Data3DRequested Event

Summary

Optional delegate method for additional processing.

Syntax
C#
VB
C++
public event EventHandler<MedicalViewerData3DRequestedEventArgs> Data3DRequested 
  
Public Event Data3DRequested As EventHandler(Of MedicalViewerData3DRequestedEventArgs) 
            public: 
event EventHandler<MedicalViewerData3DRequestedEventArgs^>^ Data3DRequested 

Event Data

The event handler receives an argument of type MedicalViewerData3DRequestedEventArgs containing data related to this event. The following MedicalViewerData3DRequestedEventArgs properties provide information specific to this event.

PropertyDescription
ImageIndex Gets the value that indicates the index of the requested image.
InformationType Gets the type of the requested 3D information from the Medical Viewer to the Medical 3D engine.
Succeed Gets or sets the value that indicates whether the request for 3D information has succeeded.

Example
C#
VB
using Leadtools; 
using Leadtools.Dicom; 
using Leadtools.Medical3D; 
using Leadtools.Codecs; 
using Leadtools.MedicalViewer; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Core; 
using Leadtools.ImageProcessing.Color; 
using Leadtools.Annotations.Engine; 
using Leadtools.Annotations.Designers; 
 
class MedicalViewerCutLineForm : Form 
{ 
   private MedicalViewer _medicalViewer; 
   private MedicalViewerSeriesManager _seriesManager; 
 
   void MedicalViewerCutLineForm_SizeChanged(object sender, EventArgs e) 
   { 
      _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
   } 
 
   public MedicalViewerCutLineForm(MedicalViewerSeriesManager output) 
   { 
      RasterCodecs _codecs = new RasterCodecs(); 
 
      this.SizeChanged += new EventHandler(MedicalViewerCutLineForm_SizeChanged); 
 
      // Create the medical viewer and adjust the size and the location. 
      _medicalViewer = new MedicalViewer(1, 2); 
      _medicalViewer.Location = new Point(0, 0); 
      _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
 
      _seriesManager = output; 
 
      MedicalViewerMultiCell cell = new MedicalViewerMultiCell(null, true, 1, 1); 
 
      int index; 
      int count = output.Stacks[0].Items.Count; 
      CodecsImageInfo codecsInformation; 
 
      // Get the image information for each frame and send them to the low memory usage function. 
      MedicalViewerImageInformation[] imageInformation = new MedicalViewerImageInformation[count]; 
      for (index = 0; index < count; index++) 
      { 
         codecsInformation = _codecs.GetInformation((string)(output.Stacks[0].Items[index].Data), true); 
 
         imageInformation[index] = new MedicalViewerImageInformation(); 
         imageInformation[index].ImageHeight = codecsInformation.Width; 
         imageInformation[index].ImageWidth = codecsInformation.Width; 
         imageInformation[index].XResolution = codecsInformation.XResolution; 
         imageInformation[index].YResolution = codecsInformation.YResolution; 
      } 
 
      cell.Data3DRequested += new EventHandler<MedicalViewerData3DRequestedEventArgs>(cell_Data3DRequested); 
      cell.Data3DFrameRequested += new EventHandler<MedicalViewer3DFrameRequestedEventArgs>(cell_Data3DFrameRequested); 
      cell.FramesRequested +=new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested); 
      FormClosing += new FormClosingEventHandler(MedicalViewerCutLineForm_FormClosing); 
      cell.EnableLowMemoryUsage(2, count, imageInformation); 
 
      _medicalViewer.Cells.Add(cell); 
 
      cell.PixelSpacing = output.Stacks[0].PixelSpacing; 
 
      for (index = 0; index < count; index++) 
      { 
         cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1)); 
      } 
 
      // add some actions that will be used to change the properties of the images inside the control. 
      cell.AddAction(MedicalViewerActionType.WindowLevel); 
      cell.AddAction(MedicalViewerActionType.Alpha); 
      cell.AddAction(MedicalViewerActionType.Offset); 
 
      // assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated. 
      cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); 
 
