- TransferFunctionEditorWindow: Now displays the histogram and colour palette.
This commit is contained in:
Matias
Родитель
43bf2c36b5
Коммит
1419d545f0
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@ -17,8 +17,20 @@ public class TransferFunctionEditorWindow : EditorWindow
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wnd.Show();
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}
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private Material tfGUIMat = null;
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private Material tfPaletteGUIMat = null;
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private void OnEnable()
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{
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tfGUIMat = Resources.Load<Material>("TransferFunctionGUIMat");
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tfPaletteGUIMat = Resources.Load<Material>("TransferFunctionPaletteGUIMat");
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}
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private void OnGUI()
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{
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if (!Application.isPlaying)
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return;
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VolumeRenderer volRend = FindObjectOfType<VolumeRenderer>();
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if (volRend == null)
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return;
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@ -29,18 +41,22 @@ public class TransferFunctionEditorWindow : EditorWindow
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Rect bgRect = new Rect(0.0f, 0.0f, bgWidth, bgWidth * 0.5f);
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tf.GenerateTexture();
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Texture2D tfTexture = tf.GetTexture();
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GUI.DrawTexture(bgRect, tfTexture);
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GUI.color = Color.white;
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GUI.Box(new Rect(bgRect.x, bgRect.y + bgRect.height + 20, bgRect.width, 20.0f), "");
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tfGUIMat.SetTexture("_TFTex", tf.GetTexture());
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tfGUIMat.SetTexture("_HistTex", tf.histogramTexture);
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Graphics.DrawTexture(bgRect, tf.GetTexture(), tfGUIMat);
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Texture2D tfTexture = tf.GetTexture();
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tfPaletteGUIMat.SetTexture("_TFTex", tf.GetTexture());
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Graphics.DrawTexture(new Rect(bgRect.x, bgRect.y + bgRect.height + 20, bgRect.width, 20.0f), tfTexture, tfPaletteGUIMat);
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// Colour control points
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for (int iCol = 0; iCol < tf.colourControlPoints.Count; iCol++)
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{
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TFColourControlPoint colPoint = tf.colourControlPoints[iCol];
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Rect ctrlBox = new Rect(bgRect.x + bgRect.width * colPoint.dataValue, bgRect.y + bgRect.height + 20, 10, 20);
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GUI.color = colPoint.colourValue;
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GUI.color = Color.red;
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GUI.skin.box.fontSize = 8;
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GUI.Box(ctrlBox, "|");
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if (Event.current.type == EventType.MouseDown && Event.current.button == 0 && ctrlBox.Contains(new Vector2(Event.current.mousePosition.x, Event.current.mousePosition.y)))
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m_ShaderKeywords: MODE_DVR _MODE_DVR _MODE_MIP
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- _GlossMapScale: 1
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- _Glossiness: 0.5
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- _GlossyReflections: 1
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- _Metallic: 0
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- _Mode: 0
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- _OcclusionStrength: 1
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- _Parallax: 0.02
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- _SmoothnessTextureChannel: 0
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- _SpecularHighlights: 1
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- _SrcBlend: 1
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- _Stencil: 0
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- _StencilComp: 8
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- _StencilOp: 0
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- _Strength: 0.2
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- _UseUIAlphaClip: 0
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- _ZWrite: 1
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m_Colors:
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- _Color: {r: 1, g: 1, b: 1, a: 1}
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- _EmissionColor: {r: 0, g: 0, b: 0, a: 1}
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--- !u!21 &2100000
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m_ObjectHideFlags: 0
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m_PrefabParentObject: {fileID: 0}
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m_PrefabInternal: {fileID: 0}
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m_Name: TransferFunctionPaletteGUIMat
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@ -55,6 +55,8 @@ public class VolumeRenderer : MonoBehaviour
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Texture2D tfTexture = tf.GetTexture();
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tf.histogramTexture = HistogramTextureGenerator.GenerateHistogramTexture(dataset);
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GetComponent<MeshRenderer>().sharedMaterial.SetTexture("_DataTex", tex);
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GetComponent<MeshRenderer>().sharedMaterial.SetTexture("_NoiseTex", noiseTexture);
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GetComponent<MeshRenderer>().sharedMaterial.SetTexture("_TFTex", tfTexture);
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@ -0,0 +1,57 @@
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Shader "VolumeRendering/TransferFunctionPaletteShader"
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{
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Properties
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{
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_TFTex("Transfer Function Texture", 2D) = "white" {}
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}
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SubShader
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{
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Tags { "Queue" = "Transparent" "RenderType" = "Transparent" }
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LOD 100
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Blend SrcAlpha OneMinusSrcAlpha
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Pass
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{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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// make fog work
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#pragma multi_compile_fog
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#include "UnityCG.cginc"
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struct appdata
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{
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float4 vertex : POSITION;
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float2 uv : TEXCOORD0;
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};
