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MedicalViewerReferenceLineProperties Class
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Leadtools.MedicalViewer Namespace : MedicalViewerReferenceLineProperties Class



The MedicalViewerReferenceLineProperties Class is available as an add-on to the LEADTOOLS Medical Imaging toolkits.

Represents the class that is used to create the MedicalViewerPlaneCutLine, and adjust to reference line properties of this cell.

Object Model

MedicalViewerReferenceLineProperties Class

Syntax

Visual Basic (Declaration) 
Public Class MedicalViewerReferenceLineProperties 
Visual Basic (Usage)Copy Code
Dim instance As MedicalViewerReferenceLineProperties
C# 
public class MedicalViewerReferenceLineProperties 
C++/CLI 
public ref class MedicalViewerReferenceLineProperties 

Example

Visual BasicCopy Code
Private Class MedicalViewerLocalizer : Inherits Form
   Private _medicalViewer As MedicalViewer
   Private _seriesManager As MedicalViewerSeriesManager
   Private Sub MedicalViewerLocalizer_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 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(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 action 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 click and drag the mouse button, the associated action will be activated.
      cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime)
      cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime)
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active Or MedicalViewerActionFlags.RealTime)

      cell.ReferenceLine.Enabled = True
      cell.ReferenceLine.Color = Color.Yellow
      cell.ShowCellBoundaries = True

      ' adjust some properties to 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
      cell.ImageOrientation = output.Stacks(0).Items(0).ImageOrientationArray

      index = 0
      Do While index < count
         cell.SetImagePosition(index, output.Stacks(0).Items(index).ImagePosition, (index = count - 1))
         index += 1
      Loop

      cell.FrameOfReferenceUID = output.Stacks(0).Items(0).FrameOfReferenceUID

      cell = New MedicalViewerMultiCell()
      Dim ds As DicomDataSet = New DicomDataSet()
      ds.Load("\\pc202\readwritefolder\DICOM Dataset\DICOM Volume datasets" & "\Miller James-CT Head full Study\0023\20345460", DicomDataSetLoadFlags.None)
      Dim patientElement As DicomElement = Nothing

      patientElement = ds.FindFirstElement(Nothing, DicomTag.ImagePositionPatient, True)

      Dim doubleArray As Double() = ds.GetDoubleValue(patientElement, 0, 3)

      cell.SetImagePosition(0, Point3D.FromDoubleArray(doubleArray), True)

      patientElement = ds.FindFirstElement(Nothing, DicomTag.FrameOfReferenceUID, True)

      Dim referenceUID As String = ds.GetConvertValue(patientElement)

      cell.FrameOfReferenceUID = referenceUID

      patientElement = ds.FindFirstElement(Nothing, DicomTag.ImageOrientationPatient, True)

      doubleArray = ds.GetDoubleValue(patientElement, 0, 6)

      cell.ImageOrientation = New Single() {CSng(doubleArray(0)), CSng(doubleArray(1)), CSng(doubleArray(2)), CSng(doubleArray(3)), CSng(doubleArray(4)), CSng(doubleArray(5))}

      patientElement = ds.FindFirstElement(Nothing, DicomTag.PixelSpacing, True)

      doubleArray = ds.GetDoubleValue(patientElement, 0, 2)
      cell.PixelSpacing = New Point2D(CSng(doubleArray(0)), CSng(doubleArray(1)))

      cell.ReferenceLine.Enabled = True
      cell.ReferenceLine.Color = Color.LightBlue
      cell.ShowCellBoundaries = True
      cell.Image = ds.GetImage(Nothing, 0, 0, RasterByteOrder.Gray, DicomGetImageFlags.AutoApplyVoiLut Or DicomGetImageFlags.AutoApplyModalityLut Or DicomGetImageFlags.AllowRangeExpansion)
      _medicalViewer.Cells.Add(cell)
      Controls.Add(_medicalViewer)
      _medicalViewer.Dock = DockStyle.Fill
      DicomEngine.Shutdown()
   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 GetMedicalViewerLocalizerControl() As MedicalViewerLocalizer
   Dim form As MedicalViewerSeriesManagerFrom = New MedicalViewerSeriesManagerFrom()
   Dim output As MedicalViewerSeriesManager = form.LoadJamesHead()

   Return New MedicalViewerLocalizer(output)
End Function

' This examples changes the default window level value by decrease the width by 100. Then resets the images based on the new value.

