This example illustrates setting an axis to log scale using
Axis.setLogScale3.
[File: pythondemo/logaxis.py] (The CGI version is available as "pythondemo_cgi/logaxis.py".)
#!/usr/bin/python
from pychartdir import *
def createChart(img) :
#The data for the chart
data = [100, 125, 260, 147, 67]
labels = ["Mon", "Tue", "Wed", "Thu", "Fri"]
#Create a XYChart object of size 200 x 180 pixels
c = XYChart(200, 180)
#Set the plot area at (30, 10) and of size 140 x 130 pixels
c.setPlotArea(30, 10, 140, 130)
#Ise log scale axis if required
if img == "1" :
c.yAxis().setLogScale3()
#Set the labels on the x axis
c.xAxis().setLabels(labels)
#Add a color bar layer using the given data. Use a 1 pixel 3D border for the
#bars.
c.addBarLayer3(data).setBorderColor(-1, 1)
#output the chart
c.makeChart("logaxis%s.png" % img)
createChart("0")
createChart("1")
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