From b63dfd5be9e31950bdc325791527a1a3ec372333 Mon Sep 17 00:00:00 2001
From: Krad <kradchen123@163.com>
Date: Tue, 16 Aug 2022 09:22:22 +0800
Subject: [PATCH] Data setter and simple Render.

---
 src/src/Rendering/Viewer/VolumeRenderingViewer.cpp | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp b/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
index c0e5e82..356fb54 100644
--- a/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
+++ b/src/src/Rendering/Viewer/VolumeRenderingViewer.cpp
@@ -160,13 +160,15 @@ void VolumeRenderingViewer::SetRenderer(vtkRenderer *arg) {
 }
 
 void VolumeRenderingViewer::Render() {
-
+    if (RenderWindow)RenderWindow->Render();
 }
 
 void VolumeRenderingViewer::SetInputData(vtkImageData *in) {
-
+    if (in && in != this->VolumeMapper->GetInput()){
+        this->VolumeMapper->SetInputData(in);
+    }
 }
 
 vtkImageData *VolumeRenderingViewer::GetInput() {
-    return nullptr;
+    return this->VolumeMapper->GetInput();
 }