2 files changed, 7 insertions, 22 deletions
diff --git a/src/client/northstar/operations/BaseOperation.ts b/src/client/northstar/operations/BaseOperation.ts
index c6d5f0a15..0d1361ebf 100644
--- a/src/client/northstar/operations/BaseOperation.ts
+++ b/src/client/northstar/operations/BaseOperation.ts
@@ -25,23 +25,6 @@ export abstract class BaseOperation {
 
     @computed
     public get FilterString(): string {
-
-        // let filterModels: FilterModel[] = [];
-        // return FilterModel.GetFilterModelsRecursive(this, new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), filterModels, true)
-        // if (this.OverridingFilters.length > 0) {
-        //     return "(" + this.OverridingFilters.filter(fm => fm !== null).map(fm => fm.ToPythonString()).join(" || ") + ")";
-        // }
-        // let rdg = MainManager.Instance.MainViewModel.FilterReverseDependencyGraph;
-        // let sliceModel = this.TypedViewModel.IncomingSliceModel;
-        // if (sliceModel !== null && sliceModel.Source !== null && instanceOfIBaseFilterProvider(sliceModel.Source) && rdg.has(sliceModel.Source)) {
-        //     let filterModels = sliceModel.Source.FilterModels.map(f => f);
-        //     return FilterModel.GetFilterModelsRecursive(rdg.get(sliceModel.Source), new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), filterModels, false);
-        // }
-
-        // if (rdg.has(this.TypedViewModel)) {
-        //     let filterModels = [];
-        //     return FilterModel.GetFilterModelsRecursive(rdg.get(this.TypedViewModel), new Set<GraphNode<BaseOperationViewModel, FilterLinkViewModel>>(), filterModels, true)
-        // }
         return "";
     }
 
diff --git a/src/client/northstar/operations/HistogramOperation.ts b/src/client/northstar/operations/HistogramOperation.ts
index 78b206bdc..74e23ea48 100644
--- a/src/client/northstar/operations/HistogramOperation.ts
+++ b/src/client/northstar/operations/HistogramOperation.ts
@@ -30,7 +30,7 @@ export class HistogramOperation extends BaseOperation implements IBaseFilterCons
     @observable public V: AttributeTransformationModel;
     @observable public SchemaName: string;
     @observable public QRange: QuantitativeBinRange | undefined;
-    @computed public get Schema() { return CurrentUserUtils.GetNorthstarSchema(this.SchemaName); }
+    public get Schema() { return CurrentUserUtils.GetNorthstarSchema(this.SchemaName); }
 
     constructor(schemaName: string, x: AttributeTransformationModel, y: AttributeTransformationModel, v: AttributeTransformationModel, normalized?: number) {
         super();
@@ -41,7 +41,11 @@ export class HistogramOperation extends BaseOperation implements IBaseFilterCons
         this.SchemaName = schemaName;
     }
 
-    Copy(): HistogramOperation {
+    public static Duplicate(op: HistogramOperation) {
+
+        return new HistogramOperation(op.SchemaName, op.X, op.Y, op.V, op.Normalization);
+    }
+    public Copy(): HistogramOperation {
         return new HistogramOperation(this.SchemaName, this.X, this.Y, this.V, this.Normalization);
     }
 
@@ -50,7 +54,7 @@ export class HistogramOperation extends BaseOperation implements IBaseFilterCons
     }
 
 
-    @computed public get FilterModels() {
+    public get FilterModels() {
         return this.BarFilterModels;
     }
     @action
@@ -71,9 +75,7 @@ export class HistogramOperation extends BaseOperation implements IBaseFilterCons
         return FilterModel.GetFilterModelsRecursive(this, new Set<IBaseFilterProvider>(), filterModels, true);
     }
 
-    @computed
     public get BrushString(): string[] {
-        trace();
         let brushes: string[] = [];
         this.BrushLinks.map(brushLink => {
             let brushHistogram = Cast(brushLink.b.data, HistogramField);