chore(release): publish [skip ci]

- @ohif/extension-vtk@1.9.3
 - @ohif/viewer@4.6.3

extensions/vtk/CHANGELOG.md

@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [1.9.3](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@1.9.2...@ohif/extension-vtk@1.9.3) (2020-12-03)
+
+**Note:** Version bump only for package @ohif/extension-vtk
+
+
+
+
+
 ## [1.9.2](https://github.com/OHIF/Viewers/compare/@ohif/extension-vtk@1.9.1...@ohif/extension-vtk@1.9.2) (2020-12-03)
 
 **Note:** Version bump only for package @ohif/extension-vtk

extensions/vtk/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/extension-vtk",
-  "version": "1.9.2",
+  "version": "1.9.3",
   "description": "OHIF extension for VTK.js",
   "author": "OHIF",
   "license": "MIT",

extensions/vtk/src/toolbarComponents/VTKMPRToolbarButton.js

@@ -31,7 +31,57 @@ const _isDisplaySetReconstructable = (viewportSpecificData = {}, activeViewportI
 
   if (!displaySet) {
     return false;
-  };
+  }
+
+  // 2D MPR is not currently available for 4D datasets.
+
+  // Assuming that slices at different time have the same position, here we just check if
+  // there are multiple slices for the same ImagePositionPatient and disable MPR.
+
+  // A better heuristic would be checking 4D tags, e.g. the presence of multiple TemporalPositionIdentifier values.
+  // However, some studies (e.g. https://github.com/OHIF/Viewers/issues/2113) do not have such tags.
+
+  for (let ii = 0; ii < displaySet.numImageFrames; ++ii){
+    const imageIdControl = displaySet.images[ii].getImageId()
+    const instanceMetadataControl = cornerstone.metaData.get('instance', imageIdControl)
+
+    if (!instanceMetadataControl ||
+      instanceMetadataControl === undefined ||
+      !instanceMetadataControl.ImagePositionPatient ||
+      instanceMetadataControl.ImagePositionPatient === undefined ) {
+      // if ImagePositionPatient is missing, skip the 4D datasets check.
+      // do not return false, because it could be a 3D dataset.
+      continue;
+    }
+
+    let xImagePositionPatientControl = instanceMetadataControl.ImagePositionPatient[0];
+    let yImagePositionPatientControl = instanceMetadataControl.ImagePositionPatient[1];
+    let zImagePositionPatientControl = instanceMetadataControl.ImagePositionPatient[2];
+
+    for (let jj = ii + 1; jj < displaySet.numImageFrames; ++jj){
+      const imageId = displaySet.images[jj].getImageId()
+      const instanceMetadata = cornerstone.metaData.get('instance', imageId)
+
+      if (!instanceMetadata ||
+        instanceMetadata === undefined ||
+        !instanceMetadata.ImagePositionPatient ||
+        instanceMetadata.ImagePositionPatient === undefined) {
+        // if ImagePositionPatient is missing, skip the 4D datasets check.
+        // do not return false, because it could be a 3D dataset.
+        continue;
+      }
+
+      let xImagePositionPatient = instanceMetadata.ImagePositionPatient[0];
+      let yImagePositionPatient = instanceMetadata.ImagePositionPatient[1];
+      let zImagePositionPatient = instanceMetadata.ImagePositionPatient[2];
+
+      if (xImagePositionPatientControl === xImagePositionPatient &&
+          yImagePositionPatientControl === yImagePositionPatient &&
+          zImagePositionPatientControl === zImagePositionPatient){
+        return false;
+      }
+    }
+  }
 
   return displaySet.isReconstructable;
 };

platform/viewer/CHANGELOG.md

@@ -3,6 +3,14 @@
 All notable changes to this project will be documented in this file.
 See [Conventional Commits](https://conventionalcommits.org) for commit guidelines.
 
+## [4.6.3](https://github.com/OHIF/Viewers/compare/@ohif/viewer@4.6.2...@ohif/viewer@4.6.3) (2020-12-03)
+
+**Note:** Version bump only for package @ohif/viewer
+
+
+
+
+
 ## [4.6.2](https://github.com/OHIF/Viewers/compare/@ohif/viewer@4.6.1...@ohif/viewer@4.6.2) (2020-12-03)
 
 **Note:** Version bump only for package @ohif/viewer

platform/viewer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/viewer",
-  "version": "4.6.2",
+  "version": "4.6.3",
   "description": "OHIF Viewer",
   "author": "OHIF Contributors",
   "license": "MIT",
@@ -58,7 +58,7 @@
     "@ohif/extension-dicom-rt": "^0.4.9",
     "@ohif/extension-dicom-segmentation": "^0.4.7",
     "@ohif/extension-lesion-tracker": "^0.2.1",
-    "@ohif/extension-vtk": "^1.9.2",
+    "@ohif/extension-vtk": "^1.9.3",
     "@ohif/i18n": "^0.53.0",
     "@ohif/ui": "^1.7.1",
     "@tanem/react-nprogress": "^1.1.25",