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LEADTOOLS Medical (Leadtools.MedicalViewer assembly)
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MedicalViewerMPRPolygonEventsArgs Class






Members 
Leadtools.MedicalViewer Namespace : MedicalViewerMPRPolygonEventsArgs Class
The MedicalViewerMPRPolygonEventsArgs class provides data for the MedicalViewerCell.MPRPolygonCreated event.
Object Model
Syntax
public class MedicalViewerMPRPolygonEventsArgs : System.EventArgs
'Declaration   Public Class MedicalViewerMPRPolygonEventsArgs    Inherits System.EventArgs
'Usage   Dim instance As MedicalViewerMPRPolygonEventsArgs
public ref class MedicalViewerMPRPolygonEventsArgs : public System.EventArgs
Remarks
This class is sent by the event MedicalViewerCell.MPRPolygonCreated.

This event is fired when the user is done creating a polygon using the action MedicalViewerActionType.PanoramicPolygon.

The MPR polygon is used to render a panoramic image to be able to show a greater field of view.

Example
Copy Code   
Imports Leadtools
Imports Leadtools.Dicom
Imports Leadtools.Medical3D
Imports Leadtools.Codecs
Imports Leadtools.MedicalViewer
Imports Leadtools.Annotations.Core
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
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.Core;
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.
[TestMethod]
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();
}
Requirements

Target Platforms

See Also

Reference

MedicalViewerMPRPolygonEventsArgs Members
Leadtools.MedicalViewer Namespace

Error processing SSI file
Leadtools.MedicalViewer requires a Medical Imaging license and unlock key. For more information, refer to: Imaging Pro/Document/Medical Features