Update MeasureTool to fallback to default formattings when KoQs not found (#9043)

Author: hl662

common/changes/@itwin/core-frontend/nam-dta-fix-measure_2026-02-27-17-27.json

@@ -0,0 +1,10 @@
+{
+  "changes": [
+    {
+      "packageName": "@itwin/core-frontend",
+      "comment": "Update measure tool to fallback to QuantityType",
+      "type": "none"
+    }
+  ],
+  "packageName": "@itwin/core-frontend"
+}

core/frontend/src/tools/MeasureTool.ts

@@ -24,6 +24,7 @@ import { BeButtonEvent, BeModifierKeys, CoreTools, EventHandled, InputSource } f
 import { ToolAssistance, ToolAssistanceImage, ToolAssistanceInputMethod, ToolAssistanceInstruction, ToolAssistanceSection } from "./ToolAssistance";
 import { GraphicType } from "../common/render/GraphicType";
 import { FormatterSpec } from "@itwin/core-quantity";
+import { QuantityType } from "../quantity-formatting/QuantityFormatter";
 
 function translateBold(key: string) {
   return `<b>${CoreTools.translate(`Measure.Labels.${key}`)}:</b> `;
@@ -32,14 +33,32 @@ function translateBold(key: string) {
 async function getFormatterSpecByKoQAndPersistenceUnit(koq: string, persistenceUnitName: string): Promise<FormatterSpec | undefined> {
   const formatProps = await IModelApp.formatsProvider.getFormat(koq);
   if (undefined === formatProps)
-    return undefined;
+    return getFormatterSpecByQuantityType(koq);
+
   return IModelApp.quantityFormatter.createFormatterSpec({
     persistenceUnitName,
     formatProps,
     formatName: koq
   });
 }
 
+function getFormatterSpecByQuantityType(koq: string): FormatterSpec | undefined {
+  switch (koq) {
+    case "DefaultToolsUnits.LENGTH":
+      return IModelApp.quantityFormatter.findFormatterSpecByQuantityType(QuantityType.LengthEngineering);
+    case "DefaultToolsUnits.ANGLE":
+      return IModelApp.quantityFormatter.findFormatterSpecByQuantityType(QuantityType.Angle);
+    case "DefaultToolsUnits.AREA":
+      return IModelApp.quantityFormatter.findFormatterSpecByQuantityType(QuantityType.Area);
+    case "DefaultToolsUnits.VOLUME":
+      return IModelApp.quantityFormatter.findFormatterSpecByQuantityType(QuantityType.Volume);
+    case "DefaultToolsUnits.LENGTH_COORDINATE":
+      return IModelApp.quantityFormatter.findFormatterSpecByQuantityType(QuantityType.Coordinate);
+    default:
+      return undefined;
+  }
+}
+
 /** @internal */
 class MeasureLabel implements CanvasDecoration {
   public worldLocation = new Point3d();

test-apps/display-test-app/src/frontend/App.ts

@@ -15,8 +15,8 @@ import {
 } from "@itwin/core-common";
 import { EditTools } from "@itwin/editor-frontend";
 import {
-  AccuDrawHintBuilder, AccuDrawViewportUI, AccuSnap, IModelApp, IModelConnection, IpcApp, LocalhostIpcApp, LocalHostIpcAppOpts, RenderSystem, SelectionTool, SnapMode,
-  TileAdmin, Tool, ToolAdmin,
+  AccuDrawHintBuilder, AccuDrawViewportUI, AccuSnap, IModelApp, IModelConnection, IpcApp, LocalhostIpcApp, LocalHostIpcAppOpts, RenderSystem, SelectionTool,
+  SnapMode, TileAdmin, Tool, ToolAdmin,
   ViewManager,
 } from "@itwin/core-frontend";
 import { MobileApp, MobileAppOpts } from "@itwin/core-mobile/lib/cjs/MobileFrontend";