fix(segment groups): fix typing

Author: PaulHax

src/components/vtk/VtkLayerSliceRepresentation.vue

@@ -73,7 +73,9 @@ const applyLayerColoring = () => {
   if (!config) return;
 
   const cfun = sliceRep.property.getRGBTransferFunction(0);
-  const ofun = sliceRep.property.getScalarOpacity(0);
+  const ofun = sliceRep.property.getPiecewiseFunction(0);
+
+  if (!cfun || !ofun) throw new Error('Missing transfer functions');
 
   applyColoring({
     props: {

src/components/vtk/VtkSegmentationSliceRepresentation.vue

@@ -105,6 +105,8 @@ const applySegmentColoring = () => {
   const cfun = sliceRep.property.getRGBTransferFunction(0);
   const ofun = sliceRep.property.getPiecewiseFunction(0);
 
+  if (!cfun || !ofun) throw new Error('Missing transfer functions');
+
   cfun.removeAllPoints();
   ofun.removeAllPoints();
 
@@ -142,10 +144,12 @@ const config = computed(() =>
 );
 
 const outlineThickness = computed(() => config.value?.outlineThickness ?? 2);
+// @ts-expect-error vtk.js types are incomplete
 sliceRep.property.setUseLabelOutline(true);
 sliceRep.property.setUseLookupTableScalarRange(true);
 
 watchEffect(() => {
+  // @ts-expect-error vtk.js types are incomplete
   sliceRep.property.setLabelOutlineOpacity(config.value?.outlineOpacity ?? 1);
 });
 

src/io/state-file/schema.ts

@@ -218,6 +218,7 @@ const LayersConfig = z.object({
 
 const SegmentGroupConfig = z.object({
   outlineOpacity: z.number(),
+  outlineThickness: z.number(),
 }) satisfies z.ZodType<SegmentGroupConfig>;
 
 const ViewConfig = z.object({