LEADTOOLS Medical (Leadtools.MedicalViewer assembly)
LEAD Technologies, Inc

MedicalViewerSeriesLocalizer Class

Example 





Members 
the MedicalViewerSeriesLocalizer represents the localizer image.
Object Model
MedicalViewerSeriesLocalizer ClassMedicalViewerImageData Class
Syntax
public class MedicalViewerSeriesLocalizer 
'Declaration
 
Public Class MedicalViewerSeriesLocalizer 
'Usage
 
Dim instance As MedicalViewerSeriesLocalizer
public sealed class MedicalViewerSeriesLocalizer 
function Leadtools.MedicalViewer.MedicalViewerSeriesLocalizer()
public ref class MedicalViewerSeriesLocalizer 
Remarks
Example
 
Private Class MedicalViewerLocalizer : 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)

        ' 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)

        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
        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 example 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
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 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);

      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;

      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 example 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();
}
Requirements

Target Platforms: Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

See Also

Reference

MedicalViewerSeriesLocalizer Members
Leadtools.MedicalViewer Namespace

 

 


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