From 0d0b6cc6b2ce37e626df15f947035ac0509b5c9f Mon Sep 17 00:00:00 2001
From: Ryan Schultz <ryan@openingdesign.com>
Date: Sat, 22 Nov 2025 15:40:47 -0600
Subject: [PATCH] Additional fixes to
 https://github.com/IfcOpenShell/IfcOpenShell/commit/57bc709b6fef6381bbb2810da15e568290c4a77a

---
 src/bonsai/bonsai/bim/module/drawing/decoration.py | 10 +++++++++-
 src/bonsai/bonsai/tool/drawing.py                  |  7 ++++++-
 2 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/bonsai/bonsai/bim/module/drawing/decoration.py b/src/bonsai/bonsai/bim/module/drawing/decoration.py
index 88c6d063e5..bf4972df2d 100644
--- a/src/bonsai/bonsai/bim/module/drawing/decoration.py
+++ b/src/bonsai/bonsai/bim/module/drawing/decoration.py
@@ -1203,7 +1203,11 @@ class PlanLevelDecorator(BaseDecorator):
             def get_text():
                 abs_z = verts[0].z
                 z = helper.get_relative_z(obj, element, abs_z)
-
+                
+                # Z is in meters (Blender world space), convert to project units (feet)
+                unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+                z = z / unit_scale  # Convert meters to feet
+                
                 rl = self.format_value(context, z, in_unit_length=True)
                 text = "{}{}".format("" if z < 0 else "+", rl)
                 return text
@@ -1277,6 +1281,10 @@ class SectionLevelDecorator(BaseDecorator):
 
             def get_text():
                 z = verts[0].z
+                # Z is in meters (Blender world space), convert to project units (feet)
+                unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+                z = z / unit_scale  # Convert meters to feet
+                
                 rl = self.format_value(context, z, in_unit_length=True)
                 text = "RL {}{}".format("" if z < 0 else "+", rl)
                 return text
diff --git a/src/bonsai/bonsai/tool/drawing.py b/src/bonsai/bonsai/tool/drawing.py
index ce0b392834..9e9bfcd43c 100644
--- a/src/bonsai/bonsai/tool/drawing.py
+++ b/src/bonsai/bonsai/tool/drawing.py
@@ -1625,7 +1625,12 @@ class Drawing(bonsai.core.tool.Drawing):
 
         xmin, xmax, ymin, ymax = helper.ortho_view_frame(camera.data)[:4]
         rl = ifcopenshell.util.placement.get_local_placement(storey.ObjectPlacement)[2][3]
-        y = (camera.matrix_world.inverted() @ Vector((0.0, 0.0, rl))).y
+        
+        # Convert RL from project units (feet) to meters for Blender world space
+        unit_scale = ifcopenshell.util.unit.calculate_unit_scale(tool.Ifc.get())
+        rl_meters = rl * unit_scale
+        
+        y = (camera.matrix_world.inverted() @ Vector((0.0, 0.0, rl_meters))).y
         if y < ymin or y > ymax:
             return