixels 3D depth
layer = c.addBarLayer2(Side, 9)
layer.addDataSet(data0, -1, "Product A")
layer.addDataSet(data1, -1, "Product B")
layer.addDataSet(data2, -1, "Product C")

# Set data set 1 to use a bar shape of a 6-pointed star
layer.setBarShape(StarShape(6), 0)

# Set data set 2 to use a bar shapre of a 6-sided polygon
layer.setBarShape(PolygonShape(6), 1)

# Set data set 3 to use an X bar shape
layer.setBarShape(Cross2Shape(), 2)

# Add a title to the y-axis
c.yAxis().setTitle("Revenue (USD in millions)")

# Add a title to the x axis
c.xAxis().setTitle("Year 2005")

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