#!/usr/bin/python
from pychartdir import *
# The XYZ points for the bubble chart
dataX0 = [150, 300, 1000, 1700]
dataY0 = [12, 60, 25, 65]
dataZ0 = [20, 50, 50, 85]
dataX1 = [500, 1000, 1300]
dataY1 = [35, 50, 75]
dataZ1 = [30, 55, 95]
# Create a XYChart object of size 450 x 420 pixels
c = XYChart(450, 420)
# Set the plotarea at (55, 65) and of size 350 x 300 pixels, with a light grey border
# (0xc0c0c0). Turn on both horizontal and vertical grid lines with light grey color
# (0xc0c0c0)
c.setPlotArea(55, 65, 350, 300, -1, -1, 0xc0c0c0, 0xc0c0c0, -1)
# Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12 pts
# Times Bold Italic font. Set the background and border color to Transparent.
c.addLegend(50, 30, 0, "timesbi.ttf", 12).setBackground(Transparent)
# Add a title to the chart using 18 pts Times Bold Itatic font.
c.addTitle("Product Comparison Chart", "timesbi.ttf", 18)
# Add a title to the y axis using 12 pts Arial Bold Italic font
c.yAxis().setTitle("Capacity (tons)", "arialbi.ttf", 12)
# Add a title to the x axis using 12 pts Arial Bold Italic font
c.xAxis().setTitle("Range (miles)", "arialbi.ttf", 12)
# Set the axes line width to 3 pixels
c.xAxis().setWidth(3)
c.yAxis().setWidth(3)
# Add (dataX0, dataY0) as a scatter layer with semi-transparent red (0x80ff3333)
# circle symbols, where the circle size is modulated by dataZ0. This creates a bubble
# effect.
c.addScatterLayer(dataX0, dataY0, "Technology AAA", CircleSymbol, 9, 0x80ff3333L,
0x80ff3333L).setSymbolScale(dataZ0)
# Add (dataX1, dataY1) as a scatter layer with semi-transparent green (0x803333ff)
# circle symbols, where the circle size is modulated by dataZ1. This creates a bubble
# effect.
c.addScatterLayer(dataX1, dataY1, "Technology BBB", CircleSymbol, 9, 0x803333ffL,
0x803333ffL).setSymbolScale(dataZ1)
# output the chart
c.makeChart("bubble.png") |