From 08ce30e69c02528f92d9ffeb08777460823a704e Mon Sep 17 00:00:00 2001
From: Erik Ziegler <erik.sweed@gmail.com>
Date: Thu, 18 Jul 2019 07:54:53 +0200
Subject: [PATCH] @ohif/extension-vtk: Update VTK extension (#679)

---
 extensions/ohif-vtk-extension/package.json           |  6 +++---
 extensions/ohif-vtk-extension/src/OHIFVTKViewport.js | 12 ++++++++++++
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/extensions/ohif-vtk-extension/package.json b/extensions/ohif-vtk-extension/package.json
index c1aca08c5..1b9105bcf 100644
--- a/extensions/ohif-vtk-extension/package.json
+++ b/extensions/ohif-vtk-extension/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@ohif/extension-vtk",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "OHIF extension for VTK.js",
   "author": "OHIF",
   "license": "MIT",
@@ -39,8 +39,8 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.4.5",
-    "react-vtkjs-viewport": "0.0.9",
-    "vtk.js": "^8.11.0"
+    "react-vtkjs-viewport": "0.0.10",
+    "vtk.js": "^8.13.0"
   },
   "devDependencies": {
     "@babel/core": "^7.4.5",
diff --git a/extensions/ohif-vtk-extension/src/OHIFVTKViewport.js b/extensions/ohif-vtk-extension/src/OHIFVTKViewport.js
index a42ac75b3..abee33420 100644
--- a/extensions/ohif-vtk-extension/src/OHIFVTKViewport.js
+++ b/extensions/ohif-vtk-extension/src/OHIFVTKViewport.js
@@ -189,6 +189,18 @@ class OHIFVTKViewport extends Component {
     volumeActor.setMapper(volumeMapper);
     volumeMapper.setInputData(data);
 
+    // TODO: Should look into implementing autoAdjustSampleDistance in vtk
+    const sampleDistance =
+      1.2 *
+      Math.sqrt(
+        data
+          .getSpacing()
+          .map((v) => v * v)
+          .reduce((a, b) => a + b, 0)
+      );
+
+    volumeMapper.setSampleDistance(sampleDistance);
+
     volumeCache[displaySetInstanceUid] = volumeActor;
 
     return volumeActor;