
This examples demonstrates a bubble chart using brighter glass spheres as bubbles.
ChartDirector Ver 5.0 (Python Edition)
3D Bubble Chart (2)
Source Code Listing
#!/usr/bin/python from pychartdir import * # The XYZ points for the bubble chart dataX0 = [170, 300, 1000, 1700] dataY0 = [16, 69, 16, 75] dataZ0 = [52, 105, 88, 140] dataX1 = [500, 1000, 1300] dataY1 = [40, 58, 85] dataZ1 = [140, 202, 84] # Create a XYChart object of size 540 x 480 pixels c = XYChart(540, 480) # Set the plotarea at (70, 65) and of size 400 x 350 pixels. Turn on both horizontal # and vertical grid lines with light grey color (0xc0c0c0) c.setPlotArea(70, 65, 400, 350, -1, -1, Transparent, '0xc0c0c0', -1) # Add a legend box at (70, 30) (top of the chart) with horizontal layout. Use 12 pts # Times Bold Italic font. Set the background and border color to Transparent. c.addLegend(70, 30, 0, "timesbi.ttf", 12).setBackground(Transparent) # Add a title to the chart using 18 pts Times Bold Itatic font. c.addTitle("Product Comparison Chart", "timesbi.ttf", 18) # Add titles to the axes using 12 pts Arial Bold Italic font c.yAxis().setTitle("Capacity (tons)", "arialbi.ttf", 12) c.xAxis().setTitle("Range (miles)", "arialbi.ttf", 12) # Set the axes line width to 3 pixels c.xAxis().setWidth(3) c.yAxis().setWidth(3) # Add (dataX0, dataY0) as a scatter layer with red (ff3333) glass spheres, where the # sphere size is modulated by dataZ0. This creates a bubble effect. c.addScatterLayer(dataX0, dataY0, "Technology AAA", GlassSphere2Shape, 15, '0xff3333' ).setSymbolScale(dataZ0) # Add (dataX1, dataY1) as a scatter layer with blue (0000ff) glass spheres, where the # sphere size is modulated by dataZ1. This creates a bubble effect. c.addScatterLayer(dataX1, dataY1, "Technology BBB", GlassSphere2Shape, 15, '0x0000ff' ).setSymbolScale(dataZ1) # Output the chart c.makeChart("threedbubble2.png") |
#!/usr/bin/python from pychartdir import * # The XYZ points for the bubble chart dataX0 = [170, 300, 1000, 1700] dataY0 = [16, 69, 16, 75] dataZ0 = [52, 105, 88, 140] dataX1 = [500, 1000, 1300] dataY1 = [40, 58, 85] dataZ1 = [140, 202, 84] # Create a XYChart object of size 540 x 480 pixels c = XYChart(540, 480) # Set the plotarea at (70, 65) and of size 400 x 350 pixels. Turn on both horizontal # and vertical grid lines with light grey color (0xc0c0c0) c.setPlotArea(70, 65, 400, 350, -1, -1, Transparent, '0xc0c0c0', -1) # Add a legend box at (70, 30) (top of the chart) with horizontal layout. Use 12 pts # Times Bold Italic font. Set the background and border color to Transparent. c.addLegend(70, 30, 0, "timesbi.ttf", 12).setBackground(Transparent) # Add a title to the chart using 18 pts Times Bold Itatic font. c.addTitle("Product Comparison Chart", "timesbi.ttf", 18) # Add titles to the axes using 12 pts Arial Bold Italic font c.yAxis().setTitle("Capacity (tons)", "arialbi.ttf", 12) c.xAxis().setTitle("Range (miles)", "arialbi.ttf", 12) # Set the axes line width to 3 pixels c.xAxis().setWidth(3) c.yAxis().setWidth(3) # Add (dataX0, dataY0) as a scatter layer with red (ff3333) glass spheres, where the # sphere size is modulated by dataZ0. This creates a bubble effect. c.addScatterLayer(dataX0, dataY0, "Technology AAA", GlassSphere2Shape, 15, '0xff3333' ).setSymbolScale(dataZ0) # Add (dataX1, dataY1) as a scatter layer with blue (0000ff) glass spheres, where the # sphere size is modulated by dataZ1. This creates a bubble effect. c.addScatterLayer(dataX1, dataY1, "Technology BBB", GlassSphere2Shape, 15, '0x0000ff' ).setSymbolScale(dataZ1) # Output the chart print("Content-type: image/png\n") binaryPrint(c.makeChart2(PNG)) |