ChartDirector 5.1 (Python Edition)

Simple Pyramid Chart




This example demonstrates the basic steps in creating pyramid charts.

Source Code Listing

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

# The data for the pyramid chart
data = [156, 123, 211, 179]

# The labels for the pyramid chart
labels = ["Funds", "Bonds", "Stocks", "Cash"]

# Create a PyramidChart object of size 360 x 360 pixels
c = PyramidChart(360, 360)

# Set the pyramid center at (180, 180), and width x height to 150 x 180 pixels
c.setPyramidSize(180, 180, 150, 300)

# Set the pyramid data and labels
c.setData(data, labels)

# Add labels at the center of the pyramid layers using Arial Bold font. The labels
# will have two lines showing the layer name and percentage.
c.setCenterLabel("{label}\n{percent}%", "arialbd.ttf")

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

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

# The data for the pyramid chart
data = [156, 123, 211, 179]

# The labels for the pyramid chart
labels = ["Funds", "Bonds", "Stocks", "Cash"]

# Create a PyramidChart object of size 360 x 360 pixels
c = PyramidChart(360, 360)

# Set the pyramid center at (180, 180), and width x height to 150 x 180 pixels
c.setPyramidSize(180, 180, 150, 300)

# Set the pyramid data and labels
c.setData(data, labels)

# Add labels at the center of the pyramid layers using Arial Bold font. The labels
# will have two lines showing the layer name and percentage.
c.setCenterLabel("{label}\n{percent}%", "arialbd.ttf")

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