XYZ clipping

Assets/Editor/VolumeRenderedObjectCustomInspector.cs

@@ -6,6 +6,7 @@ namespace UnityVolumeRendering
     [CustomEditor(typeof(VolumeRenderedObject))]
     public class VolumeRenderedObjectCustomInspector : Editor
     {
+        private bool clipSettings = false;
         private bool tfSettings = true;
         private bool lightSettings = true;
         private bool otherSettings = true;
@@ -20,6 +21,30 @@ public override void OnInspectorGUI()
             if (newRenderMode != oldRenderMode)
                 volrendObj.SetRenderMode(newRenderMode);
 
+            #region ClippingData
+            EditorGUILayout.Space();
+            clipSettings = EditorGUILayout.Foldout(clipSettings, "Clipping Settings");
+
+            if (clipSettings)
+            {
+                // Clip dim 1
+                Vector2 ClipDim1 = volrendObj.GetClipDim1();
+                EditorGUILayout.MinMaxSlider("Clipping Dimension x", ref ClipDim1.x, ref ClipDim1.y, 0.0f, 1.0f);
+
+                // Clip dim 2
+                Vector2 ClipDim2 = volrendObj.GetClipDim2();
+                EditorGUILayout.MinMaxSlider("Clipping Dimension y", ref ClipDim2.x, ref ClipDim2.y, 0.0f, 1.0f);
+
+                // Clip dim 3
+                Vector2 ClipDim3 = volrendObj.GetClipDim3();
+                EditorGUILayout.MinMaxSlider("Clipping Dimension y", ref ClipDim3.x, ref ClipDim3.y, 0.0f, 1.0f);
+
+                // setting clip dims
+                volrendObj.SetClipDims(ClipDim1, ClipDim2, ClipDim3);
+            }
+            #endregion EndClippingData
+
+
             // Visibility window
             Vector2 visibilityWindow = volrendObj.GetVisibilityWindow();
             EditorGUILayout.MinMaxSlider("Visible value range", ref visibilityWindow.x, ref visibilityWindow.y, 0.0f, 1.0f);

Assets/Materials/DirectVolumeRenderingMaterial.mat

@@ -92,5 +92,7 @@ Material:
     - _UVSec: 0
     - _ZWrite: 1
     m_Colors:
+    - _ClipDimMax: {r: 1, g: 1, b: 1, a: 1}
+    - _ClipDimMin: {r: 0, g: 0, b: 0, a: 1}
     - _Color: {r: 1, g: 1, b: 1, a: 1}
     - _EmissionColor: {r: 0, g: 0, b: 0, a: 1}

Assets/Scripts/VolumeObject/VolumeRenderedObject.cs

@@ -36,6 +36,13 @@ public class VolumeRenderedObject : MonoBehaviour
         private bool cubicInterpolationEnabled = false;
 
         private CrossSectionManager crossSectionManager;
+
+        [SerializeField, HideInInspector]
+        private Vector2 ClipDim1 = new Vector2(0.0f, 1.0f);
+        [SerializeField, HideInInspector]
+        private Vector2 ClipDim2 = new Vector2(0.0f, 1.0f);
+        [SerializeField, HideInInspector]
+        private Vector2 ClipDim3 = new Vector2(0.0f, 1.0f);
 
         public SlicingPlane CreateSlicingPlane()
         {
@@ -138,6 +145,47 @@ public Vector2 GetVisibilityWindow()
             return visibilityWindow;
         }
 
+        public void SetClipDims(Vector2 dim1, Vector2 dim2, Vector2 dim3)
+        {
+            bool different = false;
+
+            if (dim1 != ClipDim1)
+            {
+                ClipDim1 = dim1;
+                different = true;
+            }
+            if (dim2 != ClipDim2)
+            {
+                ClipDim2 = dim2;
+                different = true;
+            }
+            if (dim3 != ClipDim3)
+            {
+                ClipDim3 = dim3;
+                different = true;
+            }
+            if (different)
+            {
+                UpdateMaterialProperties();
+            }
+        }
+
+        public Vector2 GetClipDim1()
+        {
+            return ClipDim1;
+        }
+
+        public Vector2 GetClipDim2()
+        {
+            return ClipDim2;
+        }
+
+        public Vector2 GetClipDim3()
+        {
+            return ClipDim3;
+        }
+
+
         public bool GetRayTerminationEnabled()
         {
             return rayTerminationEnabled;
@@ -241,6 +289,9 @@ private void UpdateMaterialProperties()
             meshRenderer.sharedMaterial.SetFloat("_MaxVal", visibilityWindow.y);
             meshRenderer.sharedMaterial.SetVector("_TextureSize", new Vector3(dataset.dimX, dataset.dimY, dataset.dimZ));
 
+            meshRenderer.sharedMaterial.SetVector("_ClipDimMin", new Vector4(ClipDim1.x, ClipDim2.x, ClipDim3.x, 1f));
+            meshRenderer.sharedMaterial.SetVector("_ClipDimMax", new Vector4(ClipDim1.y, ClipDim2.y, ClipDim3.y, 1f));
+
             if (rayTerminationEnabled)
                 meshRenderer.sharedMaterial.EnableKeyword("RAY_TERMINATE_ON");
             else