C#
C++/CLI
public DicomElement GetLayerElementByIndex(
int layerIndex
)
public:
DicomElement^ GetLayerElementByIndex(
int layerIndex
)
layerIndex
The zero-based index of the graphic layer whose item element is required.
The item element of the specified graphic layer.
This method gets the item element under the "Graphic Layer Sequence" (0070,0060), which corresponds, to the layer at the specified index.
using Leadtools;
using Leadtools.Dicom;
public void DicomLayerSample()
{
//Make sure to initialize the DICOM engine, this needs to be done only once
//In the whole application
DicomEngine.Startup();
using (DicomDataSet dicomDataset = new DicomDataSet())
{
// We can also initialize in here the "Grayscale Softcopy Presentation State" class
dicomDataset.Initialize(DicomClassType.Undefined, DicomDataSetInitializeType.ExplicitVRLittleEndian);
//We can remove individual layers by calling RemoveLayerByIndex and RemoveLayerByName
dicomDataset.RemoveAllLayers(true);
DicomGraphicLayer graphicLayer = new DicomGraphicLayer();
graphicLayer.LayerOrder = 1;
graphicLayer.LayerDescription = "First Layer";
graphicLayer.LayerName = "LAYER0";
graphicLayer.Grayscale = 0;
graphicLayer.RgbLayerColor[0] = 255;
dicomDataset.CreateLayer(graphicLayer);
Debug.Assert(dicomDataset.GetLayerIndex("LAYER0") == 0);
DicomGraphicLayer graphicLayer1 = dicomDataset.GetLayerInformation(0);
Debug.Assert(graphicLayer1 != null);
Debug.Assert(graphicLayer1.LayerOrder == 1);
graphicLayer.LayerName = "LAYER1";
dicomDataset.SetLayerInformation(0, graphicLayer);
Debug.Assert(dicomDataset.LayerCount == 1);
// We can also call GetLayerElementByName to get the layer element
DicomElement layer = dicomDataset.GetLayerElementByIndex(0);
Debug.Assert(layer != null);
dicomDataset.RemoveLayerGraphicObjects(layer);
Debug.Assert(dicomDataset.GetLayerGraphicObjectCount(layer) == 0);
dicomDataset.RemoveLayerTextObjects(layer);
Debug.Assert(dicomDataset.GetLayerTextObjectCount(layer) == 0);
dicomDataset.Save(Path.Combine(LEAD_VARS.ImagesDir, "DICOM", "PresentationState.dcm"), DicomDataSetSaveFlags.None);
}
DicomEngine.Shutdown();
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
GetLayerGraphicObjectCount Method
RemoveLayerGraphicObjects Method