updated the build pipeline

Assets/Scripts/GeoDataUtils/GeoTileMetadata.cs

@@ -0,0 +1,26 @@
+using UnityEngine;
+
+/// <summary>
+/// Component attached to tile prefab roots to store geo metadata.
+/// Useful for positioning prefabs in scene or querying tile info at runtime.
+/// </summary>
+public class GeoTileMetadata : MonoBehaviour
+{
+    public string tileId;
+    public double xmin;
+    public double ymin;
+    public double globalMin;
+    public double globalMax;
+
+    /// <summary>
+    /// Returns the world position this tile should be placed at, given a global origin.
+    /// </summary>
+    public Vector3 GetWorldPosition(double originX, double originY)
+    {
+        return new Vector3(
+            (float)(xmin - originX),
+            (float)globalMin,
+            (float)(ymin - originY)
+        );
+    }
+}