Multiple Axes

pythondemo\multiaxes.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 *

# Data for the chart
data0 = [1700, 3900, 2900, 3800, 4100, 4600, 2900, 4100, 4400, 5700, 5900, 5200, 3700, 3400, 5100,
    5600, 5600, 6000, 7000, 7600, 6300, 6700, 7500, 6400, 8800]
data1 = [500, 550, 670, 990, 820, 730, 800, 720, 730, 790, 860, 800, 840, 680, 740, 890, 680, 790,
    730, 770, 840, 820, 800, 840, 670]
data2 = [46, 68, 35, 33, 38, 20, 12, 18, 15, 23, 30, 24, 28, 15, 21, 26, 46, 42, 38, 25, 23, 32, 24,
    20, 25]
data3 = [0.84, 0.82, 0.82, 0.38, 0.25, 0.52, 0.54, 0.52, 0.38, 0.51, 0.46, 0.29, 0.5, 0.55, 0.47,
    0.34, 0.52, 0.33, 0.21, 0.3, 0.25, 0.15, 0.18, 0.22, 0.14]

# Labels for the chart
labels = ["0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "10", "11", "12", "13", "14", "15",
    "16", "17", "18", "19", "20", "21", "22", "23", "24"]

# Create a XYChart object of size 600 x 360 pixels. Use a vertical gradient color from sky blue
# (aaccff) to white (ffffff) as background. Set border to grey (888888). Use rounded corners. Enable
# soft drop shadow.
c = XYChart(600, 360)
c.setBackground(c.linearGradientColor(0, 0, 0, c.getHeight(), 0xaaccff, 0xffffff), 0x888888)
c.setRoundedFrame()
c.setDropShadow()

# Add a title box to the chart using 15pt Arial Bold Italic font. Set top margin to 16 pixels.
title = c.addTitle("Multiple Axes Demonstration", "Arial Bold Italic", 15)
title.setMargin2(0, 0, 16, 0)

# Set the plotarea at (100, 80) and of size 400 x 230 pixels, with white (ffffff) background. Use
# grey #(aaaaa) dotted lines for both horizontal and vertical grid lines.
c.setPlotArea(100, 80, 400, 230, 0xffffff, -1, -1, c.dashLineColor(0xaaaaaa, DotLine), -1)

# Add a legend box with the bottom center anchored at (300, 80) (top center of the plot area). Use
# horizontal layout, and 8 points Arial Bold font. Set background and border to transparent.
legendBox = c.addLegend(300, 80, 0, "Arial Bold", 8)
legendBox.setAlignment(BottomCenter)
legendBox.setBackground(Transparent, Transparent)

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

# Display 1 out of 3 labels on the x-axis.
c.xAxis().setLabelStep(3)

# Add a title to the x-axis
c.xAxis().setTitle("Hour of Day")

# Add a title on top of the primary (left) y axis.
c.yAxis().setTitle("Power\n(Watt)").setAlignment(TopLeft2)
# Set the axis, label and title colors for the primary y axis to red (c00000) to match the first
# data set
c.yAxis().setColors(0xcc0000, 0xcc0000, 0xcc0000)

# Add a title on top of the secondary (right) y axis.
c.yAxis2().setTitle("Load\n(Mbps)").setAlignment(TopRight2)
# Set the axis, label and title colors for the secondary y axis to green (00800000) to match the
# second data set
c.yAxis2().setColors(0x008000, 0x008000, 0x008000)

# Add the third y-axis at 50 pixels to the left of the plot area
leftAxis = c.addAxis(Left, 50)
# Add a title on top of the third y axis.
leftAxis.setTitle("Temp\n(C)").setAlignment(TopLeft2)
# Set the axis, label and title colors for the third y axis to blue (0000cc) to match the third data
# set
leftAxis.setColors(0x0000cc, 0x0000cc, 0x0000cc)

# Add the fouth y-axis at 50 pixels to the right of the plot area
rightAxis = c.addAxis(Right, 50)
# Add a title on top of the fourth y axis.
rightAxis.setTitle("Error\n(%)").setAlignment(TopRight2)
# Set the axis, label and title colors for the fourth y axis to purple (880088) to match the fourth
# data set
rightAxis.setColors(0x880088, 0x880088, 0x880088)

# Add a line layer to for the first data set using red (c00000) color, with a line width of 2 pixels
layer0 = c.addLineLayer(data0, 0xcc0000, "Power")
layer0.setLineWidth(2)

# Add a line layer to for the second data set using green (00c0000) color, with a line width of 2
# pixels. Bind the layer to the secondary y-axis.
layer1 = c.addLineLayer(data1, 0x008000, "Load")
layer1.setLineWidth(2)
layer1.setUseYAxis2()

# Add a line layer to for the third data set using blue (0000cc) color, with a line width of 2
# pixels. Bind the layer to the third y-axis.
layer2 = c.addLineLayer(data2, 0x0000cc, "Temperature")
layer2.setLineWidth(2)
layer2.setUseYAxis(leftAxis)

# Add a line layer to for the fourth data set using purple (880088) color, with a line width of 2
# pixels. Bind the layer to the fourth y-axis.
layer3 = c.addLineLayer(data3, 0x880088, "Error Rate")
layer3.setLineWidth(2)
layer3.setUseYAxis(rightAxis)

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