From adcf67c593081fb111c5b2f7d342cb77cf55a4c1 Mon Sep 17 00:00:00 2001
From: MP <pellegrino.marco@icloud.com>
Date: Tue, 3 Sep 2024 15:27:18 +0200
Subject: [PATCH] :bug: surface support motion displacement

---
 .../Loads/Loads/SurfaceSupportMotionDefine.cs              | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/FemDesign.Grasshopper/Loads/Loads/SurfaceSupportMotionDefine.cs b/FemDesign.Grasshopper/Loads/Loads/SurfaceSupportMotionDefine.cs
index 513ef290..2117ca48 100644
--- a/FemDesign.Grasshopper/Loads/Loads/SurfaceSupportMotionDefine.cs
+++ b/FemDesign.Grasshopper/Loads/Loads/SurfaceSupportMotionDefine.cs
@@ -71,6 +71,11 @@ protected override void SolveInstance(IGH_DataAccess DA)
                 }
             }
 
+            if (displacements.Count != 1 && displacements.Count != 3)
+            {
+                throw new ArgumentException("`displacements` must contain 1 or 3 items.");
+            }
+
 
             // Convert geometry
             FemDesign.Geometry.Region region = surface.FromRhino();
@@ -94,7 +99,7 @@ protected override void SolveInstance(IGH_DataAccess DA)
             }
             else if(loadLocationValues.Count == 1 || loadLocationValues.Count == 0)
             {
-                obj = FemDesign.Loads.SurfaceSupportMotion.Uniform(region, direction, loadCase, comment);
+                obj = FemDesign.Loads.SurfaceSupportMotion.Uniform(region, displacements[0].FromRhino(), loadCase, comment);
             }