Imports Leadtools
Imports Leadtools.Dicom
Public Sub TestVoiLut()
Dim dicomFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "IMAGE3.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)
Dim VoiLutSize As Integer = 65536
'Load DICOM File
ds.Load(dicomFileName, DicomDataSetLoadFlags.None)
ds.DeleteVoiLut()
Dim VoiLutAttributes As DicomVoiLutAttributes = New DicomVoiLutAttributes()
VoiLutAttributes.FirstStoredPixelValueMapped = 0
VoiLutAttributes.EntryBits = 16
VoiLutAttributes.NumberOfEntries = VoiLutSize
Dim LutData As Integer() = New Integer(VoiLutSize - 1) {}
Dim i As Integer = 0
Do While i < VoiLutSize
LutData(i) = i
i += 1
Loop
ds.SetVoiLut(0, VoiLutAttributes, LutData)
Dim attributes As DicomVoiLutAttributes = ds.GetVoiLut(0)
If Not attributes Is Nothing Then
Debug.Assert(attributes.FirstStoredPixelValueMapped = 0)
Debug.Assert(attributes.EntryBits = 16)
Debug.Assert(attributes.NumberOfEntries = VoiLutSize)
Dim data As Integer() = ds.GetVoiLutData(0)
' Do something with the data
End If
ds.Save(Path.Combine(LEAD_VARS.ImagesDir, "VOILut.dcm"), DicomDataSetSaveFlags.None)
End Using
DicomEngine.Shutdown()
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
using Leadtools;
using Leadtools.Dicom;
public void TestVoiLut()
{
string dicomFileName = Path.Combine(LEAD_VARS.ImagesDir, "IMAGE3.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())
{
int VoiLutSize = 65536;
//Load DICOM File
ds.Load(dicomFileName, DicomDataSetLoadFlags.None);
ds.DeleteVoiLut();
DicomVoiLutAttributes VoiLutAttributes = new DicomVoiLutAttributes();
VoiLutAttributes.FirstStoredPixelValueMapped = 0;
VoiLutAttributes.EntryBits = 16;
VoiLutAttributes.NumberOfEntries = VoiLutSize;
int[] LutData = new int[VoiLutSize];
for (int i = 0; i < VoiLutSize; i++)
{
LutData[i] = i;
}
ds.SetVoiLut(0, VoiLutAttributes, LutData);
DicomVoiLutAttributes attributes = ds.GetVoiLut(0);
if (attributes != null)
{
Debug.Assert(attributes.FirstStoredPixelValueMapped == 0);
Debug.Assert(attributes.EntryBits == 16);
Debug.Assert(attributes.NumberOfEntries == VoiLutSize);
int[] data = ds.GetVoiLutData(0);
// Do something with the data
}
ds.Save(Path.Combine(LEAD_VARS.ImagesDir, "VOILut.dcm"), DicomDataSetSaveFlags.None);
}
DicomEngine.Shutdown();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
using Leadtools.Dicom.Constants;
using Leadtools;
using Leadtools.Dicom;
public async Task TestVoiLut()
{
//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())
{
int VoiLutSize = 65536;
//Load DICOM File
string filePath = @"Assets\IMAGE3.dcm";
StorageFile file = await Tools.AppInstallFolder.GetFileAsync(filePath);
ILeadStream stream = LeadStreamFactory.Create(file);
bool success = await ds.LoadAsync(stream, DicomDataSetLoadFlags.None);
Debug.Assert(success); ds.DeleteVoiLut();
DicomVoiLutAttributes VoiLutAttributes = new DicomVoiLutAttributes();
VoiLutAttributes.FirstStoredPixelValueMapped = 0;
VoiLutAttributes.EntryBits = 16;
VoiLutAttributes.NumberOfEntries = VoiLutSize;
int[] LutData = new int[VoiLutSize];
for (int i = 0; i < VoiLutSize; i++)
{
LutData[i] = i;
}
ds.SetVoiLut(0, VoiLutAttributes, LutData);
DicomVoiLutAttributes attributes = ds.GetVoiLut(0);
if (attributes != null)
{
Debug.Assert(attributes.FirstStoredPixelValueMapped == 0);
Debug.Assert(attributes.EntryBits == 16);
Debug.Assert(attributes.NumberOfEntries == VoiLutSize);
int[] data = ds.GetVoiLutData(0);
// Do something with the data
}
string dicomFileNameOutput = "VOILut.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();
}
using Leadtools;
using Leadtools.Dicom;
using Leadtools.Examples;
public void TestVoiLut(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())
{
int VoiLutSize = 65536;
//Load DICOM File
ds.Load(dicomStream, DicomDataSetLoadFlags.None);
ds.DeleteVoiLut();
DicomVoiLutAttributes VoiLutAttributes = new DicomVoiLutAttributes();
VoiLutAttributes.FirstStoredPixelValueMapped = 0;
VoiLutAttributes.EntryBits = 16;
VoiLutAttributes.NumberOfEntries = VoiLutSize;
int[] LutData = new int[VoiLutSize];
for (int i = 0; i < VoiLutSize; i++)
{
LutData[i] = i;
}
ds.SetVoiLut(0, VoiLutAttributes, LutData);
DicomVoiLutAttributes attributes = ds.GetVoiLut(0);
if (attributes != null)
{
Debug.Assert(attributes.FirstStoredPixelValueMapped == 0);
Debug.Assert(attributes.EntryBits == 16);
Debug.Assert(attributes.NumberOfEntries == VoiLutSize);
int[] data = ds.GetVoiLutData(0);
// Do something with the data
}
ds.Save(outputStream, DicomDataSetSaveFlags.None);
}
DicomEngine.Shutdown();
}
Imports Leadtools
Imports Leadtools.Dicom
Public Sub TestVoiLut(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()
Dim VoiLutSize As Integer = 65536
'Load DICOM File
ds.Load(dicomStream, DicomDataSetLoadFlags.None)
ds.DeleteVoiLut()
Dim VoiLutAttributes As DicomVoiLutAttributes = New DicomVoiLutAttributes()
VoiLutAttributes.FirstStoredPixelValueMapped = 0
VoiLutAttributes.EntryBits = 16
VoiLutAttributes.NumberOfEntries = VoiLutSize
Dim LutData As Integer() = New Integer(VoiLutSize - 1){}
Dim i As Integer = 0
Do While i < VoiLutSize
LutData(i) = i
i += 1
Loop
ds.SetVoiLut(0, VoiLutAttributes, LutData)
Dim attributes As DicomVoiLutAttributes = ds.GetVoiLut(0)
If Not attributes Is Nothing Then
Debug.Assert(attributes.FirstStoredPixelValueMapped = 0)
Debug.Assert(attributes.EntryBits = 16)
Debug.Assert(attributes.NumberOfEntries = VoiLutSize)
Dim data As Integer() = ds.GetVoiLutData(0)
' Do something with the data
End If
ds.Save(outputStream, DicomDataSetSaveFlags.None)
End Using
DicomEngine.Shutdown()
End Sub