
This example is the same as Simple Bar Chart (2), except that XYChart.addBarLayer3 is used to add a multi-color bar layer instead of a regular bar layer.
ChartDirector 6.0 (Python Edition)
Multi-Color Bar Chart (1)
Source Code Listing
#!/usr/bin/python from pychartdir import * # The data for the bar chart data = [85, 156, 179, 211, 123, 189, 166] # The labels for the bar chart labels = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"] # The colors for the bars colors = [0x5588bb, 0x66bbbb, 0xaa6644, 0x99bb55, 0xee9944, 0x444466, 0xbb5555] # Create a XYChart object of size 600 x 400 pixels c = XYChart(600, 400) # Add a title box using grey (0x555555) 24pt Arial font c.addTitle("Multi-Color Bar Chart", "arial.ttf", 24, 0x555555) # Set the plotarea at (70, 60) and of size 500 x 300 pixels, with transparent background and border # and light grey (0xcccccc) horizontal grid lines c.setPlotArea(70, 60, 500, 300, Transparent, -1, Transparent, 0xcccccc) # Set the x and y axis stems to transparent and the label font to 12pt Arial c.xAxis().setColors(Transparent) c.yAxis().setColors(Transparent) c.xAxis().setLabelStyle("arial.ttf", 12) c.yAxis().setLabelStyle("arial.ttf", 12) # Add a multi-color bar chart layer with transparent border using the given data c.addBarLayer3(data, colors).setBorderColor(Transparent) # Set the labels on the x axis. c.xAxis().setLabels(labels) # For the automatic y-axis labels, set the minimum spacing to 40 pixels. c.yAxis().setTickDensity(40) # Add a title to the y axis using dark grey (0x555555) 14pt Arial font c.yAxis().setTitle("Y-Axis Title Placeholder", "arial.ttf", 14, 0x555555) # Output the chart c.makeChart("colorbar.png") |
#!/usr/bin/python from pychartdir import * # The data for the bar chart data = [85, 156, 179, 211, 123, 189, 166] # The labels for the bar chart labels = ["Mon", "Tue", "Wed", "Thu", "Fri", "Sat", "Sun"] # The colors for the bars colors = [0x5588bb, 0x66bbbb, 0xaa6644, 0x99bb55, 0xee9944, 0x444466, 0xbb5555] # Create a XYChart object of size 600 x 400 pixels c = XYChart(600, 400) # Add a title box using grey (0x555555) 24pt Arial font c.addTitle("Multi-Color Bar Chart", "arial.ttf", 24, 0x555555) # Set the plotarea at (70, 60) and of size 500 x 300 pixels, with transparent background and border # and light grey (0xcccccc) horizontal grid lines c.setPlotArea(70, 60, 500, 300, Transparent, -1, Transparent, 0xcccccc) # Set the x and y axis stems to transparent and the label font to 12pt Arial c.xAxis().setColors(Transparent) c.yAxis().setColors(Transparent) c.xAxis().setLabelStyle("arial.ttf", 12) c.yAxis().setLabelStyle("arial.ttf", 12) # Add a multi-color bar chart layer with transparent border using the given data c.addBarLayer3(data, colors).setBorderColor(Transparent) # Set the labels on the x axis. c.xAxis().setLabels(labels) # For the automatic y-axis labels, set the minimum spacing to 40 pixels. c.yAxis().setTickDensity(40) # Add a title to the y axis using dark grey (0x555555) 14pt Arial font c.yAxis().setTitle("Y-Axis Title Placeholder", "arial.ttf", 14, 0x555555) # Output the chart print("Content-type: image/png\n") binaryPrint(c.makeChart2(PNG)) |