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Zoom Property

Summary

Gets or sets the camera zoom value.

Syntax

C++

public float Zoom {get; set;}

Public Property Zoom As Single

public: 
property float Zoom { 
   float get(); 
   void set (    float ); 
}

Property Value

The camera zoom value.

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.

Example

Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.MedicalViewer 
Imports Leadtools.Medical3D 
 
<TestMethod> 
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

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
using Leadtools.Medical3D; 
 
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); 
    } 
}