Leadtools.Dicom Namespace > DicomDataSet Class : OverlayCount Property |
public int OverlayCount {get;}
'Declaration Public ReadOnly Property OverlayCount As Integer
'Usage Dim instance As DicomDataSet Dim value As Integer value = instance.OverlayCount
public int OverlayCount {get;}
ObjectiveC Syntax
Java Syntax
get_OverlayCount();
Public Sub TestOverlay() Dim dicomFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Overlay.dcm") 'Make sure to initialize the DICOM engine, this needs to be done only once 'In the whole application DicomEngine.Startup() Dim ds As DicomDataSet = New DicomDataSet() Using (ds) 'Load DICOM File ds.Load(dicomFileName, DicomDataSetLoadFlags.None) If ds.OverlayCount > 0 Then Dim attributes As RasterOverlayAttributes = ds.GetOverlayAttributes(0) If Not attributes Is Nothing Then ' We can call in here methods like GetOverlayGroupNumber, IsOverlayInDataset ' and GetOverlayActivationLayer to get some further infromation about the overlay 'Let's get the overlay Image, If RasterOverlayAttributes.NumFramesInOverlay 'Is greater than 1 we can call GetOverlayImages to extract all the frames Dim overlayImage As RasterImage = ds.GetOverlayImage(0) If Not overlayImage Is Nothing Then Dim ds1 As DicomDataSet = New DicomDataSet() Using (ds1) ds1.Initialize(DicomClassType.DXImageStoragePresentation, DicomDataSetInitializeType.ExplicitVRLittleEndian) ds1.SetOverlayAttributes(0, attributes, DicomSetOverlayFlags.None) ds1.SetOverlayImage(0, overlayImage) 'We can call SetOverlayImages if the overlay has more than one frame ds1.Save(Path.Combine(LEAD_VARS.ImagesDir, "NewOverlay.dcm"), DicomDataSetSaveFlags.None) End Using End If End If End If End Using DicomEngine.Shutdown() End Sub Public NotInheritable Class LEAD_VARS Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" End Class
public void TestOverlay() { string dicomFileName = Path.Combine(LEAD_VARS.ImagesDir, "Overlay.dcm"); //Make sure to initialize the DICOM engine, this needs to be done only once //In the whole application DicomEngine.Startup(); using (DicomDataSet ds = new DicomDataSet()) { //Load DICOM File ds.Load(dicomFileName, DicomDataSetLoadFlags.None); if (ds.OverlayCount > 0) { RasterOverlayAttributes attributes = ds.GetOverlayAttributes(0); if (attributes != null) { // We can call in here methods like GetOverlayGroupNumber, IsOverlayInDataset // and GetOverlayActivationLayer to get some further infromation about the overlay //Let's get the overlay Image, If RasterOverlayAttributes.NumFramesInOverlay //Is greater than 1 we can call GetOverlayImages to extract all the frames RasterImage overlayImage = ds.GetOverlayImage(0); if (overlayImage != null) { using (DicomDataSet ds1 = new DicomDataSet()) { ds1.Initialize(DicomClassType.DXImageStoragePresentation, DicomDataSetInitializeType.ExplicitVRLittleEndian); ds1.SetOverlayAttributes(0, attributes, DicomSetOverlayFlags.None); ds1.SetOverlayImage(0, overlayImage);//We can call SetOverlayImages if the overlay has more than one frame ds1.Save(Path.Combine(LEAD_VARS.ImagesDir, "NewOverlay.dcm"), DicomDataSetSaveFlags.None); } } } } } DicomEngine.Shutdown(); } static class LEAD_VARS { public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images"; }
