- RawDatasetImporter (WIP).

- NoiseTextureGenerator

Assets/Importing.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: a9c03434ec9e4124b83fc4630dc53023
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Importing/RawDatasetImporter.cs

@@ -0,0 +1,81 @@
+using System;
+using System.IO;
+using UnityEngine;
+
+public enum DataContentFormat
+{
+    Int8,
+    Uint8,
+    Int16,
+    Uint16,
+    Int32,
+    Uint32
+}
+
+public class RawDatasetImporter
+{
+    string filePath;
+    private int dimX;
+    private int dimY;
+    private int dimZ;
+    private DataContentFormat contentFormat;
+
+    public RawDatasetImporter(string filePath, int dimX, int dimY, int dimZ, DataContentFormat contentFormat)
+    {
+        this.filePath = filePath;
+        this.dimX = dimX;
+        this.dimY = dimY;
+        this.dimZ = dimZ;
+        this.contentFormat = contentFormat;
+    }
+
+    public VolumeDataset Import()
+    {
+        VolumeDataset dataset = new VolumeDataset();
+
+        FileStream fs = new FileStream(filePath, FileMode.Open);
+        BinaryReader reader = new BinaryReader(fs);
+
+        int uDimension = dimX * dimY * dimZ;
+        dataset.texture = new Texture3D(dimX, dimY, dimZ, TextureFormat.RGBAFloat, false);
+        dataset.colours = new Color[uDimension];
+
+        float minVal = float.PositiveInfinity;
+        float maxVal = float.NegativeInfinity;
+        float val = 0.0f;
+        for (int i = 0; i < uDimension; i++)
+        {
+            switch(contentFormat)
+            {
+                case DataContentFormat.Int8:
+                    val = (float)reader.ReadByte();
+                    break;
+                case DataContentFormat.Int16:
+                    val = (float)reader.ReadInt16();
+                    break;
+                case DataContentFormat.Int32:
+                    val = (float)reader.ReadInt32();
+                    break;
+                case DataContentFormat.Uint8:
+                    val = (float)reader.ReadByte();
+                    break;
+                case DataContentFormat.Uint16:
+                    val = (float)reader.ReadUInt16();
+                    break;
+                case DataContentFormat.Uint32:
+                    val = (float)reader.ReadUInt32();
+                    break;
+            }
+            minVal = Mathf.Min(minVal, val);
+            maxVal = Mathf.Max(maxVal, val);
+            dataset.colours[i] = new Color(val, 0.0f, 0.0f);
+        }
+        Debug.Log("Loaded dataset in range: " + minVal + "  -  " + maxVal);
+        Debug.Log(minVal + "  -  " + maxVal);
+
+        dataset.texture.SetPixels(dataset.colours);
+        dataset.texture.Apply();
+
+        return dataset;
+    }
+}

Assets/Importing/RawDatasetImporter.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 45cd99ee9f504d44ca6d48b0d06a6423
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/VolumeRenderer.cs

@@ -16,41 +16,21 @@ public class VolumeRenderer : MonoBehaviour
         ushort dimY = reader.ReadUInt16();
         ushort dimZ = reader.ReadUInt16();
 
+        reader.Close();
+        fs.Close();
+
         Debug.Log(dimX + ", " + dimY + ", " + dimZ);
 
         int uDimension = dimX * dimY * dimZ;
 
-        Texture3D tex = new Texture3D(dimX, dimY, dimZ, TextureFormat.RGBAFloat, false);
-        Color[] cols = new Color[uDimension];
-        float minVal = float.PositiveInfinity;
-        float maxVal = float.NegativeInfinity;
-        for(int i = 0; i < uDimension; i++)
-        {
-            float val = (float)reader.ReadInt16();
-            minVal = Mathf.Min(minVal, val);
-            maxVal = Mathf.Max(maxVal, val);
-            cols[i] = new Color(val, 0.0f, 0.0f);
-        }
-        Debug.Log(minVal + "  -  " + maxVal);
-        tex.SetPixels(cols);
-        tex.Apply();
+        RawDatasetImporter importer = new RawDatasetImporter("DataFiles//manix.dat", dimX, dimY, dimZ, DataContentFormat.Int16);
+        VolumeDataset dataset = importer.Import();
+
+        Texture3D tex = dataset.texture;
 
         const int noiseDimX = 512;
         const int noiseDimY = 512;
-
-        Texture2D noiseTexture = new Texture2D(noiseDimX, noiseDimY);
-        Color[] noiseCols = new Color[noiseDimX * noiseDimY];
-        for(int iY = 0; iY < noiseDimY; iY++)
-        {
-            for (int iX = 0; iX < noiseDimX; iX++)
-            {
-                float pixVal = Random.Range(0.0f, 1.0f);
-                noiseCols[iX + iY * noiseDimX] = new Color(pixVal, pixVal, pixVal);
-            }
-        }
-
-        noiseTexture.SetPixels(noiseCols);
-        noiseTexture.Apply();
+        Texture2D noiseTexture = NoiseTextureGenerator.GenerateNoiseTexture(noiseDimX, noiseDimY);
 
         tf = new TransferFunction();
         tf.AddControlPoint(new TFColourControlPoint(0.0f, new Color(0.11f, 0.14f, 0.13f, 1.0f)));

Assets/Utils.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 25442e9d1d762de439428ed034dc4c09
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Utils/NoiseTextureGenerator.cs

@@ -0,0 +1,22 @@
+using UnityEngine;
+
+public class NoiseTextureGenerator
+{
+    public static Texture2D GenerateNoiseTexture(int noiseDimX, int noiseDimY)
+    {
+        Texture2D noiseTexture = new Texture2D(noiseDimX, noiseDimY);
+        Color[] noiseCols = new Color[noiseDimX * noiseDimY];
+        for (int iY = 0; iY < noiseDimY; iY++)
+        {
+            for (int iX = 0; iX < noiseDimX; iX++)
+            {
+                float pixVal = Random.Range(0.0f, 1.0f);
+                noiseCols[iX + iY * noiseDimX] = new Color(pixVal, pixVal, pixVal);
+            }
+        }
+
+        noiseTexture.SetPixels(noiseCols);
+        noiseTexture.Apply();
+        return noiseTexture;
+    }
+}

Assets/Utils/NoiseTextureGenerator.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: ed6362746a619f540963023e61710552
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/VolumeData.meta

@@ -0,0 +1,8 @@
+fileFormatVersion: 2
+guid: 71839df0988a2de4cb18650e448bb973
+folderAsset: yes
+DefaultImporter:
+  externalObjects: {}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/VolumeData/VolumeDataset.cs

@@ -0,0 +1,8 @@
+using System;
+using UnityEngine;
+
+public class VolumeDataset
+{
+    public Color[] colours = null;
+    public Texture3D texture = null;
+}

Assets/VolumeData/VolumeDataset.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: 6c292ee2920c4d64989a78d4ed9abb7e
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: