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Required plugins for this example: MBS ChartDirector Plugin
You find this example project in your Plugins Download as a Xojo project file within the examples folder: /ChartDirector/bubble
This example is the version from Sun, 17th Mar 2012.
Project "bubble.xojo_binary_project"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
End Class
Class PicWindow Inherits Window
EventHandler Sub Open() // The XYZ points for the bubble chart dim dataX0(-1) as double = array(150, 300, 1000, 1700.0) dim dataY0(-1) as double = array(12, 60, 25, 65.0) dim dataZ0(-1) as double = array(20, 50, 50, 85.0) dim dataX1(-1) as double = array(500, 1000, 1300.0) dim dataY1(-1) as double = array(35, 50, 75.0) dim dataZ1(-1) as double = array(30, 55, 95.0) // Create a XYChart object of size 450 x 420 pixels dim c as new CDXYChartMBS(450, 420) // Set the plotarea at (55, 65) and of size 350 x 300 pixels, with a light grey // border (&hc0c0c0). Turn on both horizontal and vertical grid lines with light // grey color (&hc0c0c0) call c.setPlotArea(55, 65, 350, 300, -1, -1, &hc0c0c0, &hc0c0c0, -1) // Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 12 // pts Times Bold Italic font. Set the background and border color to // Transparent. call c.addLegend(50, 30, false, "timesbi.ttf", 12).setBackground(CDXYChartMBS.kTransparent) // Add a title to the chart using 18 pts Times Bold Itatic font. call c.addTitle("Product Comparison Chart", "timesbi.ttf", 18) // Add a title to the y axis using 12 pts Arial Bold Italic font call c.yAxis.setTitle("Capacity (tons)", "arialbi.ttf", 12) // Add a title to the x axis using 12 pts Arial Bold Italic font call 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 semi-transparent red (&h80ff3333) // circle symbols, where the circle size is modulated by dataZ0. This creates a // bubble effect. c.addScatterLayer(dataX0, dataY0, "Technology AAA", c.kCircleSymbol, 9, &h80FF3333, &h80FF3333).setSymbolScale(dataZ0) // Add (dataX1, dataY1) as a scatter layer with semi-transparent green // (&h803333ff) circle symbols, where the circle size is modulated by dataZ1. // This creates a bubble effect. c.addScatterLayer(dataX1, dataY1, "Technology BBB", c.kCircleSymbol, 9, &h803333FF, &h803333FF).setSymbolScale(dataZ1) // Output the chart Backdrop=c.makeChartPicture End EventHandler
End Class
MenuBar MenuBar1
MenuItem FileMenu = "&Ablage"
MenuItem FileQuit = "#App.kFileQuit"
MenuItem EditMenu = "&Bearbeiten"
MenuItem EditUndo = "&Rückgängig"
MenuItem UntitledMenu1 = "-"
MenuItem EditCut = "&Ausschneiden"
MenuItem EditCopy = "&Kopieren"
MenuItem EditPaste = "&Einfügen"
MenuItem EditClear = "#App.kEditClear"
MenuItem UntitledMenu0 = "-"
MenuItem EditSelectAll = "&Alles auswählen"
End MenuBar
End Project

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