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Zoom Property
See Also 
Leadtools.Medical3D Namespace > Medical3DCamera Class : Zoom Property



Gets or sets the camera zoom value.

Syntax

Visual Basic (Declaration) 
Public Property Zoom As Single
Visual Basic (Usage)Copy Code
Dim instance As Medical3DCamera
Dim value As Single
 
instance.Zoom = value
 
value = instance.Zoom
C# 
public float Zoom {get; set;}
C++/CLI 
public:
property float Zoom {
   float get();
   void set (    float value);
}

Property Value

The camera zoom value.

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)

      ' zoom range controls the beam width angle of camera lens , its range is from 1 to 179 degree.
      _medical3DControl.ObjectsContainer.Camera.Zoom = 15.0f ' Degree

      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);

        // zoom range controls the beam width angle of camera lens , its range is from 1 to 179 degree.
        _medical3DControl.ObjectsContainer.Camera.Zoom = 15.0f;// Degree

        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

The Medical3DObject.Scale property enlarges object dimensions, whereas, and the Zoom property gets the camera closer to the object. The default value is 129.

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