      // adjust some properties of the cell and add some tags. 
      _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448"); 
      _medicalViewer.Cells[0].SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame); 
      _medicalViewer.Cells[0].SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale); 
      _medicalViewer.Cells[0].SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData); 
      _medicalViewer.Cells[0].SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView); 
 
      // Set the image DICOM data 
      cell.PixelSpacing = output.Stacks[0].PixelSpacing; 
 
      // Create some cells that will hold the derivative images resulted from the cut-planes. 
      MedicalViewerCell singleDerivativeCell = new MedicalViewerCell(); 
      MedicalViewerCell firstDerivativeCell = new MedicalViewerCell(); 
      MedicalViewerCell secondDerivativeCell = new MedicalViewerCell(); 
 
      cell.DerivativeGenerated +=new EventHandler<MedicalViewerDerivativeGeneratedEventArgs>(cell_DerivativeGenerated); 
 
      // create a single cut-plane and double cut-plane. 
      cell.ReferenceLine.CutLines.Add(new MedicalViewerPlaneCutLine(singleDerivativeCell)); 
      cell.ReferenceLine.DoubleCutLines.Add(new MedicalViewerDoublePlaneCutLine(firstDerivativeCell, secondDerivativeCell)); 
 
      _medicalViewer.Cells.Add(singleDerivativeCell); 
      _medicalViewer.Cells.Add(firstDerivativeCell); 
      _medicalViewer.Cells.Add(secondDerivativeCell); 
 
      Controls.Add(_medicalViewer); 
      _medicalViewer.Dock = DockStyle.Fill; 
   } 
 
   void MedicalViewerCutLineForm_FormClosing(object sender, FormClosingEventArgs e) 
   { 
   } 
 
   void cell_Data3DRequested(object sender, MedicalViewerData3DRequestedEventArgs e) 
   { 
      e.Succeed = Medical3DEngine.Provide3DInformation(e); 
   } 
 
   void cell_Data3DFrameRequested(object sender, MedicalViewer3DFrameRequestedEventArgs e) 
   { 
      RasterCodecs _codecs = new RasterCodecs(); 
      e.Image = _codecs.Load((string)(_seriesManager.Stacks[0].Items[e.ImageIndex].Data)); 
      _codecs.Dispose(); 
   } 
 
   void  cell_DerivativeGenerated(object sender, MedicalViewerDerivativeGeneratedEventArgs e) 
   { 
      e.DerivativeCell.ShowCellBoundaries = true; 
      e.DerivativeCell.ReferenceLine.Enabled = true; 
   } 
 
   void  cell_FramesRequested(object sender, MedicalViewerRequestedFramesInformationEventArgs e) 
   { 
      MedicalViewerMultiCell cell = (MedicalViewerMultiCell)(sender); 
      RasterCodecs _codecs = new RasterCodecs(); 
      int i; 
      RasterImage image; 
      string fileName; 
 
      if (e.RequestedFramesIndexes.Length > 0) 
      { 
         fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[0]].Data); 
         image = _codecs.Load(fileName); 
      } 
      else 
         return; 
 
      for (i = 1; i < e.RequestedFramesIndexes.Length; i++) 
      { 
         fileName = (string)(_seriesManager.Stacks[0].Items[e.RequestedFramesIndexes[i]].Data); 
         image.AddPage(_codecs.Load(fileName)); 
      } 
 
      cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert); 
   } 
 
   public MedicalViewer Viewer 
   { 
      get { return _medicalViewer; } 
   } 
} 
 
MedicalViewerCutLineForm GetMedicalViewerCutLineControl() 
{ 
   MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom(); 
   MedicalViewerSeriesManager output = form.LoadJamesHead(); 
 
   return new MedicalViewerCutLineForm(output); 
} 
 
// This example changes the default window level value by decrease the width by 100. Then resets the images based on the new value. 
public void MedicalViewerCutLineExample() 
{ 
   MedicalViewerCutLineForm myForm = GetMedicalViewerCutLineControl(); 
   MedicalViewer medicalViewer = myForm.Viewer; 
 
   myForm.ShowDialog(); 
} 
Imports Leadtools 
Imports Leadtools.Dicom 
Imports Leadtools.Medical3D 
Imports Leadtools.Codecs 
Imports Leadtools.MedicalViewer 
Imports Leadtools.Annotations.Engine 
Imports Leadtools.Annotations.Designers 
Imports Leadtools.ImageProcessing.Core 
 
