From a9d0534b8ac3e6110b7eb3858ebd946b0780faa3 Mon Sep 17 00:00:00 2001
From: liqikun <liqikun@3dnest.cn>
Date: Fri, 24 May 2024 17:49:41 +0800
Subject: [PATCH] fix: createGeometryFromData Polygon

---
 src/base.ts            | 3 ++-
 src/polygon/polygon.ts | 7 +++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/base.ts b/src/base.ts
index 4d38881..82f7155 100644
--- a/src/base.ts
+++ b/src/base.ts
@@ -870,6 +870,7 @@ export default class Base {
 
   createGraphic(points: CesiumTypeOnly.Cartesian3[]): CesiumTypeOnly.Cartesian3[] {
     //Abstract method that must be implemented by subclasses.
-    return [new this.cesium.Cartesian3()];
+    // return [new this.cesium.Cartesian3()];
+	return points;
   }
 }
diff --git a/src/polygon/polygon.ts b/src/polygon/polygon.ts
index 3d447b5..2726caa 100644
--- a/src/polygon/polygon.ts
+++ b/src/polygon/polygon.ts
@@ -51,6 +51,13 @@ export default class Polygon extends Base {
     this.drawPolygon();
   }
 
+  createGraphic(positions: Cartesian3[]) {
+    const lnglatPoints = positions.map(this.cartesianToLnglat);
+    const coords = lnglatPoints.flat();
+    const cartesianPoints = this.cesium.Cartesian3.fromDegreesArray(coords);
+    return cartesianPoints;
+  }
+
   getPoints() {
     return this.points;
   }