From df321e909de887f9ee82e5477755f0886aa0ca98 Mon Sep 17 00:00:00 2001
From: RStolkerDeltares <roel.stolker@deltares.nl>
Date: Wed, 11 Mar 2026 15:20:07 +0100
Subject: [PATCH] GRIDEDIT-2228: Extended API for retrieving facebounds

---
 src/MeshKernelNET/Api/PropertyType.cs         |  7 +++-
 .../Api/MeshKernelApiTest.cs                  | 42 +++++++++++++++++++
 2 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/src/MeshKernelNET/Api/PropertyType.cs b/src/MeshKernelNET/Api/PropertyType.cs
index 4dea3e8..da5eb48 100644
--- a/src/MeshKernelNET/Api/PropertyType.cs
+++ b/src/MeshKernelNET/Api/PropertyType.cs
@@ -18,6 +18,11 @@ public enum PropertyType
         /// <summary>
         /// The circumcenter of the mesh faces.
         /// </summary>
-        FaceCircumcenter = 2
+        FaceCircumcenter = 2,
+        
+        /// <summary>
+        /// The bounding box of the mesh faces.
+        /// </summary>
+        FaceBounds = 4
     }
 }
\ No newline at end of file
diff --git a/test/MeshKernelNETTest/Api/MeshKernelApiTest.cs b/test/MeshKernelNETTest/Api/MeshKernelApiTest.cs
index 6586709..368db3f 100644
--- a/test/MeshKernelNETTest/Api/MeshKernelApiTest.cs
+++ b/test/MeshKernelNETTest/Api/MeshKernelApiTest.cs
@@ -2639,6 +2639,46 @@ public void Mesh2dGetPropertyFaceCircumcenterThroughApi()
             }
         }
         
+        [Test]
+        public void Mesh2dGetPropertyFaceBoundsThroughApi()
+        {
+            // Setup
+            using (var api = new MeshKernelApi())
+            using (DisposableMesh2D mesh = CreateMesh2D(4, 4, 100, 200))
+            {
+                var propertyValues = new DisposableGeometryList();
+                try
+                {
+                    // Prepare
+                    int id = api.AllocateState(0);
+                    Assert.That(api.Mesh2dSet(id, mesh), Is.EqualTo(0));
+
+                    // Execute
+                    Assert.That(api.Mesh2dGetProperty(id, PropertyType.FaceBounds, LocationType.Faces, out propertyValues), Is.EqualTo(0));
+
+                    // Assert
+                    Assert.That(propertyValues.NumberOfCoordinates, Is.EqualTo(54));
+                    Assert.That(propertyValues.XCoordinates[0], Is.EqualTo(0.0));
+                    Assert.That(propertyValues.YCoordinates[0], Is.EqualTo(0.0));
+                    Assert.That(propertyValues.XCoordinates[1], Is.EqualTo(100.0));
+                    Assert.That(propertyValues.YCoordinates[1], Is.EqualTo(0.0));
+                    Assert.That(propertyValues.XCoordinates[2], Is.EqualTo(100.0));
+                    Assert.That(propertyValues.YCoordinates[2], Is.EqualTo(200.0));
+                    Assert.That(propertyValues.XCoordinates[3], Is.EqualTo(0.0));
+                    Assert.That(propertyValues.YCoordinates[3], Is.EqualTo(200.0));
+                    Assert.That(propertyValues.XCoordinates[4], Is.EqualTo(-999.0));
+                    Assert.That(propertyValues.YCoordinates[4], Is.EqualTo(-999.0));
+                    Assert.That(propertyValues.XCoordinates[5], Is.EqualTo(-999.0));
+                    Assert.That(propertyValues.YCoordinates[5], Is.EqualTo(-999.0));
+                }
+                finally
+                {
+                    api.ClearState();
+                    propertyValues.Dispose();
+                }
+            }
+        }
+        
         [Test]
         [TestCase(PropertyType.Orthogonality, LocationType.Faces)]
         [TestCase(PropertyType.Orthogonality, LocationType.Nodes)]
@@ -2646,6 +2686,8 @@ public void Mesh2dGetPropertyFaceCircumcenterThroughApi()
         [TestCase(PropertyType.EdgeLength, LocationType.Nodes)]
         [TestCase(PropertyType.FaceCircumcenter, LocationType.Nodes)]
         [TestCase(PropertyType.FaceCircumcenter, LocationType.Edges)]
+        [TestCase(PropertyType.FaceBounds, LocationType.Edges)]
+        [TestCase(PropertyType.FaceBounds, LocationType.Nodes)]
         public void Mesh2dGetPropertyWithInvalidLocationThroughApi(PropertyType propertyType, LocationType locationType)
         {
             // Setup