MPRPolygonCreated Event

Summary

Optional delegate method for additional processing.

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

Event Data

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

PropertyDescription
Polygon Gets the MPR polygon that the user just created.

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 MedicalViewerPolygonCreatedForm : Form 
{ 
   private MedicalViewer _medicalViewer; 
   private MedicalViewerSeriesManager _seriesManager; 
 
   void MedicalViewerLocalizer_SizeChanged(object sender, EventArgs e) 
   { 
      _medicalViewer.Size = new Size(this.ClientRectangle.Right, this.ClientRectangle.Bottom); 
   } 
 
   public MedicalViewerPolygonCreatedForm(MedicalViewerSeriesManager output) 
   { 
      DicomEngine.Startup(); 
      RasterCodecs _codecs = new RasterCodecs(); 
 
      this.SizeChanged += new EventHandler(MedicalViewerLocalizer_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; 
 
      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.FramesRequested += new EventHandler<MedicalViewerRequestedFramesInformationEventArgs>(cell_FramesRequested); 
      FormClosing += new FormClosingEventHandler(MedicalViewerLocalizer_FormClosing); 
      cell.EnableLowMemoryUsage(2, count, imageInformation); 
 
      _medicalViewer.Cells.Add(cell); 
 
      // 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); 
      cell.AddAction(MedicalViewerActionType.PanoramicPolygon); 
 
      // 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.PanoramicPolygon, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active); 
 
      cell.ReferenceLine.Enabled = true; 
      cell.ReferenceLine.Color = Color.Yellow; 
      cell.ShowCellBoundaries = true; 
 
      // 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); 
 
      cell.PixelSpacing = output.Stacks[0].PixelSpacing; 
 
      for (index = 0; index < count; index++) 
      { 
         cell.SetImagePosition(index, output.Stacks[0].Items[index].ImagePosition, (index == count - 1)); 
      } 
      cell.ImageOrientation = output.Stacks[0].Items[0].ImageOrientationArray; 
      cell.FrameOfReferenceUID = output.Stacks[0].Items[0].FrameOfReferenceUID; 
 
      int width = cell.VirtualImage[cell.ActiveSubCell].Image.Width; 
      int height = cell.VirtualImage[cell.ActiveSubCell].Image.Height; 
 
 
 
      Controls.Add(_medicalViewer); 
      _medicalViewer.Dock = DockStyle.Fill; 
      DicomEngine.Shutdown(); 
 
      cell.MPRPolygonCreated += new EventHandler<MedicalViewerMPRPolygonEventsArgs>(cell_MPRPolygonCreated); 
      cell.PanoramicDataRequested += new EventHandler<MedicalViewerPanoramicDataRequestedEventArgs>(cell_PanoramicDataRequested); 
      cell.MPRPolygonClicked += new EventHandler<MedicalViewerMPRPolygonClickedEventsArgs>(cell_MPRPolygonClicked); 
      cell.Data3DRequested += new EventHandler<MedicalViewerData3DRequestedEventArgs>(cell_Data3DRequested); 
      cell.AutoDisposeInternalData = true; 
 
   } 
 
   void cell_Data3DRequested(object sender, MedicalViewerData3DRequestedEventArgs e) 
   { 
      e.Succeed = Medical3DEngine.Provide3DInformation(e); 
   } 
 
   void cell_MPRPolygonCreated(object sender, MedicalViewerMPRPolygonEventsArgs e) 
   { 
      MedicalViewerMultiCell cellSource = (MedicalViewerMultiCell)sender; 
      MedicalViewerPanoramicCell cell = new MedicalViewerPanoramicCell(e.Polygon); 
 
      cell.AddAction(MedicalViewerActionType.WindowLevel); 
      cell.AddAction(MedicalViewerActionType.Scale); 
      cell.AddAction(MedicalViewerActionType.Offset); 
      cell.AddAction(MedicalViewerActionType.Stack); 
 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.AllCells | MedicalViewerActionFlags.RealTime); 
      cell.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active); 
      cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active); 
      _medicalViewer.Cells.Add(cell); 
 
