From c408ad20f496cc8a1b8e550e21c3c245008c0ef8 Mon Sep 17 00:00:00 2001
From: Georg Dangl <georg@dangl.me>
Date: Thu, 29 Aug 2024 15:34:40 +0200
Subject: [PATCH] When exporting section boxes from Revit, apply negated model
 transformations

---
 .../Services/RevitViewpointCreationService.cs                 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/IPA.Bcfier.Revit/Services/RevitViewpointCreationService.cs b/src/IPA.Bcfier.Revit/Services/RevitViewpointCreationService.cs
index 9c01974..d9a84c1 100644
--- a/src/IPA.Bcfier.Revit/Services/RevitViewpointCreationService.cs
+++ b/src/IPA.Bcfier.Revit/Services/RevitViewpointCreationService.cs
@@ -214,6 +214,10 @@ private static List<BcfViewpointClippingPlane> GetBcfClippingPlanes(UIDocument u
             }
 
             BoundingBoxXYZ sectionBox = view3D.GetSectionBox();
+
+            var transform = uiDocument.Document.ActiveProjectLocation.GetTransform().Inverse;
+            sectionBox.Transform = transform;
+
             XYZ transformedMin = sectionBox.Transform.OfPoint(sectionBox.Min);
             XYZ transformedMax = sectionBox.Transform.OfPoint(sectionBox.Max);
             Vector3 minCorner = transformedMin.ToVector3().ToMeters();