From 2341b326384607d00acec9e2972730dd50423a6a Mon Sep 17 00:00:00 2001
From: Erik Ziegler <erik.sweed@gmail.com>
Date: Thu, 19 Sep 2019 14:39:36 +0200
Subject: [PATCH] fix: Set transfer function range to data range when loading
 volumes in VTK (#930)

---
 extensions/vtk/src/OHIFVTKViewport.js | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/extensions/vtk/src/OHIFVTKViewport.js b/extensions/vtk/src/OHIFVTKViewport.js
index 63b46ce4b..ae1dd2c0d 100644
--- a/extensions/vtk/src/OHIFVTKViewport.js
+++ b/extensions/vtk/src/OHIFVTKViewport.js
@@ -189,6 +189,11 @@ class OHIFVTKViewport extends Component {
     volumeActor.setMapper(volumeMapper);
     volumeMapper.setInputData(data);
 
+    const range = data.getPointData().getScalars().getRange();
+
+    // TODO: For PET we might want to just set this to 0-5 SUV
+    volumeActor.getProperty().getRGBTransferFunction(0).setRange(range[0], range[1]);
+
     // TODO: Should look into implementing autoAdjustSampleDistance in vtk
     const sampleDistance =
       1.2 *