Xojo Conferences
XDCMay2019MiamiUSA

Platforms to show: All Mac Windows Linux Cross-Platform

/ChartDirector/surfaceperspective
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/surfaceperspective
This example is the version from Sun, 17th Mar 2012.
Project "surfaceperspective.rbp"
Class App Inherits Application
Const kEditClear = "&Löschen"
Const kFileQuit = "Beenden"
Const kFileQuitShortcut = ""
EventHandler Sub Open() createChart(0, "surfaceperspective0") createChart(1, "surfaceperspective1") createChart(2, "surfaceperspective2") createChart(3, "surfaceperspective3") createChart(4, "surfaceperspective4") createChart(5, "surfaceperspective5") 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(0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0) dim dataY(-1) as double = array(0.0, 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0) // The values at the grid points. In this example, we will compute the values // using the formula z = sin((x - 0.5) * 2 * pi) * sin((y - 0.5) * 2 * pi) dim dataZ(120) as double for yIndex as integer = 0 to UBound(datay) dim y as double = (dataY(yIndex) - 0.5) * 2 * 3.1416 for xIndex as integer = 0 to UBound(Datax) dim x as double = (dataX(xIndex) - 0.5) * 2 * 3.1416 dataZ(yIndex * 11 + xIndex) = sin(x) * sin(y) next next // the perspective level dim perspective as integer = img * 12 // Create a SurfaceChart object of size 360 x 360 pixels, with white (ffffff) // background and grey (888888) border. dim c as new CDSurfaceChartMBS(360, 360, &hffffff, &h888888) // Set the perspective level c.setPerspective(perspective) call c.addTitle("Perspective = "+str(perspective)) // Set the center of the plot region at (195, 165), and set width x depth x // height to 200 x 200 x 150 pixels c.setPlotRegion(195, 165, 200, 200, 150) // Set the plot region wall thichness to 5 pixels c.setWallThickness(5) // Set the elevation and rotation angles to 30 and 30 degrees c.setViewAngle(30, 30) // Set the data to use to plot the chart c.setData(dataX, dataY, dataZ) // Spline interpolate data to a 40 x 40 grid for a smooth surface c.setInterpolation(40, 40) // Use smooth gradient coloring. c.colorAxis.setColorGradient // Output the chart w.Backdrop=c.makeChartPicture w.top=50+380*(img\2) w.left=400*(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

Feedback, Comments & Corrections

The items on this page are in the following plugins: MBS ChartDirector Plugin.




Links
MBS Xojo Plugins