Get batting thickness from decorator data

src/blenderbim/blenderbim/bim/module/drawing/data.py

@@ -17,6 +17,7 @@
 # along with BlenderBIM Add-on.  If not, see <http://www.gnu.org/licenses/>.
 
 import bpy
+import ifcopenshell.util.element
 import ifcopenshell.util.representation
 import blenderbim.tool as tool
 
@@ -27,6 +28,7 @@ def refresh():
     SheetsData.is_loaded = False
     SchedulesData.is_loaded = False
     DrawingsData.is_loaded = False
+    DecoratorData.data = {}
 
 
 class ProductAssignmentsData:
@@ -121,3 +123,19 @@ class SchedulesData:
     @classmethod
     def total_schedules(cls):
         return len([d for d in tool.Ifc.get().by_type("IfcDocumentInformation") if d.Scope == "SCHEDULE"])
+
+
+class DecoratorData:
+    data = {}
+
+    @classmethod
+    def get_batting_thickness(cls, obj):
+        result = cls.data.get(obj.name, None)
+        if result is not None:
+            return result
+        element = tool.Ifc.get_entity(obj)
+        if element:
+            result = ifcopenshell.util.element.get_pset(element, "BBIM_Batting", "Thickness") or 5.0
+            cls.data[obj.name] = result
+            return result
+        return 5.0

src/blenderbim/blenderbim/bim/module/drawing/decoration.py

@@ -26,6 +26,7 @@ import bmesh
 import ifcopenshell
 import blenderbim.tool as tool
 import blenderbim.bim.module.drawing.helper as helper
+from math import acos, pi
 from functools import reduce
 from itertools import chain
 from bpy.types import SpaceView3D
@@ -33,7 +34,7 @@ from mathutils import Vector, Matrix
 from bpy_extras.view3d_utils import location_3d_to_region_2d
 from gpu.types import GPUShader, GPUBatch, GPUIndexBuf, GPUVertBuf, GPUVertFormat
 from gpu_extras.batch import batch_for_shader
-from math import acos, pi
+from blenderbim.bim.module.drawing.data import DecoratorData
 
 
 def ccw(A, B, C):
@@ -1423,7 +1424,13 @@ class BattingDecorator(BaseDecorator):
             verts, idxs = self.get_editmesh_geom(obj)
         else:
             verts, idxs = self.get_mesh_geom(obj)
-        self.draw_lines(context, obj, verts[:2], idxs, extra_float_kwargs={"batting_thickness": 32.0})
+        self.draw_lines(
+            context,
+            obj,
+            verts[:2],
+            idxs,
+            extra_float_kwargs={"batting_thickness": DecoratorData.get_batting_thickness(obj)},
+        )
 
 
 class GridDecorator(BaseDecorator):