void Start() { tfPath = Application.dataPath + "/BildExport/TransferFunction.png"; render = GetComponent <Renderer>(); TransferFunction tf = new TransferFunction(); tf.reset(); tf.GenerateTexture(); Texture2D tfTexture = tf.GetTexture(); this.transferFunction = tf; if (File.Exists(tfPath)) { Texture2D tex = new Texture2D(512, 4); tex.LoadImage(File.ReadAllBytes(tfPath)); render.material.SetTexture("_TFTex", tex); Debug.Log("Transferfunktion von " + tfPath + " geladen"); } else { Debug.LogError("Keine TF bei " + tfPath + " gefudnen"); } const int noiseDimX = 512; const int noiseDimY = 512; noiseTexture = NoiseTextureGenerator.GenerateNoiseTexture(noiseDimX, noiseDimY); }
public VolumeRenderedObject CreateVolumeRenderedObject(VolumeDataset dataset) { GameObject go = GameObject.Instantiate(volumeObjectPrefab) as GameObject; go.transform.SetParent(Program.instance.operationOverlay.transform); go.transform.localPosition = new Vector3(-0.0083f, 0.0426f, 0.0083f); go.transform.rotation = Quaternion.Euler(-20f, 180f, 180f); VolumeRenderedObject volObj = go.GetComponent <VolumeRenderedObject>(); MeshRenderer meshRenderer = go.GetComponent <MeshRenderer>(); volObj.dataset = dataset; int dimX = dataset.dimX; int dimY = dataset.dimY; int dimZ = dataset.dimZ; int maxRange = dataset.maxDataValue - dataset.minDataValue; Color[] cols = new Color[dataset.data.Length]; for (int x = 0; x < dataset.dimX; x++) { for (int y = 0; y < dataset.dimY; y++) { for (int z = 0; z < dataset.dimZ; z++) { int iData = x + y * dimX + z * (dimX * dimY); int x1 = dataset.data[Mathf.Min(x + 1, dimX - 1) + y * dataset.dimX + z * (dataset.dimX * dataset.dimY)]; int x2 = dataset.data[Mathf.Max(x - 1, 0) + y * dataset.dimX + z * (dataset.dimX * dataset.dimY)]; int y1 = dataset.data[x + Mathf.Min(y + 1, dimY - 1) * dataset.dimX + z * (dataset.dimX * dataset.dimY)]; int y2 = dataset.data[x + Mathf.Max(y - 1, 0) * dataset.dimX + z * (dataset.dimX * dataset.dimY)]; int z1 = dataset.data[x + y * dataset.dimX + Mathf.Min(z + 1, dimZ - 1) * (dataset.dimX * dataset.dimY)]; int z2 = dataset.data[x + y * dataset.dimX + Mathf.Max(z - 1, 0) * (dataset.dimX * dataset.dimY)]; Vector3 grad = new Vector3((x2 - x1) / (float)maxRange, (y2 - y1) / (float)maxRange, (z2 - z1) / (float)maxRange); cols[iData] = new Color(grad.x, grad.y, grad.z, (float)dataset.data[iData] / (float)dataset.maxDataValue); } } } dataset.texture.SetPixels(cols); dataset.texture.Apply(); Texture3D tex = dataset.texture; const int noiseDimX = 512; const int noiseDimY = 512; Texture2D noiseTexture = NoiseTextureGenerator.GenerateNoiseTexture(noiseDimX, noiseDimY); TransferFunction tf = Program.instance.transferFunctionManager.CreateTransferFunction(); Texture2D tfTexture = tf.GetTexture(); volObj.transferFunction = tf; tf.histogramTexture = HistogramTextureGenerator.GenerateHistogramTexture(dataset); TransferFunction2D tf2D = new TransferFunction2D(); tf2D.AddBox(0.05f, 0.1f, 0.8f, 0.7f, Color.white, 0.4f); volObj.transferFunction2D = tf2D; meshRenderer.sharedMaterial.SetTexture("_DataTex", tex); meshRenderer.sharedMaterial.SetTexture("_NoiseTex", noiseTexture); meshRenderer.sharedMaterial.SetTexture("_TFTex", tfTexture); meshRenderer.sharedMaterial.EnableKeyword("MODE_DVR"); meshRenderer.sharedMaterial.DisableKeyword("MODE_MIP"); meshRenderer.sharedMaterial.DisableKeyword("MODE_SURF"); return(volObj); }
