ChartDirector 6.0 (Python Edition)

Simple Bar Chart (1)




This example demonstrates the basic steps in creating bar charts.

Source Code Listing

[Standalone Version] pythondemo\simplebar.py
#!/usr/bin/python
from pychartdir import *

# The data for the bar chart
data = [85, 156, 179.5, 211, 123]

# The labels for the bar chart
labels = ["Mon", "Tue", "Wed", "Thu", "Fri"]

# Create a XYChart object of size 250 x 250 pixels
c = XYChart(250, 250)

# Set the plotarea at (30, 20) and of size 200 x 200 pixels
c.setPlotArea(30, 20, 200, 200)

# Add a bar chart layer using the given data
c.addBarLayer(data)

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

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

[CGI Version] pythondemo_cgi\simplebar.py
#!/usr/bin/python
from pychartdir import *

# The data for the bar chart
data = [85, 156, 179.5, 211, 123]

# The labels for the bar chart
labels = ["Mon", "Tue", "Wed", "Thu", "Fri"]

# Create a XYChart object of size 250 x 250 pixels
c = XYChart(250, 250)

# Set the plotarea at (30, 20) and of size 200 x 200 pixels
c.setPlotArea(30, 20, 200, 200)

# Add a bar chart layer using the given data
c.addBarLayer(data)

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

# Output the chart
print("Content-type: image/png\n")
binaryPrint(c.makeChart2(PNG))