ChartDirector Ver 3.0 (Python Edition)

Simple Line Chart




This example demonstrates the following basic steps in creating line chart:

Source Code Listing

[File: pythondemo/simpleline.py] (The CGI version is available as "pythondemo_cgi/simpleline.py".)
#!/usr/bin/python from pychartdir import * #The data for the line chart data = [30, 28, 40, 55, 75, 68, 54, 60, 50, 62, 75, 65, 75, 91, 60, 55, 53, 35, 50, 66, 56, 48, 52, 65, 62] #The labels for the line chart labels = ["0", "", "", "3", "", "", "6", "", "", "9", "", "", "12", "", "", "15", "", "", "18", "", "", "21", "", "", "24"] #Create a XYChart object of size 250 x 250 pixels c = XYChart(250, 250) #Set the plotarea at (30, 20) and of size 200 x 200 pixels c.setPlotArea(30, 20, 200, 200) #Add a line chart layer using the given data c.addLineLayer(data) #Set the x axis labels using the given labels c.xAxis().setLabels(labels) #output the chart c.makeChart("simpleline.png")