Private Class MedicalViewerCutLineForm : Inherits Form 
   Private _medicalViewer As MedicalViewer 
   Private _seriesManager As MedicalViewerSeriesManager 
 
   Private Sub MedicalViewerCutLineForm_SizeChanged(ByVal sender As Object, ByVal e As EventArgs) 
      _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom) 
   End Sub 
 
   Public Sub New(ByVal output As MedicalViewerSeriesManager) 
      Dim _codecs As RasterCodecs = New RasterCodecs() 
 
      AddHandler SizeChanged, AddressOf MedicalViewerCutLineForm_SizeChanged 
 
      ' Create the medical viewer and adjust the size and the location. 
      _medicalViewer = New MedicalViewer(1, 2) 
      _medicalViewer.Location = New Point(0, 0) 
      _medicalViewer.Size = New Size(Me.ClientRectangle.Right, Me.ClientRectangle.Bottom) 
 
      _seriesManager = output 
 
      Dim cell As MedicalViewerMultiCell = New MedicalViewerMultiCell(Nothing, True, 1, 1) 
 
      Dim index As Integer 
      Dim count As Integer = output.Stacks(0).Items.Count 
      Dim codecsInformation As CodecsImageInfo 
 
      ' Get the image information for each frame and send them to the low memory usage function. 
      Dim imageInformation As MedicalViewerImageInformation() = New MedicalViewerImageInformation(count - 1) {} 
      index = 0 
      Do While index < count 
         codecsInformation = _codecs.GetInformation(CStr(output.Stacks(0).Items(index).Data), True) 
 
         imageInformation(index) = New MedicalViewerImageInformation() 
         imageInformation(index).ImageHeight = codecsInformation.Width 
         imageInformation(index).ImageWidth = codecsInformation.Width 
         imageInformation(index).XResolution = codecsInformation.XResolution 
         imageInformation(index).YResolution = codecsInformation.YResolution 
         index += 1 
      Loop 
 
      AddHandler cell.Data3DRequested, AddressOf cell_Data3DRequested 
      AddHandler cell.Data3DFrameRequested, AddressOf cell_Data3DFrameRequested 
      AddHandler cell.FramesRequested, AddressOf cell_FramesRequested 
      AddHandler FormClosing, AddressOf MedicalViewerCutLineForm_FormClosing 
      cell.EnableLowMemoryUsage(2, count, imageInformation) 
 
      _medicalViewer.Cells.Add(cell) 
 
      cell.PixelSpacing = output.Stacks(0).PixelSpacing 
 
      index = 0 
      Do While index < count 
         cell.SetImagePosition(index, output.Stacks(0).Items(index).ImagePosition, (index = count - 1)) 
         index += 1 
      Loop 
 
      ' add some actions that will be used to change the properties of the images inside the control. 
      cell.AddAction(MedicalViewerActionType.WindowLevel) 
      cell.AddAction(MedicalViewerActionType.Alpha) 
      cell.AddAction(MedicalViewerActionType.Offset) 
 
      ' assign the added actions to a mouse button, meaning that when the user clicks and drags the mouse button, the associated action will be activated. 
      cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) 
      cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active) 
 
      ' adjust some properties of the cell and add some tags. 
      _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.UserData, "EX. ID 230-36-5448") 
      _medicalViewer.Cells(0).SetTag(4, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Frame) 
      _medicalViewer.Cells(0).SetTag(6, MedicalViewerTagAlignment.TopLeft, MedicalViewerTagType.Scale) 
      _medicalViewer.Cells(0).SetTag(2, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.WindowLevelData) 
      _medicalViewer.Cells(0).SetTag(1, MedicalViewerTagAlignment.BottomLeft, MedicalViewerTagType.FieldOfView) 
 
      ' Set the image DICOM data 
      cell.PixelSpacing = output.Stacks(0).PixelSpacing 
 
