Added optional downscaled option

Assets/Scripts/Importing/DICOMImporter.cs

@@ -65,7 +65,10 @@ namespace UnityVolumeRendering
 
             // Load all DICOM files
             List<DICOMSliceFile> files = new List<DICOMSliceFile>();
-            foreach (string filePath in fileCandidates)
+            
+            IEnumerable<string> sortedFiles = fileCandidates.OrderBy(s => s);
+            
+            foreach (string filePath in sortedFiles)
             {
                 DICOMSliceFile sliceFile = ReadDICOMFile(filePath);
                 if(sliceFile != null)
@@ -90,13 +93,10 @@ namespace UnityVolumeRendering
             return new List<DICOMSeries>(seriesByUID.Values);
         }
 
-        public VolumeDataset ImportDICOMSeries(DICOMSeries series)
+        public VolumeDataset ImportDICOMSeries(DICOMSeries series, bool forceDownScaling = false)
         {
             List<DICOMSliceFile> files = series.dicomFiles;
 
-            // Sort files by slice location
-            files.Sort((DICOMSliceFile a, DICOMSliceFile b) => { return a.location.CompareTo(b.location); });
-
             // Check if the series is missing the slice location tag
             bool needsCalcLoc = false;
             foreach (DICOMSliceFile file in files)
@@ -107,6 +107,9 @@ namespace UnityVolumeRendering
             // Calculate slice location from "Image Position" (0020,0032)
             if (needsCalcLoc)
                 CalcSliceLocFromPos(files);
+            
+            // Sort files by slice location
+            files.Sort((DICOMSliceFile a, DICOMSliceFile b) => { return a.location.CompareTo(b.location); });
 
             Debug.Log($"Importing {files.Count} DICOM slices");
 
@@ -156,6 +159,11 @@ namespace UnityVolumeRendering
                 dataset.scaleZ = Mathf.Abs(files[files.Count - 1].location - files[0].location);
             }
 
+            if (forceDownScaling)
+            {
+                dataset.DownScaleData();
+            }
+
             dataset.FixDimensions();
 
             return dataset;

Assets/Scripts/Importing/ImageSequenceImporter.cs

@@ -11,15 +11,18 @@ namespace UnityVolumeRendering
     public class ImageSequenceImporter
     {
         private string directoryPath;
+        private bool forceDownScaling;
         private string[] supportedImageTypes = new string[] 
         {
             "*.png",
             "*.jpg",
+            "*.jpeg"
         };
 
-        public ImageSequenceImporter(string directoryPath)
+        public ImageSequenceImporter(string directoryPath, bool forceDownScaling = false)
         {
             this.directoryPath = directoryPath;
+            this.forceDownScaling = forceDownScaling;
         }
 
         public VolumeDataset Import()
@@ -36,6 +39,11 @@ namespace UnityVolumeRendering
             int[] data = FillSequentialData(dimensions, imagePaths);
             VolumeDataset dataset = FillVolumeDataset(data, dimensions);
 
+            if (forceDownScaling)
+            {
+                dataset.DownScaleData();
+            }
+
             dataset.FixDimensions();
 
             return dataset;

Assets/Scripts/Importing/RawDatasetImporter.cs

@@ -29,8 +29,8 @@ namespace UnityVolumeRendering
         private DataContentFormat contentFormat;
         private Endianness endianness;
         private int skipBytes;
-
-        public RawDatasetImporter(string filePath, int dimX, int dimY, int dimZ, DataContentFormat contentFormat, Endianness endianness, int skipBytes)
+        private bool forceDownScaling;
+        public RawDatasetImporter(string filePath, int dimX, int dimY, int dimZ, DataContentFormat contentFormat, Endianness endianness, int skipBytes, bool forceDownScaling = false)
         {
             this.filePath = filePath;
             this.dimX = dimX;
@@ -39,12 +39,13 @@ namespace UnityVolumeRendering
             this.contentFormat = contentFormat;
             this.endianness = endianness;
             this.skipBytes = skipBytes;
+            this.forceDownScaling = forceDownScaling;
         }
 
         public VolumeDataset Import()
         {
             // Check that the file exists
-            if(!File.Exists(filePath))
+            if (!File.Exists(filePath))
             {
                 Debug.LogError("The file does not exist: " + filePath);
                 return null;
@@ -86,8 +87,13 @@ namespace UnityVolumeRendering
             reader.Close();
             fs.Close();
 
+            if (forceDownScaling)
+            {
+                dataset.DownScaleData();
+            }
+
             dataset.FixDimensions();
-            
+
             return dataset;
         }