From f2f278d09c494c42b8096d98090bcf922774042e Mon Sep 17 00:00:00 2001
From: Alexandru Popovici <alexandrupopoviciioan@gmail.com>
Date: Fri, 9 Feb 2024 20:33:02 +0200
Subject: [PATCH] Added clearMeasurements functionality to the measurements
 extension (#2028)

---
 packages/viewer-sandbox/src/Sandbox.ts                   | 7 +++++++
 .../extensions/measurements/MeasurementsExtension.ts     | 9 +++++++++
 2 files changed, 16 insertions(+)

diff --git a/packages/viewer-sandbox/src/Sandbox.ts b/packages/viewer-sandbox/src/Sandbox.ts
index 5a447428aa..826fa445df 100644
--- a/packages/viewer-sandbox/src/Sandbox.ts
+++ b/packages/viewer-sandbox/src/Sandbox.ts
@@ -1192,6 +1192,13 @@ export default class Sandbox {
       .on('click', () => {
         this.viewer.getExtension(MeasurementsExtension).removeMeasurement()
       })
+    container
+      .addButton({
+        title: 'Delete All'
+      })
+      .on('click', () => {
+        this.viewer.getExtension(MeasurementsExtension).clearMeasurements()
+      })
   }
 
   private getBVHSize() {
diff --git a/packages/viewer/src/modules/extensions/measurements/MeasurementsExtension.ts b/packages/viewer/src/modules/extensions/measurements/MeasurementsExtension.ts
index 7182f2da89..35fa1e43bb 100644
--- a/packages/viewer/src/modules/extensions/measurements/MeasurementsExtension.ts
+++ b/packages/viewer/src/modules/extensions/measurements/MeasurementsExtension.ts
@@ -326,6 +326,15 @@ export class MeasurementsExtension extends Extension {
     }
   }
 
+  public clearMeasurements() {
+    this.removeMeasurement()
+    this.measurements.forEach((measurement: Measurement) => {
+      this.renderer.scene.remove(measurement)
+    })
+    this.measurements = []
+    this.viewer.requestRender()
+  }
+
   protected flashMeasurement() {
     let flashCount = 0
     const maxFlashCount = 5