      ' Create some cells that will hold the derivative images resulted from the cut-planes. 
      Dim singleDerivativeCell As MedicalViewerCell = New MedicalViewerCell() 
      Dim firstDerivativeCell As MedicalViewerCell = New MedicalViewerCell() 
      Dim secondDerivativeCell As MedicalViewerCell = New MedicalViewerCell() 
 
      AddHandler cell.DerivativeGenerated, AddressOf cell_DerivativeGenerated 
 
      ' create a single cut-plane and double cut-plane. 
      cell.ReferenceLine.CutLines.Add(New MedicalViewerPlaneCutLine(singleDerivativeCell)) 
      cell.ReferenceLine.DoubleCutLines.Add(New MedicalViewerDoublePlaneCutLine(firstDerivativeCell, secondDerivativeCell)) 
 
      _medicalViewer.Cells.Add(singleDerivativeCell) 
      _medicalViewer.Cells.Add(firstDerivativeCell) 
      _medicalViewer.Cells.Add(secondDerivativeCell) 
 
      Controls.Add(_medicalViewer) 
      _medicalViewer.Dock = DockStyle.Fill 
   End Sub 
 
   Private Sub MedicalViewerCutLineForm_FormClosing(ByVal sender As Object, ByVal e As FormClosingEventArgs) 
   End Sub 
 
   Private Sub cell_Data3DRequested(ByVal sender As Object, ByVal e As MedicalViewerData3DRequestedEventArgs) 
      e.Succeed = Medical3DEngine.Provide3DInformation(e) 
   End Sub 
 
   Private Sub cell_Data3DFrameRequested(ByVal sender As Object, ByVal e As MedicalViewer3DFrameRequestedEventArgs) 
      Dim _codecs As RasterCodecs = New RasterCodecs() 
      e.Image = _codecs.Load(CStr(_seriesManager.Stacks(0).Items(e.ImageIndex).Data)) 
      _codecs.Dispose() 
   End Sub 
 
   Private Sub cell_DerivativeGenerated(ByVal sender As Object, ByVal e As MedicalViewerDerivativeGeneratedEventArgs) 
      e.DerivativeCell.ShowCellBoundaries = True 
      e.DerivativeCell.ReferenceLine.Enabled = True 
   End Sub 
 
   Private Sub cell_FramesRequested(ByVal sender As Object, ByVal e As MedicalViewerRequestedFramesInformationEventArgs) 
      Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) 
      Dim _codecs As RasterCodecs = New RasterCodecs() 
      Dim i As Integer 
      Dim image As RasterImage 
      Dim fileName As String 
 
      If e.RequestedFramesIndexes.Length > 0 Then 
         fileName = CStr(_seriesManager.Stacks(0).Items(e.RequestedFramesIndexes(0)).Data) 
         image = _codecs.Load(fileName) 
      Else 
         Return 
      End If 
 
      i = 1 
      Do While i < e.RequestedFramesIndexes.Length 
         fileName = CStr(_seriesManager.Stacks(0).Items(e.RequestedFramesIndexes(i)).Data) 
         image.AddPage(_codecs.Load(fileName)) 
         i += 1 
      Loop 
 
      cell.SetRequestedImage(image, e.RequestedFramesIndexes, MedicalViewerSetImageOptions.Insert) 
   End Sub 
 
   Public ReadOnly Property Viewer() As MedicalViewer 
      Get 
         Return _medicalViewer 
      End Get 
   End Property 
End Class 
 
Private Function GetMedicalViewerCutLineControl() As MedicalViewerCutLineForm 
   Dim form As MedicalViewerSeriesManagerFrom = New MedicalViewerSeriesManagerFrom() 
   Dim output As MedicalViewerSeriesManager = form.LoadJamesHead() 
 
   Return New MedicalViewerCutLineForm(output) 
End Function 
 
' This example changes the default window level value by decrease the width by 100. Then resets the images based on the new value. 
<TestMethod()> _ 
Public Sub MedicalViewerCutLineExample() 
   Dim myForm As MedicalViewerCutLineForm = GetMedicalViewerCutLineControl() 
   Dim medicalViewer As MedicalViewer = myForm.Viewer 
 
   myForm.ShowDialog() 
End Sub 

Requirements

Target Platforms

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Leadtools.MedicalViewer Assembly