Vr Property (original) (raw)

Summary

Gets a value representation of the DICOM element that is about to be added to the DicomDataSet.

Syntax

Property Value

The value representation DicomVR of the DICOM element that is about to be added to the DicomDataSet.

Remarks

Modifying Vr changes the value representation DicomVR of the DICOM element that is added to the DicomDataSet.

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"; }

Requirements

Target Platforms

See Also

LoadBeforeElementData Class

LoadBeforeElementData Members

Leadtools.Dicom.Common.Extensions Namespace

Leadtools.Dicom.Common Assembly