3 files changed, 8 insertions, 5 deletions
diff --git a/src/client/northstar/dash-fields/HistogramField.ts b/src/client/northstar/dash-fields/HistogramField.ts
index f3365e73d..076516977 100644
--- a/src/client/northstar/dash-fields/HistogramField.ts
+++ b/src/client/northstar/dash-fields/HistogramField.ts
@@ -7,7 +7,7 @@ import { ObjectField } from "../../../new_fields/ObjectField";
 import { CurrentUserUtils } from "../../../server/authentication/models/current_user_utils";
 import { OmitKeys } from "../../../Utils";
 import { Deserializable } from "../../util/SerializationHelper";
-import { Copy, ToScriptString } from "../../../new_fields/FieldSymbols";
+import { Copy, ToScriptString, ToString } from "../../../new_fields/FieldSymbols";
 
 function serialize(field: HistogramField) {
     const obj = OmitKeys(field, ['Links', 'BrushLinks', 'Result', 'BrushColors', 'FilterModels', 'FilterOperand']).omit;
@@ -60,4 +60,7 @@ export class HistogramField extends ObjectField {
     [ToScriptString]() {
         return this.toString();
     }
+    [ToString]() {
+        return this.toString();
+    }
 }
 \ No newline at end of file
diff --git a/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts b/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts
index 3e9145a1b..6b36ffc9e 100644
--- a/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts
+++ b/src/client/northstar/dash-nodes/HistogramBinPrimitiveCollection.ts
@@ -3,7 +3,7 @@ import { AttributeTransformationModel } from "../../northstar/core/attribute/Att
 import { ChartType } from '../../northstar/model/binRanges/VisualBinRange';
 import { AggregateFunction, Bin, Brush, DoubleValueAggregateResult, HistogramResult, MarginAggregateParameters, MarginAggregateResult } from "../../northstar/model/idea/idea";
 import { ModelHelpers } from "../../northstar/model/ModelHelpers";
-import { LABColor } from '../../northstar/utils/LABcolor';
+import { LABColor } from '../../northstar/utils/LABColor';
 import { PIXIRectangle } from "../../northstar/utils/MathUtil";
 import { StyleConstants } from "../../northstar/utils/StyleContants";
 import { HistogramBox } from "./HistogramBox";
@@ -237,4 +237,4 @@ export class HistogramBinPrimitiveCollection {
         // }
         return StyleConstants.HIGHLIGHT_COLOR;
     }
-}
-\ No newline at end of file
+}
diff --git a/src/client/northstar/dash-nodes/HistogramBoxPrimitives.tsx b/src/client/northstar/dash-nodes/HistogramBoxPrimitives.tsx
index 5a16b3782..66d91cc1d 100644
--- a/src/client/northstar/dash-nodes/HistogramBoxPrimitives.tsx
+++ b/src/client/northstar/dash-nodes/HistogramBoxPrimitives.tsx
@@ -5,7 +5,7 @@ import { Utils as DashUtils, emptyFunction } from '../../../Utils';
 import { FilterModel } from "../../northstar/core/filter/FilterModel";
 import { ModelHelpers } from "../../northstar/model/ModelHelpers";
 import { ArrayUtil } from "../../northstar/utils/ArrayUtil";
-import { LABColor } from '../../northstar/utils/LABcolor';
+import { LABColor } from '../../northstar/utils/LABColor';
 import { PIXIRectangle } from "../../northstar/utils/MathUtil";
 import { StyleConstants } from "../../northstar/utils/StyleContants";
 import { HistogramBinPrimitiveCollection, HistogramBinPrimitive } from "./HistogramBinPrimitiveCollection";
@@ -119,4 +119,4 @@ export class HistogramBoxPrimitives extends React.Component<HistogramPrimitivesP
             </svg>
         </div>;
     }
-}
-\ No newline at end of file
+}