vtk/src/vtk/AxesActor.java

   1 package vtk;
   2
   3 /**
   4  * Axis actor created in the Java world
   5  *
   6  * @author Kitware
   7  */
   8 public class AxesActor extends vtkAssembly {
   9
  10     private vtkRenderer ren;
  11     private double axisLength = 0.8;
  12     private vtkTextActor xactor, yactor, zactor;
  13
  14     public AxesActor(vtkRenderer _ren) {
  15         super();
  16         ren = _ren;
  17         createAxes();
  18     }
  19
  20     public void createAxes() {
  21         vtkAxes axes = new vtkAxes();
  22         axes.SetOrigin(0, 0, 0);
  23         axes.SetScaleFactor(axisLength);
  24
  25         xactor = new vtkTextActor();
  26         yactor = new vtkTextActor();
  27         zactor = new vtkTextActor();
  28
  29         xactor.SetInput("X");
  30         yactor.SetInput("Y");
  31         zactor.SetInput("Z");
  32
  33         xactor.ScaledTextOn();
  34         yactor.ScaledTextOn();
  35         zactor.ScaledTextOn();
  36
  37         xactor.GetPositionCoordinate().SetCoordinateSystemToWorld();
  38         yactor.GetPositionCoordinate().SetCoordinateSystemToWorld();
  39         zactor.GetPositionCoordinate().SetCoordinateSystemToWorld();
  40
  41         xactor.GetPositionCoordinate().SetValue(axisLength, 0.0, 0.0);
  42         yactor.GetPositionCoordinate().SetValue(0.0, axisLength, 0.0);
  43         zactor.GetPositionCoordinate().SetValue(0.0, 0.0, axisLength);
  44
  45         xactor.GetTextProperty().SetColor(1.0, 1.0, 1.0);
  46         xactor.GetTextProperty().ShadowOn();
  47         xactor.GetTextProperty().ItalicOn();
  48         xactor.GetTextProperty().BoldOff();
  49
  50         yactor.GetTextProperty().SetColor(1.0, 1.0, 1.0);
  51         yactor.GetTextProperty().ShadowOn();
  52         yactor.GetTextProperty().ItalicOn();
  53         yactor.GetTextProperty().BoldOff();
  54
  55         zactor.GetTextProperty().SetColor(1.0, 1.0, 1.0);
  56         zactor.GetTextProperty().ShadowOn();
  57         zactor.GetTextProperty().ItalicOn();
  58         zactor.GetTextProperty().BoldOff();
  59
  60         xactor.SetMaximumLineHeight(0.25);
  61         yactor.SetMaximumLineHeight(0.25);
  62         zactor.SetMaximumLineHeight(0.25);
  63
  64         vtkTubeFilter tube = new vtkTubeFilter();
  65         tube.SetInput(axes.GetOutput());
  66         tube.SetRadius(0.05);
  67         tube.SetNumberOfSides(8);
  68
  69         vtkPolyDataMapper tubeMapper = new vtkPolyDataMapper();
  70         tubeMapper.SetInput(tube.GetOutput());
  71
  72         vtkActor tubeActor = new vtkActor();
  73         tubeActor.SetMapper(tubeMapper);
  74         tubeActor.PickableOff();
  75
  76         int coneRes = 12;
  77         double coneScale = 0.3;
  78
  79         // --- x-Cone
  80         vtkConeSource xcone = new vtkConeSource();
  81         xcone.SetResolution(coneRes);
  82         vtkPolyDataMapper xconeMapper = new vtkPolyDataMapper();
  83         xconeMapper.SetInput(xcone.GetOutput());
  84         vtkActor xconeActor = new vtkActor();
  85         xconeActor.SetMapper(xconeMapper);
  86         xconeActor.GetProperty().SetColor(1, 0, 0);
  87         xconeActor.SetScale(coneScale, coneScale, coneScale);
  88         xconeActor.SetPosition(axisLength, 0.0, 0.0);
  89
  90         // --- y-Cone
  91         vtkConeSource ycone = new vtkConeSource();
  92         ycone.SetResolution(coneRes);
  93         vtkPolyDataMapper yconeMapper = new vtkPolyDataMapper();
  94         yconeMapper.SetInput(ycone.GetOutput());
  95         vtkActor yconeActor = new vtkActor();
  96         yconeActor.SetMapper(yconeMapper);
  97         yconeActor.GetProperty().SetColor(1, 1, 0);
  98         yconeActor.RotateZ(90);
  99         yconeActor.SetScale(coneScale, coneScale, coneScale);
 100         yconeActor.SetPosition(0.0, axisLength, 0.0);
 101
 102         // --- z-Cone
 103         vtkConeSource zcone = new vtkConeSource();
 104         zcone.SetResolution(coneRes);
 105         vtkPolyDataMapper zconeMapper = new vtkPolyDataMapper();
 106         zconeMapper.SetInput(zcone.GetOutput());
 107         vtkActor zconeActor = new vtkActor();
 108         zconeActor.SetMapper(zconeMapper);
 109         zconeActor.GetProperty().SetColor(0, 1, 0);
 110         zconeActor.RotateY(-90);
 111         zconeActor.SetScale(coneScale, coneScale, coneScale);
 112         zconeActor.SetPosition(0.0, 0.0, axisLength);
 113
 114         ren.AddActor2D(xactor);
 115         ren.AddActor2D(yactor);
 116         ren.AddActor2D(zactor);
 117
 118         this.AddPart(tubeActor);
 119         this.AddPart(xconeActor);
 120         this.AddPart(yconeActor);
 121         this.AddPart(zconeActor);
 122
 123         ren.AddActor(this);
 124     }
 125
 126     public void setAxesVisibility(boolean ison) {
 127         this.SetVisibility(ison ? 1 : 0);
 128         xactor.SetVisibility(ison ? 1 : 0);
 129         yactor.SetVisibility(ison ? 1 : 0);
 130         zactor.SetVisibility(ison ? 1 : 0);
 131     }
 132 }