ChartDirector 7.0 (Python Edition)

Bar Gap


          

This example demonstrates the effects of different bar gaps configured using BarLayer.setBarGap.

Source Code Listing

pythondemo\gapbar.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 * def createChart(chartIndex) : bargap = chartIndex * 0.25 - 0.25 # The data for the bar chart data = [100, 125, 245, 147, 67] # The labels for the bar chart labels = ["Mon", "Tue", "Wed", "Thu", "Fri"] # Create a XYChart object of size 150 x 150 pixels c = XYChart(150, 150) # Set the plotarea at (27, 20) and of size 120 x 100 pixels c.setPlotArea(27, 20, 120, 100) # Set the labels on the x axis c.xAxis().setLabels(labels) if bargap >= 0 : # Add a title to display to bar gap using 8pt Arial font c.addTitle(" Bar Gap = %s" % (bargap), "Arial", 8) else : # Use negative value to mean TouchBar c.addTitle(" Bar Gap = TouchBar", "Arial", 8) bargap = TouchBar # Add a bar chart layer using the given data and set the bar gap c.addBarLayer(data).setBarGap(bargap) # Output the chart c.makeChart("gapbar%s.png" % chartIndex) createChart(0) createChart(1) createChart(2) createChart(3) createChart(4) createChart(5)