public static VolumeRenderedObject CreateObject(VolumeDataset dataset) { GameObject obj = GameObject.Instantiate((GameObject)Resources.Load("VolumeRenderedObject")); VolumeRenderedObject volObj = obj.GetComponent <VolumeRenderedObject>(); MeshRenderer meshRenderer = obj.GetComponent <MeshRenderer>(); volObj.dataset = dataset; int dimX = dataset.dimX; int dimY = dataset.dimY; int dimZ = dataset.dimZ; int maxRange = dataset.maxDataValue - dataset.minDataValue; Color[] cols = new Color[dataset.data.Length]; for (int x = 0; x < dataset.dimX; x++) { for (int y = 0; y < dataset.dimY; y++) { for (int z = 0; z < dataset.dimZ; z++) { int iData = x + y * dimX + z * (dimX * dimY); int x1 = dataset.data[Math.Min(x + 1, dimX - 1) + y * dataset.dimX + z * (dataset.dimX * dataset.dimY)]; int x2 = dataset.data[Math.Max(x - 1, 0) + y * dataset.dimX + z * (dataset.dimX * dataset.dimY)]; int y1 = dataset.data[x + Math.Min(y + 1, dimY - 1) * dataset.dimX + z * (dataset.dimX * dataset.dimY)]; int y2 = dataset.data[x + Math.Max(y - 1, 0) * dataset.dimX + z * (dataset.dimX * dataset.dimY)]; int z1 = dataset.data[x + y * dataset.dimX + Math.Min(z + 1, dimZ - 1) * (dataset.dimX * dataset.dimY)]; int z2 = dataset.data[x + y * dataset.dimX + Math.Max(z - 1, 0) * (dataset.dimX * dataset.dimY)]; Vector3 grad = new Vector3((x2 - x1) / (float)maxRange, (y2 - y1) / (float)maxRange, (z2 - z1) / (float)maxRange); cols[iData] = new Color(grad.x, grad.y, grad.z, (float)dataset.data[iData] / (float)dataset.maxDataValue); } } } dataset.texture.SetPixels(cols); dataset.texture.Apply(); Texture3D tex = dataset.texture; const int noiseDimX = 512; const int noiseDimY = 512; Texture2D noiseTexture = NoiseTextureGenerator.GenerateNoiseTexture(noiseDimX, noiseDimY); TransferFunction tf = new TransferFunction(); tf.AddControlPoint(new TFColourControlPoint(0.0f, new Color(0.11f, 0.14f, 0.13f, 1.0f))); tf.AddControlPoint(new TFColourControlPoint(0.2415f, new Color(0.469f, 0.354f, 0.223f, 1.0f))); tf.AddControlPoint(new TFColourControlPoint(0.3253f, new Color(1.0f, 1.0f, 1.0f, 1.0f))); tf.AddControlPoint(new TFAlphaControlPoint(0.0f, 0.0f)); tf.AddControlPoint(new TFAlphaControlPoint(0.1787f, 0.0f)); tf.AddControlPoint(new TFAlphaControlPoint(0.2f, 0.024f)); tf.AddControlPoint(new TFAlphaControlPoint(0.28f, 0.03f)); tf.AddControlPoint(new TFAlphaControlPoint(0.4f, 0.546f)); tf.AddControlPoint(new TFAlphaControlPoint(0.547f, 0.5266f)); tf.GenerateTexture(); Texture2D tfTexture = tf.GetTexture(); volObj.transferFunction = tf; tf.histogramTexture = HistogramTextureGenerator.GenerateHistogramTexture(dataset); TransferFunction2D tf2D = new TransferFunction2D(); tf2D.AddBox(0.05f, 0.1f, 0.8f, 0.7f, Color.white, 0.4f); volObj.transferFunction2D = tf2D; meshRenderer.sharedMaterial.SetTexture("_DataTex", tex); meshRenderer.sharedMaterial.SetTexture("_NoiseTex", noiseTexture); meshRenderer.sharedMaterial.SetTexture("_TFTex", tfTexture); meshRenderer.sharedMaterial.EnableKeyword("MODE_DVR"); meshRenderer.sharedMaterial.DisableKeyword("MODE_MIP"); meshRenderer.sharedMaterial.DisableKeyword("MODE_SURF"); return(volObj); }