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RemoveBackground Property
See Also 
Leadtools.Medical3D Namespace > Medical3DMPR Class : RemoveBackground Property



Gets or sets a value that indicates whether to remove the background of the images that appear on the MPR planes or render only the data.

Syntax

Visual Basic (Declaration) 
Public Property RemoveBackground As Boolean
Visual Basic (Usage)Copy Code
Dim instance As Medical3DMPR
Dim value As Boolean
 
instance.RemoveBackground = value
 
value = instance.RemoveBackground
C# 
public bool RemoveBackground {get; set;}
C++/CLI 
public:
property bool RemoveBackground {
   bool get();
   void set (    bool value);
}

Property Value

true to remove the background; otherwise, false.

Example

Visual BasicCopy Code
<Test> _
Public Sub Medical3DControlExample()
   Dim LoadObject As Medical3DLoadDICOMSeriesExamples = New Medical3DLoadDICOMSeriesExamples()
   Dim output As MedicalViewerSeriesManager = LoadObject.LoadJamesHead()
   Dim form As MainForm1 = New MainForm1(output)
   form.ShowDialog()
End Sub

' MainForm1 will be the owner of the medical viewer control.
Private Class MainForm1 : Inherits Form
   Private _medical3DControl As Medical3DControl

   Public Sub New(ByVal output As MedicalViewerSeriesManager)
      Dim _codecs As RasterCodecs = New RasterCodecs()
      Dim _image As RasterImage

      Dim codecsInformation As CodecsImageInfo

      _medical3DControl = New Medical3DControl()
      AddHandler SizeChanged, AddressOf MainForm1_SizeChanged
      AddHandler FormClosing, AddressOf MainForm1_FormClosing


      _medical3DControl.ObjectsContainer.Objects.Add(New Medical3DObject())

      Dim index As Integer

      codecsInformation = _codecs.GetInformation(CStr(output.Stacks(0).Items(0).Data), True)


      Dim width As Integer = codecsInformation.Width
      Dim height As Integer = codecsInformation.Height
      Dim depth As Integer = 256

      _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientInit(depth)

      index = 0
      Do While index < depth

         _image = _codecs.Load(CStr(output.Stacks(0).Items(index).Data), 0, CodecsLoadByteOrder.BgrOrGrayOrRomm, 1, 1)
         _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientSetFrame(_image, index, output.Stacks(0).Items(index).ImagePosition, True)
         index += 1
      Loop

      Dim spearator As String = ("\")
      Dim test As String() = output.Stacks(0).Items(0).ImageOrientation.Split(spearator.ToCharArray())
      Dim orientation As Single() = New Single(5){}
      Dim i As Integer
      For i = 0 To 5
         orientation(i) = CSng(Convert.ToDouble(test(i)))
      Next i

      _medical3DControl.ObjectsContainer.Objects(0).MemoryEfficientEnd(orientation, output.Stacks(0).PixelSpacing)

      _medical3DControl.ObjectsContainer.VolumeType = Medical3DVolumeType.MPR

      Dim Normal As Point3D = New Point3D(1, 1, 0)
      Dim Point As Point3D = New Point3D(0, 0, 0.5f)
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(0).Point = Point
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(0).Normal = Normal
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(0).Enabled = True
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(0).Space = Medical3DSpace.Object 'OBJECTSPACE BASED
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(0).Axis = Medical3DAxis.X ' rotate plane around Y axis

      Normal = New Point3D(1, -1, 0)
      Point = New Point3D(0, 0.5f, 0.5f)
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(1).Point = Point
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(1).Normal = Normal
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(1).Enabled = True
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(1).Space = Medical3DSpace.View 'Alignment Space Based
      _medical3DControl.ObjectsContainer.Objects(0).MPR.Planes(1).Axis = Medical3DAxis.X ' Rotate plane around Z axis

      _medical3DControl.ObjectsContainer.Objects(0).MPR.RemoveBackground = True

      _medical3DControl.AddAction(MedicalViewerActionType.Rotate3DObject)
      _medical3DControl.SetAction(MedicalViewerActionType.Rotate3DObject, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active)

      _medical3DControl.AddAction(MedicalViewerActionType.TranslatePlane)
      _medical3DControl.SetAction(MedicalViewerActionType.TranslatePlane, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active)

