Scatter Chart

pythondemo\scatter.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 XY points for the scatter chart
dataX0 = [10, 15, 6, 12, 14, 8, 13, 13, 16, 12, 10.5]
dataY0 = [130, 150, 80, 110, 110, 105, 130, 115, 170, 125, 125]

dataX1 = [6, 12, 4, 3.5, 7, 8, 9, 10, 12, 11, 8]
dataY1 = [65, 80, 40, 45, 70, 80, 80, 90, 100, 105, 60]

# 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 12pt Times Bold Italic
# font. Set the background and border color to Transparent.
c.addLegend(50, 30, 0, "Times New Roman Bold Italic", 12).setBackground(Transparent)

# Add a title to the chart using 18pt Times Bold Itatic font.
c.addTitle("Genetically Modified Predator", "Times New Roman Bold Italic", 18)

# Add a title to the y axis using 12pt Arial Bold Italic font
c.yAxis().setTitle("Length (cm)", "Arial Bold Italic", 12)

# Add a title to the x axis using 12pt Arial Bold Italic font
c.xAxis().setTitle("Weight (kg)", "Arial Bold Italic", 12)

# Set the axes line width to 3 pixels
c.xAxis().setWidth(3)
c.yAxis().setWidth(3)

# Add an orange (0xff9933) scatter chart layer, using 13 pixel diamonds as symbols
c.addScatterLayer(dataX0, dataY0, "Genetically Engineered", DiamondSymbol, 13, 0xff9933)

# Add a green (0x33ff33) scatter chart layer, using 11 pixel triangles as symbols
c.addScatterLayer(dataX1, dataY1, "Natural", TriangleSymbol, 11, 0x33ff33)

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