      MedicalViewerParaxialCutCell paraxialCell = new MedicalViewerParaxialCutCell(e.Polygon, 0); 
      paraxialCell.ParaxialDistance = 20; 
      paraxialCell.ParaxialLength = 200; 
      _medicalViewer.Cells.Add(paraxialCell); 
 
      cellSource.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active); 
   } 
 
   void cell_MPRPolygonClicked(object sender, MedicalViewerMPRPolygonClickedEventsArgs e) 
   { 
      // get the cell that contaisn the polygon clicked by the user. 
      MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender; 
 
      // get paraxial cell. 
      MedicalViewerParaxialCutCell paraxialCell = (MedicalViewerParaxialCutCell)_medicalViewer.Cells[2]; 
 
      // if the user clicks on other polygon lines, the paraxial cut will be assigned to that line 
      if ((e.Button == MouseButtons.Left) && e.Type == MedicalViewerMPRPolygonHitTest.Body) 
      { 
         paraxialCell.PolygonLineIndex = e.Index; 
      } 
   } 
 
 
   void cell_PanoramicDataRequested(object sender, MedicalViewerPanoramicDataRequestedEventArgs e) 
   { 
      MedicalViewerMultiCell cell = (MedicalViewerMultiCell)sender; 
      RasterCodecs _codecs = new RasterCodecs(); 
 
      String fileName = (string)(_seriesManager.Stacks[0].Items[e.FrameIndex].Data); 
 
      e.Frame = _codecs.Load(fileName); 
   } 
 
   void MedicalViewerLocalizer_FormClosing(object sender, FormClosingEventArgs e) 
   { 
   } 
 
   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; } 
   } 
} 
 
MedicalViewerPolygonCreatedForm GetMedicalViewerPolygonCreatedForm() 
{ 
   MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom(); 
   MedicalViewerSeriesManager output = form.LoadJamesHead(); 
 
   return new MedicalViewerPolygonCreatedForm(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 MedicalViewerPolygonCreatedExample() 
{ 
   MedicalViewerPolygonCreatedForm myForm = GetMedicalViewerPolygonCreatedForm(); 
   MedicalViewer medicalViewer = myForm.Viewer; 
 
   MessageBox.Show("Click to draw a polygon using the left mouse click, each click will create a new point, when done double-click"); 
   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 MedicalViewerPolygonCreatedForm : Inherits Form 
   Private _medicalViewer As MedicalViewer 
   Private _seriesManager As MedicalViewerSeriesManager 
 
   Private Sub MedicalViewer_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) 
      DicomEngine.Startup() 
      Dim _codecs As RasterCodecs = New RasterCodecs() 
 
      AddHandler SizeChanged, AddressOf MedicalViewer_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 
 
      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.FramesRequested, AddressOf cell_FramesRequested 
      AddHandler FormClosing, AddressOf MedicalViewerLocalizer_FormClosing 
      cell.EnableLowMemoryUsage(2, count, imageInformation) 
 
      _medicalViewer.Cells.Add(cell) 
 
      ' 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) 
      cell.AddAction(MedicalViewerActionType.PanoramicPolygon) 
 
      ' 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.PanoramicPolygon, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) 
      cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active) 
 
      cell.ReferenceLine.Enabled = True 
      cell.ReferenceLine.Color = Color.Yellow 
      cell.ShowCellBoundaries = True 
 
      ' 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) 
 
      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 
      cell.ImageOrientation = output.Stacks(0).Items(0).ImageOrientationArray 
      cell.FrameOfReferenceUID = output.Stacks(0).Items(0).FrameOfReferenceUID 
 
      Dim width As Integer = cell.VirtualImage(cell.ActiveSubCell).Image.Width 
      Dim height As Integer = cell.VirtualImage(cell.ActiveSubCell).Image.Height 
 
 
 
      Controls.Add(_medicalViewer) 
      _medicalViewer.Dock = DockStyle.Fill 
      DicomEngine.Shutdown() 
 
