LoadJsonAfterElementData Class (original) (raw)
Syntax
public class LoadJsonAfterElementData public ref class LoadJsonAfterElementData Example
using Leadtools.Dicom;
using Leadtools.Dicom.Common;
using Leadtools.Dicom.Common.Extensions;
using Leadtools;
using Leadtools.Dicom.Common.Linq.BasicDirectory;
using Leadtools.Dicom.Common.DataTypes;
using Leadtools.Codecs;
public void LoadJsonCallbackExample()
{
string dicomFileNameIn = Path.Combine(LEAD_VARS.ImagesDir,"DICOM", "image2.dcm");
string jsonFileNameOut = Path.Combine(LEAD_VARS.ImagesDir, "test.json");
string dicomFileNameOut = Path.Combine(LEAD_VARS.ImagesDir, "test.dcm");
// Initialize DICOM engine
DicomEngine.Startup();
DicomDataSet ds = new DicomDataSet();
// Load an existing DICOM file
ds.Load(dicomFileNameIn, DicomDataSetLoadFlags.None);
// Save as JSON to a file with no binary data
// For the demo, keep the json output file size small by skipping the pixel data
// Use the SaveJsonCallback delegate to customize the json file
DicomDataSetSaveJsonFlags jsonFlags =
DicomDataSetSaveJsonFlags.IgnoreBinaryData |
DicomDataSetSaveJsonFlags.TrimWhiteSpace;
ds.SaveJson(jsonFileNameOut, jsonFlags);
// Use a LoadmlCallback to read the customized json file
ds.LoadJson(jsonFileNameOut, DicomDataSetLoadJsonFlags.None, MyLoadJsonBeforeElementCallback, MyLoadJsonAfterElementCallback);
// Save the result -- there will be no pixel data
ds.Save(dicomFileNameOut, DicomDataSetSaveFlags.None);
DicomEngine.Shutdown();
}
private static bool MyLoadJsonBeforeElementCallback(LoadJsonBeforeElementData data)
{
// Remove Patient Birth Date
if (data.Tag == DicomTag.PatientBirthDate)
{
return false;
}
// Change the patient name
if (data.Tag == DicomTag.PatientName)
{
data.ElementValue = "NewLast^NewFirst";
}
// Write the elements to the consolee that have child elements
if (data.HasChildElements)
{
Console.WriteLine("Element {0} has child elements.", data.Tag);
}
return true;
}
private static void MyLoadJsonAfterElementCallback(LoadJsonAfterElementData data)
{
if (data.DicomElement.Tag == DicomTag.PixelData)
{
// here you could call one of the following to set the pixel data
// data.DicomDataSet.SetBinaryValue
// data.DicomDataSet.SetImage()
}
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images";
}
See Also
Reference
LoadJsonAfterElementData Members
Leadtools.Dicom.Common.Extensions Namespace
LoadJson(DicomDataSet,String,DicomDataSetLoadJsonFlags) Method
LoadJson(DicomDataSet,Stream,DicomDataSetLoadJsonFlags) Method
SaveJson(DicomDataSet,String,DicomDataSetSaveJsonFlags,SaveJsonCallback) Method
SaveJson(DicomDataSet,Stream,DicomDataSetSaveJsonFlags,SaveJsonCallback) Method
SaveJson(DicomDataSet,String,DicomDataSetSaveJsonFlags) Method
SaveJson(DicomDataSet,Stream,DicomDataSetSaveJsonFlags) Method
LoadJsonBeforeElementCallback Delegate
LoadJsonAfterElementCallback Delegate
Leadtools.Dicom.Common Assembly