Data3DFrameRequested Event

Summary
Optional delegate method for additional processing.
Syntax
C#
C++/CLI
public event EventHandler<MedicalViewer3DFrameRequestedEventArgs> Data3DFrameRequested 
            public: 
event EventHandler<MedicalViewer3DFrameRequestedEventArgs^>^ Data3DFrameRequested 
Event Data

The event handler receives an argument of type MedicalViewer3DFrameRequestedEventArgs containing data related to this event. The following MedicalViewer3DFrameRequestedEventArgs properties provide information specific to this event.

PropertyDescription
Image Gets or sets the image that is requested by the Medical Viewer engine and the Medical 3D Engine.
ImageIndex Gets the value that indicates the index of the requested image
Example
C#
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(); 
} 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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Leadtools.MedicalViewer Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.