[TestMethod] public async Task TestOverlay() { //Make sure to initialize the DICOM engine, this needs to be done only once //In the whole application DicomEngine.Startup(); using (DicomDataSet ds = new DicomDataSet()) { //Load DICOM File string filePath = @"Assets\Overlay.dcm"; StorageFile file = await Tools.AppInstallFolder.GetFileAsync(filePath); ILeadStream stream = LeadStreamFactory.Create(file); bool success = await ds.LoadAsync(stream, DicomDataSetLoadFlags.None); Debug.Assert(success); if (ds.OverlayCount > 0) { RasterOverlayAttributes attributes = ds.GetOverlayAttributes(0); if (attributes != null) { // We can call in here methods like GetOverlayGroupNumber, IsOverlayInDataset // and GetOverlayActivationLayer to get some further infromation about the overlay //Let's get the overlay Image, If RasterOverlayAttributes.NumFramesInOverlay //Is greater than 1 we can call GetOverlayImages to extract all the frames RasterImage overlayImage = ds.GetOverlayImage(0); if (overlayImage != null) { using (DicomDataSet ds1 = new DicomDataSet()) { ds1.Initialize(DicomClassType.DXImageStoragePresentation, DicomDataSetInitializeType.ExplicitVRLittleEndian); ds1.SetOverlayAttributes(0, attributes, DicomSetOverlayFlags.None); ds1.SetOverlayImage(0, overlayImage);//We can call SetOverlayImages if the overlay has more than one frame string dicomFileNameOutput = "NewOverlay.dcm"; StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(dicomFileNameOutput); ILeadStream streamOutput = LeadStreamFactory.Create(saveFile); using (IDisposable disposableOUT = streamOutput as IDisposable) { await ds.SaveAsync(streamOutput, DicomDataSetSaveFlags.None); } } } } } } DicomEngine.Shutdown(); }
public void TestOverlay(Stream dicomStream, Stream outputStream) { //Make sure to initialize the DICOM engine, this needs to be done only once //In the whole application DicomEngine.Startup(); using (DicomDataSet ds = new DicomDataSet()) { //Load DICOM File ds.Load(dicomStream, DicomDataSetLoadFlags.None); if (ds.OverlayCount > 0) { RasterOverlayAttributes attributes = ds.GetOverlayAttributes(0); if (attributes != null) { // We can call in here methods like GetOverlayGroupNumber, IsOverlayInDataset // and GetOverlayActivationLayer to get some further infromation about the overlay //Let's get the overlay Image, If RasterOverlayAttributes.NumFramesInOverlay //Is greater than 1 we can call GetOverlayImages to extract all the frames RasterImage overlayImage = ds.GetOverlayImage(0); if (overlayImage != null) { using (DicomDataSet ds1 = new DicomDataSet()) { ds1.Initialize(DicomClassType.DXImageStoragePresentation, DicomDataSetInitializeType.ExplicitVRLittleEndian); ds1.SetOverlayAttributes(0, attributes, DicomSetOverlayFlags.None); ds1.SetOverlayImage(0, overlayImage);//We can call SetOverlayImages if the overlay has more than one frame ds1.Save(outputStream, DicomDataSetSaveFlags.None); } } } } } DicomEngine.Shutdown(); }
Public Sub TestOverlay(ByVal dicomStream As Stream, ByVal outputStream As Stream) 'Make sure to initialize the DICOM engine, this needs to be done only once 'In the whole application DicomEngine.Startup() Using ds As DicomDataSet = New DicomDataSet() 'Load DICOM File ds.Load(dicomStream, DicomDataSetLoadFlags.None) If ds.OverlayCount > 0 Then Dim attributes As RasterOverlayAttributes = ds.GetOverlayAttributes(0) If Not attributes Is Nothing Then ' We can call in here methods like GetOverlayGroupNumber, IsOverlayInDataset ' and GetOverlayActivationLayer to get some further infromation about the overlay 'Let's get the overlay Image, If RasterOverlayAttributes.NumFramesInOverlay 'Is greater than 1 we can call GetOverlayImages to extract all the frames Dim overlayImage As RasterImage = ds.GetOverlayImage(0) If Not overlayImage Is Nothing Then Using ds1 As DicomDataSet = New DicomDataSet() ds1.Initialize(DicomClassType.DXImageStoragePresentation, DicomDataSetInitializeType.ExplicitVRLittleEndian) ds1.SetOverlayAttributes(0, attributes, DicomSetOverlayFlags.None) ds1.SetOverlayImage(0, overlayImage) 'We can call SetOverlayImages if the overlay has more than one frame ds1.Save(outputStream, DicomDataSetSaveFlags.None) End Using End If End If End If End Using DicomEngine.Shutdown() End Sub
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