From 20c53a173d52fe6c3e7ac881eacaa581b3c423aa Mon Sep 17 00:00:00 2001
From: Krad <kradchen123@163.com>
Date: Mon, 29 Aug 2022 09:23:38 +0800
Subject: [PATCH] Volume Rendering style.

---
 .../Rendering/Viewer/VolumeRenderingViewer.cpp | 18 +++++++++++++-----
 1 file changed, 13 insertions(+), 5 deletions(-)

diff --git a/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp b/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
index 790cf4e..e64f6b3 100644
--- a/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
+++ b/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
@@ -63,11 +63,16 @@ VolumeRenderingViewer::VolumeRenderingViewer()
         mapper->SetMinimumImageSampleDistance(1.0);
     }
     vtkNew<vtkColorTransferFunction> colorFun;
-    colorFun->SetScaleToLinear();
-    colorFun->AddRGBPoint(110.0,0.0,0.0,0.0);
-    colorFun->AddRGBPoint(121.0,0.5,0.25,0.125);
 
-    colorFun->AddRGBPoint(453.0,1.0,1,1);
+    colorFun->SetScaleToLinear();
+    colorFun->AddRGBPoint(80.0,0.0,0.0,0.0);
+    colorFun->AddRGBPoint(100.5,0.343,0.245,0.175);
+    colorFun->AddRGBPoint(300.0,0.9,0.6,0.3);
+    colorFun->AddRGBPoint(400.0,0.9,0.8,0.7);
+    colorFun->AddRGBPoint(500.0,1.,1.,1.);
+//    colorFun->ClampingOff();
+//    colorFun->AddRGBSegment(100.5,0.343,0.245,0.175,200.0,1.0,1.0,0.8);
+//    colorFun->AddRGBSegment(200.5,1.0,1.0,0.8,800.0,1.0,1.0,1);
     vtkNew<vtkPiecewiseFunction> opacityFun;
     opacityFun->AddPoint(120.5, 0.0);
 //    opacityFun->AddPoint(121.0, 1.0);
@@ -144,7 +149,7 @@ void VolumeRenderingViewer::InstallPipeline() {
         this->Renderer->AddVolume(this->VolumeActor);
         this->Renderer->AddViewProp(annotation);
         Renderer->AddObserver(vtkCommand::EndEvent,this,&VolumeRenderingViewer::printFrameRate);
-        this->Renderer->SetBackground(0.3, 0.3, 0.3);
+        this->Renderer->SetBackground(0.0, 0.0, 0.0);
     }
     //TODO: annotation for orientation
 }
@@ -239,7 +244,10 @@ void VolumeRenderingViewer::Render() {
     if (RenderWindow && Interactor){
         if (firstRender){
             firstRender = false;
+            RenderWindow->SetDesiredUpdateRate(Interactor->GetDesiredUpdateRate());
+            Interactor->InvokeEvent(vtkCommand::StartInteractionEvent, nullptr);
             SetViewDirection(0);
+            Render();
         }
         Interactor->Render();
     }