public int CreateLayer(
DicomGraphicLayer graphicLayer
)
public:
int CreateLayer(
DicomGraphicLayer^ graphicLayer
)
graphicLayer
A Graphic Layer attributes , which holds the attributes of the layer to be created.
The index of the newly created layer.
If for example there are already 2 items under the "Graphic Layer Sequence" (0070,0060) and we call this method, then the index of the new layer will be 2. This method will fail and throw a DicomExceptionCode.Parameter exception if a layer with the same name as the new layer already exists in the Data Set.
This example will initialize a new DICOM dataset, insert a new layer with one graphic object and one text object.
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
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