public ApplyVoiLookupTableCommand(
DicomLookupTableDescriptor lookupTableDescriptor,
short[] lookupTable,
VoiLookupTableCommandFlags flags
)
Public Function New( _
ByVal lookupTableDescriptor As DicomLookupTableDescriptor, _
ByVal lookupTable() As Short, _
ByVal flags As VoiLookupTableCommandFlags _
)
- (instancetype)initWithLookupTableDescriptor:(LTDicomLookupTableDescriptor*)lookupTableDescriptor
lookupTable:(const unsigned short *)lookupTable
lookupTableLength:(NSUInteger)lookupTableLength
flags:(LTVoiLookupTableCommandFlags)flags
public ApplyVoiLookupTableCommand(
DicomLookupTableDescriptor lookupTableDescriptor,
int[] lookupTable,
int flags
)
public:
ApplyVoiLookupTableCommand(
DicomLookupTableDescriptor^ lookupTableDescriptor,
array<short>^ lookupTable,
VoiLookupTableCommandFlags flags
)
lookupTableDescriptor
Structure describing the LookupTable. The following members are used:
Value | Meaning |
FirstStoredPixelValueMapped | Indicates the first index whose remapped value is stored in the LookupTable. All image display LookupTable entries which are less than this value will be remapped to LookupTable[0]. |
lookupTable
Array of short values which contains the lookup table. Its length determines the number of entries. All the pixels that are greater than FirstStoredPixelValueMapped + (LookupTable->Length) will be set to the last entry in the LookupTable (LookupTable[LookupTable->Length - 1]).
flags
Flags that determine the behavior of this method. These flags can be OR-ed together.
Run the ApplyVoiLookupTableCommand on an image.
using Leadtools;
using Leadtools.Codecs;
using Leadtools.ImageProcessing.Core;
public void ApplyVoiLookupTableConstructorExample()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE2.dcm"));
// Prepare the command
int i;
short[] pLookupTable = new short[0x10000];
DicomLookupTableDescriptor LookupTableDescriptor = new DicomLookupTableDescriptor();
for (i = 0; i < 0x10000; i++)
{
if (i < 30)
{
pLookupTable[i] = 0;
}
else
if (i > 630)
pLookupTable[i] = 630;
else
pLookupTable[i] = (short)i;
}
// Fill the LookupTableDescriptor object
LookupTableDescriptor.FirstStoredPixelValueMapped = 0;
LookupTableDescriptor.EntryBits = 16;
ApplyVoiLookupTableCommand command = new ApplyVoiLookupTableCommand(LookupTableDescriptor, pLookupTable, VoiLookupTableCommandFlags.None);
command.Run(image);
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images";
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing.Core
Public Sub ApplyVoiLookupTableConstructorExample()
Dim codecs As New RasterCodecs()
codecs.ThrowExceptionsOnInvalidImages = True
Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "IMAGE2.dcm"))
' Prepare the command
Dim i As Integer
Dim pLookupTable() As Short
ReDim pLookupTable(65536)
Dim LookupTableDescriptor As DicomLookupTableDescriptor = New DicomLookupTableDescriptor
For i = 0 To 65536
If (i < 30) Then
pLookupTable(i) = 0
Else
If (i > 630) Then
pLookupTable(i) = 630
Else
pLookupTable(i) = CType(i, Int16)
End If
End If
Next
' fill the LookupTableDescriptor object
LookupTableDescriptor.FirstStoredPixelValueMapped = 0
LookupTableDescriptor.EntryBits = 16
Dim command As ApplyVoiLookupTableCommand = New ApplyVoiLookupTableCommand(LookupTableDescriptor, pLookupTable, VoiLookupTableCommandFlags.None)
command.Run(leadImage)
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images"
End Class
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