public void AddCylinderEdgeToActors(byte[] bgColor, ref vtkActorCollection actors)
{
vtkProperty pp = vtkProperty.New();
pp.SetOpacity(0.7);
pp.SetColor(bgColor[0], bgColor[1], bgColor[2]);
pp.SetLineWidth(5);
pp.SetLighting(false);
vtkRegularPolygonSource circle = vtkRegularPolygonSource.New();
circle.GeneratePolygonOn();
circle.SetNumberOfSides(50);
circle.SetRadius(radius);
circle.SetCenter(0, 0, 0);
vtkPolyDataMapper mappper = vtkPolyDataMapper.New();
mappper.SetInputConnection(circle.GetOutputPort());
vtkActor actor = vtkActor.New();
actor.SetProperty(pp);
actor.SetMapper(mappper);
actors.AddItem(actor);
actor.SetProperty(pp);
actors.AddItem(actor);
vtkLineSource ls = vtkLineSource.New();
ls.SetPoint1(0, 0, 0);
ls.SetPoint2(0, 0, height);
vtkTubeFilter tf = vtkTubeFilter.New();
tf.SetInputConnection(ls.GetOutputPort());
tf.SetRadius(radius);
tf.SetNumberOfSides(100);
tf.CappingOff();
vtkPolyDataMapper dm = vtkPolyDataMapper.New();
dm.SetInputConnection(tf.GetOutputPort());
vtkActor a2 = vtkActor.New();
a2.SetMapper(dm);
a2.SetProperty(pp);
pp.SetOpacity(0.5);
actor.SetProperty(pp);
actors.AddItem(a2);
}
/// <summary>
/// 绘制立长方体的边缘
/// </summary>
/// <param name="bgColor">边缘的颜色</param>
/// <param name="actors">添加至该对象</param>
public void AddContainerEdgeToActorCollection(byte[] bgColor, ref vtkActorCollection actors)
{
vtkProperty pp = vtkProperty.New();
pp.SetOpacity(0.5);
pp.SetColor(bgColor[0], bgColor[1], bgColor[2]);
pp.SetLineWidth(5);
pp.SetLighting(false);
vtkCubeSource cs = vtkCubeSource.New();
cs.SetCenter(sideLen / 2, sideLen / 2, height / 2);
cs.SetXLength(sideLen);
cs.SetYLength(sideLen);
cs.SetZLength(height);
#region 采用描点的方式绘制长方体 只需要添加到mapper.SetInput(pd);即可
//vtkPoints points = vtkPoints.New();
//points.InsertNextPoint(0 + offset[0], 0 + offset[1], 0 + offset[2]);
//points.InsertNextPoint(sideLen + offset[0], 0 + offset[1], 0 + offset[2]);
//points.InsertNextPoint(sideLen + offset[0], sideLen + offset[1], 0 + offset[2]);
//points.InsertNextPoint(0 + offset[0], sideLen + offset[1], 0 + offset[2]);
//points.InsertNextPoint(0 + offset[0], sideLen + offset[1], height + offset[2]);
//points.InsertNextPoint(sideLen + offset[0], sideLen + offset[1], height + offset[2]);
//points.InsertNextPoint(sideLen + offset[0], 0 + offset[1], height + offset[2]);
//points.InsertNextPoint(0 + offset[0], 0 + offset[1], height + offset[2]);
//vtkPolyData pd = vtkPolyData.New();
//vtkLine line = vtkLine.New();
//vtkCellArray cellArr = vtkCellArray.New();
////描出边框
//for (int i = 0; i < 4; i++)
//{
// line.GetPointIds().SetId(0, i);
// line.GetPointIds().SetId(1, (i + 1) % 4);
// cellArr.InsertNextCell(line);
// line.GetPointIds().SetId(0, i + 4);
// line.GetPointIds().SetId(1, (i + 1) % 4 + 4);
// cellArr.InsertNextCell(line);
// line.GetPointIds().SetId(0, i);
// line.GetPointIds().SetId(1, 7 - i);
// cellArr.InsertNextCell(line);
//}
//IntPtr iColor = Marshal.AllocHGlobal(bgColor.Length);
//Marshal.Copy(bgColor, 0, iColor, bgColor.Length);
//vtkUnsignedCharArray colors = vtkUnsignedCharArray.New();
//colors.SetNumberOfComponents(3);
//for (int i = 0; i < cellArr.GetNumberOfCells(); i++)
//{
// colors.InsertNextTupleValue(iColor);
//}
//pd.SetPoints(points);
//pd.SetLines(cellArr);
//pd.GetCellData().SetScalars(colors);
//Marshal.FreeHGlobal(iColor);
#endregion
vtkPolyDataMapper mapper = vtkPolyDataMapper.New();
//mapper.SetInput(pd);
mapper.SetInputConnection(cs.GetOutputPort());
vtkActor actor = vtkActor.New();
actor.SetMapper(mapper);
actor.SetProperty(pp);
actors.AddItem(actor);
}