Sort DICOMs with IPPSorter

Author: PaulHax

packages/dicom/gdcm/image-sets-normalization.cxx

@@ -23,6 +23,8 @@
 #include "rapidjson/stringbuffer.h"
 #include "rapidjson/writer.h"
 
+#include "gdcmIPPSorter.h"
+
 int main(int argc, char *argv[])
 {
   itk::wasm::Pipeline pipeline("image-sets-normalization", "Group DICOM files into image sets", argc, argv);
@@ -35,13 +37,26 @@ int main(int argc, char *argv[])
 
   ITK_WASM_PARSE(pipeline);
 
+  gdcm::IPPSorter ipps;
+
+  ipps.SetComputeZSpacing(true);
+  bool success = ipps.Sort(files);
+  std::cout << "success: " << success << std::endl;
+
+  std::vector<std::string> sortedFileNames = ipps.GetFilenames();
+
   rapidjson::Document imageSetsJson;
-  imageSetsJson.SetObject();
   rapidjson::Document::AllocatorType &allocator = imageSetsJson.GetAllocator();
+  imageSetsJson.SetObject();
+
+  rapidjson::Value sortedFileNameArray(rapidjson::kArrayType);
+  for (const std::string& fileName : sortedFileNames) {
+    rapidjson::Value fileNameValue;
+    fileNameValue.SetString(fileName.c_str(), fileName.size(), allocator);
+    sortedFileNameArray.PushBack(fileNameValue, allocator);
+  }
 
-  rapidjson::Value almostEqualValue;
-  almostEqualValue.SetBool(false);
-  imageSetsJson.AddMember("", almostEqualValue, allocator);
+  imageSetsJson.AddMember("sortedFileNames", sortedFileNameArray, allocator);
 
   rapidjson::StringBuffer stringBuffer;
   rapidjson::Writer<rapidjson::StringBuffer> writer(stringBuffer);

packages/dicom/python/itkwasm-dicom-wasi/itkwasm_dicom_wasi/wasm_modules/image-sets-normalization.wasi.wasm

@@ -5,12 +5,19 @@
 
 def test_image_sets_normalization():
     files = [
+        test_input_path / "DicomImageOrientationTest" / "ImageOrientation.3.dcm",
         test_input_path / "DicomImageOrientationTest" / "ImageOrientation.1.dcm",
         test_input_path / "DicomImageOrientationTest" / "ImageOrientation.2.dcm",
-        test_input_path / "DicomImageOrientationTest" / "ImageOrientation.3.dcm",
     ]
 
     assert files[0].exists()
 
-    output_text = image_sets_normalization(files)
-    assert output_text
+    image_sets = image_sets_normalization(files)
+    assert image_sets
+
+    sorted_file_names = image_sets.get("sortedFileNames")
+    assert sorted_file_names == [
+        str(files[1]),
+        str(files[2]),
+        str(files[0]),
+    ]