Public Sub MedicalViewerLocalizerExample()
   Dim myForm As MedicalViewerLocalizer = GetMedicalViewerLocalizerControl()
   Dim medicalViewer As MedicalViewer = myForm.Viewer

   myForm.ShowDialog()
End Sub
C#Copy Code
class MedicalViewerLocalizer : 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 MedicalViewerLocalizer(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 action 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 click and drag the mouse button, the associated action will be activated.
      cell.SetAction(MedicalViewerActionType.WindowLevel, MedicalViewerMouseButtons.Left, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime);
      cell.SetAction(MedicalViewerActionType.Alpha, MedicalViewerMouseButtons.Middle, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime);
      cell.SetAction(MedicalViewerActionType.Offset, MedicalViewerMouseButtons.Right, MedicalViewerActionFlags.Active | MedicalViewerActionFlags.RealTime);

      cell.ReferenceLine.Enabled = true;
      cell.ReferenceLine.Color = Color.Yellow;
      cell.ShowCellBoundaries = true;

      // adjust some properties to 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;

      cell = new MedicalViewerMultiCell();
      DicomDataSet ds = new DicomDataSet();
      ds.Load(@"\\pc202\readwritefolder\DICOM Dataset\DICOM Volume datasets" + "\\Miller James-CT Head full Study\\0023\\20345460", DicomDataSetLoadFlags.None);
      DicomElement patientElement = null;

      patientElement = ds.FindFirstElement(null,
                                           DicomTag.ImagePositionPatient,
                                           true);

      double[] doubleArray = ds.GetDoubleValue(patientElement, 0, 3);

      cell.SetImagePosition(0, Point3D.FromDoubleArray(doubleArray), true);

      patientElement = ds.FindFirstElement(null,
                                          DicomTag.FrameOfReferenceUID,
                                          true);

      string referenceUID = ds.GetConvertValue(patientElement);

      cell.FrameOfReferenceUID = referenceUID;

      patientElement = ds.FindFirstElement(null,
                                          DicomTag.ImageOrientationPatient,
                                          true);

      doubleArray = ds.GetDoubleValue(patientElement, 0, 6);

      cell.ImageOrientation = new float[] {(float)doubleArray[0], (float)doubleArray[1], (float)doubleArray[2], (float)doubleArray[3], (float)doubleArray[4], (float)doubleArray[5]};

      patientElement = ds.FindFirstElement(null,
                                           DicomTag.PixelSpacing,
                                           true);

      doubleArray = ds.GetDoubleValue(patientElement, 0, 2);
      cell.PixelSpacing = new Point2D((float)doubleArray[0], (float)doubleArray[1]);

      cell.ReferenceLine.Enabled = true;
      cell.ReferenceLine.Color = Color.LightBlue;
      cell.ShowCellBoundaries = true;
      cell.Image = ds.GetImage(null, 0, 0, RasterByteOrder.Gray, DicomGetImageFlags.AutoApplyVoiLut | DicomGetImageFlags.AutoApplyModalityLut | DicomGetImageFlags.AllowRangeExpansion);
      _medicalViewer.Cells.Add(cell);
      Controls.Add(_medicalViewer);
      _medicalViewer.Dock = DockStyle.Fill;
      DicomEngine.Shutdown();
   }

   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; }
   }
}

MedicalViewerLocalizer GetMedicalViewerLocalizerControl()
{
   MedicalViewerSeriesManagerFrom form = new MedicalViewerSeriesManagerFrom();
   MedicalViewerSeriesManager output = form.LoadJamesHead();

   return new MedicalViewerLocalizer(output);
}

// This examples changes the default window level value by decrease the width by 100. Then resets the images based on the new value.

public void MedicalViewerLocalizerExample()
{
   MedicalViewerLocalizer myForm = GetMedicalViewerLocalizerControl();
   MedicalViewer medicalViewer = myForm.Viewer;

   myForm.ShowDialog();
}

Remarks

To show the reference line of this cell on the other cells correctly, the following properties will need to set by retrieving their values from the Dicom Data Set:

Inheritance Hierarchy

System.Object
   Leadtools.MedicalViewer.MedicalViewerReferenceLineProperties

Requirements

Target Platforms: Microsoft .NET Framework 2.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7

See Also

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