      Controls.Add(_medical3DControl)
   End Sub

   Private Sub MainForm1_FormClosing(ByVal sender As Object, ByVal e As FormClosingEventArgs)
      _medical3DControl.Dispose()
   End Sub


   Private Sub MainForm1_SizeChanged(ByVal sender As Object, ByVal e As EventArgs)
      If Not _medical3DControl Is Nothing Then
         _medical3DControl.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom)
      End If
   End Sub
End Class
C#Copy Code
public void Medical3DControlExample()
{
    Medical3DLoadDICOMSeriesExamples LoadObject = new Medical3DLoadDICOMSeriesExamples();
    MedicalViewerSeriesManager output = LoadObject.LoadJamesHead();

    MainForm1 form = new MainForm1(output);
    form.ShowDialog();
}

// MainForm1 will be the owner of the medical viewer control.
class MainForm1 : Form
{
    private Medical3DControl _medical3DControl;

    public MainForm1(MedicalViewerSeriesManager output)
    {
        RasterCodecs _codecs = new RasterCodecs();
        RasterImage _image;

        CodecsImageInfo codecsInformation;

        _medical3DControl = new Medical3DControl();
        this.SizeChanged += new EventHandler(MainForm1_SizeChanged);
        this.FormClosing += new FormClosingEventHandler(MainForm1_FormClosing);


        _medical3DControl.ObjectsContainer.Objects.Add(new Medical3DObject());

        int index;

        codecsInformation = _codecs.GetInformation((string)output.Stacks[0].Items[0].Data, true);


        int width = codecsInformation.Width;
        int height = codecsInformation.Height;
        int depth = 256;

        _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientInit(depth);

        for (index = 0; index < depth; index++)
        {

            _image = _codecs.Load((string)output.Stacks[0].Items[index].Data, 0, CodecsLoadByteOrder.BgrOrGrayOrRomm, 1, 1);
            _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientSetFrame(_image, index, output.Stacks[0].Items[index].ImagePosition, true);
        }

        string spearator = ("\\");
        string[] test = output.Stacks[0].Items[0].ImageOrientation.Split(spearator.ToCharArray());
        float[] orientation = new float[6];
        int i;
        for (i = 0; i < 6; i++)
        {
            orientation[i] = (float)Convert.ToDouble(test[i]);
        }

        _medical3DControl.ObjectsContainer.Objects[0].MemoryEfficientEnd(orientation, output.Stacks[0].PixelSpacing);

        _medical3DControl.ObjectsContainer.VolumeType = Medical3DVolumeType.MPR;

        Point3D Normal = new Point3D(1, 1, 0);
        Point3D Point = new Point3D(0, 0, 0.5f);
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[0].Point = Point;
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[0].Normal = Normal;
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[0].Enabled = true;
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[0].Space = Medical3DSpace.Object;//OBJECTSPACE BASED
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[0].Axis = Medical3DAxis.X;// rotate plane around Y axis

        Normal = new Point3D(1, -1, 0);
        Point = new Point3D(0, 0.5f, 0.5f);
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[1].Point = Point;
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[1].Normal = Normal;
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[1].Enabled = true;
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[1].Space = Medical3DSpace.View ;//Alignment Space Based
        _medical3DControl.ObjectsContainer.Objects[0].MPR.Planes[1].Axis = Medical3DAxis.X;// Rotate plane around Z axis

        _medical3DControl.ObjectsContainer.Objects[0].MPR.RemoveBackground = true;

        _medical3DControl.AddAction(MedicalViewerActionType.Rotate3DObject);
        _medical3DControl.SetAction(MedicalViewerActionType.Rotate3DObject, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active);

        _medical3DControl.AddAction(MedicalViewerActionType.TranslatePlane);
        _medical3DControl.SetAction(MedicalViewerActionType.TranslatePlane, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active);

        Controls.Add(_medical3DControl);
    }

    void MainForm1_FormClosing(object sender, FormClosingEventArgs e)
    {
        _medical3DControl.Dispose();
    }


    void MainForm1_SizeChanged(object sender, EventArgs e)
    {
        if (_medical3DControl != null)
            _medical3DControl.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom);
    }
}

Remarks

RemoveBackground works by detecting the least important area of the 3D object and removing it for better visualization.

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also

Leadtools.Medical3D requires a Document or Medical toolkit license and unlock key. For more information, refer to: Imaging Pro/Document/Medical Features