Platforms to show: All Mac Windows Linux Cross-Platform
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/confidenceband
This example is the version from Sun, 17th Mar 2012.
Project "confidenceband.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 XY data of the first data series
dim dataX(-1) as double = array(50, 55, 37, 24, 42, 49, 63, 72, 83, 59.0)
dim dataY(-1) as double = array(3.6, 2.8, 2.5, 2.3, 3.8, 3.0, 3.8, 5.0, 6.0, 3.3)
// 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 white
// background and 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, &hffffff, -1, &hc0c0c0, &hc0c0c0, -1)
// Add a title to the chart using 18 point Times Bold Itatic font.
call c.addTitle("Server Performance", "timesbi.ttf", 18)
// Add a title to the y axis using 12 pts Arial Bold Italic font
call c.yAxis.setTitle("Response Time (sec)", "arialbi.ttf", 12)
// Set the y axis line width to 3 pixels
c.yAxis.setWidth(3)
// Set the y axis label format to show 1 decimal point
c.yAxis.setLabelFormat("{value|1}")
// Add a title to the x axis using 12 pts Arial Bold Italic font
call c.xAxis.setTitle("Server Load (TPS)", "arialbi.ttf", 12)
// Set the x axis line width to 3 pixels
c.xAxis.setWidth(3)
// Add a scatter layer using (dataX, dataY)
call c.addScatterLayer(dataX, dataY, "", c.kDiamondSymbol,11, &h008000)
// Add a trend line layer for (dataX, dataY)
dim trendLayer as CDTrendLayerMBS
TrendLayer = c.addTrendLayer(dataX, dataY, &h008000)
// Set the line width to 3 pixels
trendLayer.setLineWidth(3)
// Add a 95% confidence band for the line
trendLayer.addConfidenceBand(0.95, &h806666FF)
// Add a 95% confidence band (prediction band) for the points
trendLayer.addPredictionBand(0.95, &h8066FF66)
// Add a legend box at (50, 30) (top of the chart) with horizontal layout. Use 10
// pts Arial Bold Italic font. Set the background and border color to
// Transparent.
dim legendBox as CDLegendBoxMBS
legendBox = c.addLegend(50, 30, false, "arialbi.ttf", 10)
legendBox.setBackground(c.kTransparent)
// Add entries to the legend box
legendBox.addKey("95% Line Confidence", &h806666FF)
legendBox.addKey("95% Point Confidence", &h8066FF66)
// Display the trend line parameters as a text table formatted using CDML
dim buffer as string
buffer="<*block*>Slope"+EndOfLine.UNIX+"Intercept"+EndOfLine.UNIX+"Correlation"+EndOfLine.UNIX+_
"Std Error<*/*> <*block*>"+str(trendLayer.getSlope)+" sec/tps"+EndOfLine.UNIX+str(trendLayer.getIntercept)+" sec"+EndOfLine.UNIX+str(trendLayer.getCorrelation)+EndOfLine.UNIX+str(trendLayer.getStdError)+" sec<*/*>"
dim textbox as CDTextBoxMBS
textbox = c.addText(56, 65, buffer, "arialbd.ttf", 8)
// Set the background of the text box to light grey, with a black border, and 1
// pixel 3D border
textbox.setBackground(&hc0c0c0, 0, 1)
// 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
The items on this page are in the following plugins: MBS ChartDirector Plugin.