Convert a loaded image to segment group

src/components/ImageDataBrowser.vue

@@ -4,6 +4,7 @@ import ItemGroup from '@/src/components/ItemGroup.vue';
 import GroupableItem from '@/src/components/GroupableItem.vue';
 import ImageListCard from '@/src/components/ImageListCard.vue';
 import { createVTKImageThumbnailer } from '@/src/core/thumbnailers/vtk-image';
+import { useSegmentGroupStore } from '@/src/store/segmentGroups';
 import { useImageStore } from '../store/datasets-images';
 import { useDICOMStore } from '../store/datasets-dicom';
 import {
@@ -30,6 +31,7 @@ export default defineComponent({
     const dicomStore = useDICOMStore();
     const dataStore = useDatasetStore();
     const layersStore = useLayersStore();
+    const segmentGroupStore = useSegmentGroupStore();
 
     const primarySelection = computed(() => dataStore.primarySelection);
 
@@ -62,7 +64,8 @@ export default defineComponent({
         const isLayer = layerImageIDs.includes(id);
         const layerLoaded = loadedLayerImageIDs.includes(id);
         const layerLoading = isLayer && !layerLoaded;
-        const layerable = id !== selectedImageID && primarySelection.value;
+        const layerable =
+          id !== selectedImageID && primarySelection.value != null;
         return {
           id,
           cacheKey: imageCacheKey(id),
@@ -132,6 +135,15 @@ export default defineComponent({
       selected.value = [];
     }
 
+    function convertToLabelMap(key: string) {
+      if (primarySelection.value) {
+        segmentGroupStore.convertImageToLabelmap(
+          { type: 'image', dataID: key },
+          primarySelection.value
+        );
+      }
+    }
+
     function removeData(id: string) {
       imageStore.deleteData(id);
     }
@@ -143,6 +155,7 @@ export default defineComponent({
       toggleSelectAll,
       removeSelection,
       removeData,
+      convertToLabelMap,
       images,
       thumbnails,
       primarySelection,
@@ -244,6 +257,24 @@ export default defineComponent({
                       <span v-else>Add as layer</span>
                     </template>
                   </v-list-item>
+                  <v-list-item
+                    @click="
+                      image.layerable ? convertToLabelMap(image.id) : null
+                    "
+                  >
+                    <v-icon v-if="!image.layerable" class="mr-1"
+                      >mdi-alert</v-icon
+                    >
+                    Convert to Segment Group
+                    <v-tooltip
+                      activator="parent"
+                      location="end"
+                      max-width="200px"
+                      :disabled="image.layerable"
+                    >
+                      Must load a background image before converting
+                    </v-tooltip>
+                  </v-list-item>
                   <v-list-item @click="removeData(image.id)">
                     Delete
                   </v-list-item>

src/components/SegmentGroupControls.vue

@@ -1,6 +1,9 @@
 <script setup lang="ts">
 import SegmentList from '@/src/components/SegmentList.vue';
 import { useCurrentImage } from '@/src/composables/useCurrentImage';
+import { selectionEquals, useDatasetStore } from '@/src/store/datasets';
+import { useDICOMStore } from '@/src/store/datasets-dicom';
+import { useImageStore } from '@/src/store/datasets-images';
 import { useSegmentGroupStore } from '@/src/store/segmentGroups';
 import { usePaintToolStore } from '@/src/store/tools/paint';
 import { Maybe } from '@/src/types';
@@ -10,6 +13,9 @@ const UNNAMED_GROUP_NAME = 'Unnamed Segment Group';
 
 const segmentGroupStore = useSegmentGroupStore();
 const { currentImageID } = useCurrentImage();
+const imageStore = useImageStore();
+const dicomStore = useDICOMStore();
+const dataStore = useDatasetStore();
 
 const currentSegmentGroups = computed(() => {
   if (!currentImageID.value) return [];
@@ -110,14 +116,40 @@ function createSegmentGroup() {
 
   startEditing(id);
 }
+
+// Filter and collect all acceptable images, excluding
+// the current background image, that can be converted into
+// a SegmentGroup (labelmap) for the current background image.
+const nonDICOMImages = computed(() => {
+  const primarySelection = dataStore.primarySelection;
+  const ids = imageStore.idList.filter(
+    (id) =>
+      !(id in dicomStore.imageIDToVolumeKey) &&
+      primarySelection &&
+      !selectionEquals({ type: 'image', dataID: id }, primarySelection)
+  );
+  return ids.map((id) => ({ id, name: imageStore.metadata[id].name }));
+});
+
+function createSegmentGroupFromImage(selectedImageID: string) {
+  if (!selectedImageID) {
+    throw new Error('Cannot create a labelmap without a base image');
+  }
+  const primarySelection = dataStore.primarySelection;
+  if (primarySelection) {
+    segmentGroupStore.convertImageToLabelmap(
+      { type: 'image', dataID: selectedImageID },
+      primarySelection
+    );
+  }
+}
 </script>
 
 <template>
   <div class="my-2" v-if="currentImageID">
     <div
-      class="text-grey text-subtitle-2 d-flex flex-row align-center justify-space-between mb-2"
+      class="text-grey text-subtitle-2 d-flex align-center justify-space-evenly mb-2"
     >
-      <div>Segment Groups</div>
       <v-btn
         variant="tonal"
         color="secondary"
@@ -126,6 +158,33 @@ function createSegmentGroup() {
       >
         <v-icon class="mr-1">mdi-plus</v-icon> New Group
       </v-btn>
+      <v-menu location="bottom">
+        <template v-slot:activator="{ props }">
+          <v-btn
+            variant="tonal"
+            color="secondary"
+            density="compact"
+            v-bind="props"
+          >
+            <v-icon class="mr-1">mdi-chevron-down</v-icon>From Image
+          </v-btn>
+        </template>
+        <v-list v-if="nonDICOMImages.length !== 0">
+          <v-list-item
+            v-for="(item, index) in nonDICOMImages"
+            :key="index"
+            @click="createSegmentGroupFromImage(item.id)"
+          >
+            {{ item.name }}
+            <v-tooltip activator="parent" location="end" max-width="200px">
+              Convert to segment group
+            </v-tooltip>
+          </v-list-item>
+        </v-list>
+        <v-list v-else>
+          <v-list-item class="font-italic" title="No eligible images found" />
+        </v-list>
+      </v-menu>
     </div>
     <v-divider />
     <v-radio-group