      AddHandler cell.MPRPolygonCreated, AddressOf cell_MPRPolygonCreated 
      AddHandler cell.PanoramicDataRequested, AddressOf cell_PanoramicDataRequested 
      AddHandler cell.MPRPolygonClicked, AddressOf cell_MPRPolygonClicked 
      AddHandler cell.Data3DRequested, AddressOf cell_Data3DRequested 
      cell.AutoDisposeInternalData = True 
 
   End Sub 
 
   Private Sub cell_Data3DRequested(ByVal sender As Object, ByVal e As MedicalViewerData3DRequestedEventArgs) 
      e.Succeed = Medical3DEngine.Provide3DInformation(e) 
   End Sub 
 
   Private Sub cell_MPRPolygonCreated(ByVal sender As Object, ByVal e As MedicalViewerMPRPolygonEventsArgs) 
      Dim cellSource As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) 
      Dim cell As MedicalViewerPanoramicCell = New MedicalViewerPanoramicCell(e.Polygon) 
 
      cell.AddAction(MedicalViewerActionType.WindowLevel) 
      cell.AddAction(MedicalViewerActionType.Scale) 
      cell.AddAction(MedicalViewerActionType.Offset) 
      cell.AddAction(MedicalViewerActionType.Stack) 
 
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.AllCells Or MedicalViewerActionFlags.RealTime) 
      cell.SetAction(MedicalViewerActionType.Stack, MedicalViewerMouseButtons.Wheel, MedicalViewerActionFlags.Active) 
      cell.SetAction(MedicalViewerActionType.Scale, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active) 
      _medicalViewer.Cells.Add(cell) 
 
      Dim paraxialCell As MedicalViewerParaxialCutCell = New MedicalViewerParaxialCutCell(e.Polygon, 0) 
      paraxialCell.ParaxialDistance = 20 
      paraxialCell.ParaxialLength = 200 
      _medicalViewer.Cells.Add(paraxialCell) 
 
      cellSource.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active) 
   End Sub 
 
   Private Sub cell_MPRPolygonClicked(ByVal sender As Object, ByVal e As MedicalViewerMPRPolygonClickedEventsArgs) 
      ' get the cell that contains the polygon clicked by the user. 
      Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) 
 
      ' get paraxial cell. 
      Dim paraxialCell As MedicalViewerParaxialCutCell = CType(_medicalViewer.Cells(2), MedicalViewerParaxialCutCell) 
 
      ' if the user clicks on other polygon lines, the paraxial cut will be assigned to that line 
      If (e.Button = MouseButtons.Left) AndAlso e.Type = MedicalViewerMPRPolygonHitTest.Body Then 
         paraxialCell.PolygonLineIndex = e.Index 
      End If 
   End Sub 
 
 
   Private Sub cell_PanoramicDataRequested(ByVal sender As Object, ByVal e As MedicalViewerPanoramicDataRequestedEventArgs) 
      Dim cell As MedicalViewerMultiCell = CType(sender, MedicalViewerMultiCell) 
      Dim _codecs As RasterCodecs = New RasterCodecs() 
 
      Dim fileName As String = CStr(_seriesManager.Stacks(0).Items(e.FrameIndex).Data) 
 
      e.Frame = _codecs.Load(fileName) 
   End Sub 
 
   Private Sub MedicalViewerLocalizer_FormClosing(ByVal sender As Object, ByVal e As FormClosingEventArgs) 
   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 GetMedicalViewerPolygonCreatedForm() As MedicalViewerPolygonCreatedForm 
   Dim form As MedicalViewerSeriesManagerFrom = New MedicalViewerSeriesManagerFrom() 
   Dim output As MedicalViewerSeriesManager = form.LoadJamesHead() 
 
   Return New MedicalViewerPolygonCreatedForm(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 MedicalViewerPolygonCreatedExample() 
   Dim myForm As MedicalViewerPolygonCreatedForm = GetMedicalViewerPolygonCreatedForm() 
   Dim medicalViewer As MedicalViewer = myForm.Viewer 
 
   MessageBox.Show("Click to draw a polygon using the left mouse click, each click will create a new point, when done double-click") 
   myForm.ShowDialog() 
End Sub 

Requirements

Target Platforms

Help Version 20.0.2019.3.11
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Leadtools.MedicalViewer Assembly