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struct v2f
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{
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float2 uv : TEXCOORD0;
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UNITY_FOG_COORDS(1)
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float4 vertex : SV_POSITION;
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};
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sampler2D _TFTex;
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v2f vert (appdata v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.uv = v.uv;
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return o;
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}
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fixed4 frag (v2f i) : SV_Target
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{
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float4 col = tex2D(_TFTex, float2(i.uv.x, 0.0f));
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col.a = 1.0f;
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return col;
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}
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ENDCG
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}
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}
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}
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@ -0,0 +1,68 @@
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Shader "VolumeRendering/TransferFunctionShader"
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{
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Properties
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{
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_HistTex ("Histogram Texture", 2D) = "white" {}
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_TFTex("Transfer Function Texture", 2D) = "white" {}
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}
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SubShader
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{
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||||
Tags { "Queue" = "Transparent" "RenderType" = "Transparent" }
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LOD 100
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||||
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||||
Blend SrcAlpha OneMinusSrcAlpha
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Pass
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||||
{
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||||
CGPROGRAM
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||||
#pragma vertex vert
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#pragma fragment frag
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// make fog work
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||||
#pragma multi_compile_fog
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||||
#include "UnityCG.cginc"
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struct appdata
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{
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||||
float4 vertex : POSITION;
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||||
float2 uv : TEXCOORD0;
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};
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||||
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struct v2f
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{
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float2 uv : TEXCOORD0;
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UNITY_FOG_COORDS(1)
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float4 vertex : SV_POSITION;
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||||
};
|
||||
|
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sampler2D _HistTex;
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||||
sampler2D _TFTex;
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||||
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v2f vert (appdata v)
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{
|
||||
v2f o;
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||||
o.vertex = UnityObjectToClipPos(v.vertex);
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||||
o.uv = v.uv;
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||||
UNITY_TRANSFER_FOG(o,o.vertex);
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return o;
|
||||
}
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fixed4 frag (v2f i) : SV_Target
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{
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float density = i.uv.x;
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float histY = tex2D(_HistTex, float2(density, 0.0f)).r;
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float4 tfCol = tex2D(_TFTex, float2(density, 0.0f));
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float4 histCol = histY > i.uv.y ? float4(1.0f, 1.0f, 1.0f, 1.0f) : float4(0.0f, 0.0f, 0.0f, 0.0f);
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float alpha = tfCol.a;
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if (i.uv.y > alpha)
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tfCol.a = 0.0f;
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float4 col = histCol * 0.5f + tfCol * 0.7f;
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return col;
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||||
}
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ENDCG
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||||
}
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||||
}
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}
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@ -0,0 +1,9 @@
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fileFormatVersion: 2
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userData:
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assetBundleName:
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assetBundleVariant:
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@ -6,6 +6,8 @@ public class TransferFunction
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public List<TFColourControlPoint> colourControlPoints = new List<TFColourControlPoint>();
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public List<TFAlphaControlPoint> alphaControlPoints = new List<TFAlphaControlPoint>();
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||||
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public Texture2D histogramTexture = null;
|
||||
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private Texture2D texture = null;
|
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Color[] tfCols;
|
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@ -0,0 +1,27 @@
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using UnityEngine;
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public class HistogramTextureGenerator
|
||||
{
|
||||
public static Texture2D GenerateHistogramTexture(VolumeDataset dataset)
|
||||
{
|
||||
int numSamples = dataset.maxDataValue + 1;
|
||||
int[] values = new int[numSamples];
|
||||
Color[] cols = new Color[numSamples];
|
||||
Texture2D texture = new Texture2D(numSamples, 1, TextureFormat.RGBAFloat, false);
|
||||
|
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int maxFreq = 0;
|
||||
for (int iData = 0; iData < dataset.data.Length; iData++)
|
||||
{
|
||||
values[dataset.data[iData]] += 1;
|
||||
maxFreq = System.Math.Max(values[dataset.data[iData]], maxFreq);
|
||||
}
|
||||
|
||||
for (int iSample = 0; iSample < numSamples; iSample++)
|
||||
cols[iSample] = new Color(Mathf.Log10((float)values[iSample]) / Mathf.Log10((float)maxFreq), 0.0f, 0.0f, 1.0f);
|
||||
|
||||
texture.SetPixels(cols);
|
||||
texture.Apply();
|
||||
|
||||
return texture;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
fileFormatVersion: 2
|
||||
guid: f9bcab751cba35d4dbd074d22a7f194c
|
||||
MonoImporter:
|
||||
externalObjects: {}
|
||||
serializedVersion: 2
|
||||
defaultReferences: []
|
||||
executionOrder: 0
|
||||
icon: {instanceID: 0}
|
||||
userData:
|
||||
assetBundleName:
|
||||
assetBundleVariant:
|
||||
Загрузка…
Ссылка в новой задаче