Gets the number of items under the VOI LUT Sequence (0028,3010).
Syntax
| Visual Basic (Declaration) | |
|---|
Public ReadOnly Property VoiLutCount As Integer |
| Visual Basic (Usage) |  Copy Code |
|---|
Dim instance As DicomDataSet
Dim value As Integer
value = instance.VoiLutCount
|
| C# | |
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public int VoiLutCount {get;} |
| C++/CLI | |
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public:
property int VoiLutCount {
int get();
} |
Return Value
The number of items under the VOI LUT Sequence.
Example
This example will load a DICOM dataset, update its VOI LUT and then verify that it
was updated properly.
| Visual Basic | Copy Code |
|---|
Public Sub TestVoiLut()
Dim dicomFileName As String = LeadtoolsExamples.Common.ImagesPath.Path + "IMAGE3.dic"
DicomEngine.Startup()
Dim ds As DicomDataSet = New DicomDataSet()
Using (ds)
Dim VoiLutSize As Integer = 65536
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)
End If
ds.Save(LeadtoolsExamples.Common.ImagesPath.Path + "VOILut.dic", DicomDataSetSaveFlags.None)
End Using
DicomEngine.Shutdown()
End Sub |
| C# | Copy Code |
|---|
public void TestVoiLut()
{
string dicomFileName = LeadtoolsExamples.Common.ImagesPath.Path + "IMAGE3.dic";
//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(LeadtoolsExamples.Common.ImagesPath.Path + "VOILut.dic", DicomDataSetSaveFlags.None);
}
DicomEngine.Shutdown();
} |
Remarks
Requirements
Target Platforms: Microsoft .NET Framework 3.0, Windows XP, Windows Server 2003 family, Windows Server 2008 family
See Also
