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/ChartDirector/contourinterpolate
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.xojo_binary_project"
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
The items on this page are in the following plugins: MBS ChartDirector Plugin.