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/ChartDirector/contourinterpolate
Function:
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/contourinterpolate
This example is the version from Sun, 17th Mar 2012.
Project "contourinterpolate.rbp"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open() createChart(0, "contourinterpolate0") createChart(1, "contourinterpolate1") createChart(2, "contourinterpolate2") createChart(3, "contourinterpolate3") End EventHandler
Protected Sub CreateChart(img as integer, filename as string) dim w as new PicWindow w.Title=filename // The x and y coordinates of the grid dim dataX(-1) as double = array(-4.0, -3, -2, -1, 0, 1, 2, 3, 4) dim dataY(-1) as double = array(-4.0, -3, -2, -1, 0, 1, 2, 3, 4) // The values at the grid points. In this example, we will compute the values // using the formula z = Sin(x * pi / 3) * Sin(y * pi / 3). dim dataZ(9*9-1) as double for yIndex as integer = 0 to UBound(datay) dim y as double = dataY(yIndex) for xIndex as integer = 0 to UBound(dataX) dim x as double = dataX(xIndex) dataZ(yIndex * 9 + xIndex) = sin(x * 3.1416 / 3) * sin(y * 3.1416 / 3) next next // Create a XYChart object of size 360 x 360 pixels DIM c as new CDXYChartMBS(360, 360) // Set the plotarea at (30, 25) and of size 300 x 300 pixels. Use // semi-transparent black (c0000000) for both horizontal and vertical grid lines call c.setPlotArea(30, 25, 300, 300, -1, -1, -1, &hc0000000, -1) // Add a contour layer using the given data dim layer as CDContourLayerMBS = c.addContourLayer(dataX,dataY,dataZ) // Set the x-axis and y-axis scale c.xAxis.setLinearScale(-4, 4, 1) c.yAxis.setLinearScale(-4, 4, 1) Select case img case 0 // Discrete coloring, spline surface interpolation call c.addTitle("Spline Surface - Discrete Coloring", "arialbi.ttf", 12) case 1 // Discrete coloring, linear surface interpolation call c.addTitle("Linear Surface - Discrete Coloring", "arialbi.ttf", 12) layer.setSmoothInterpolation(false) case 2 // Smooth coloring, spline surface interpolation call c.addTitle("Spline Surface - Continuous Coloring", "arialbi.ttf", 12) layer.setContourColor(c.kTransparent) layer.colorAxis.setColorGradient(true) case 3 // Discrete coloring, linear surface interpolation call c.addTitle("Linear Surface - Continuous Coloring", "arialbi.ttf", 12) layer.setSmoothInterpolation(false) layer.setContourColor(c.kTransparent) layer.colorAxis.setColorGradient(true) end Select // Output the chart w.Backdrop=c.makeChartPicture w.top=50+380*(img\2) w.left=380*(img mod 2) w.show End Sub
End Class
Class PicWindow Inherits Window
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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The items on this page are in the following plugins: MBS ChartDirector Plugin.




Links
MBS FileMaker tutorial videos