Introduces a toggle to turn on/off material layers in printed svg.

src/bonsai/bonsai/bim/module/drawing/operator.py

@@ -627,7 +627,7 @@ class CreateDrawing(bpy.types.Operator):
                 path.attrib["d"] = d
             group.append(g)
 
-    def generate_wall_layers(self, context: bpy.types.Context, root) -> None:
+    def generate_material_layers(self, context: bpy.types.Context, root) -> None:
         for el in root.findall(".//{http://www.w3.org/2000/svg}g[@{http://www.ifcopenshell.org/ns}guid]"):
             if "projection" in el.get("class", "").split():
                 continue
@@ -842,7 +842,8 @@ class CreateDrawing(bpy.types.Operator):
 
         if tool.Drawing.is_camera_orthographic():
             self.generate_bisect_linework(context, root)
-            self.generate_wall_layers(context, root)
+            if self.cprops.generate_material_layers:
+                self.generate_material_layers(context, root)
             self.merge_linework_and_add_metadata(root)
             self.move_elements_to_top(root)
 
@@ -940,12 +941,14 @@ class CreateDrawing(bpy.types.Operator):
         if self.cprops.cut_mode == "BISECT":
             self.remove_cut_linework(root)
             self.generate_bisect_linework(context, root)
-            self.generate_wall_layers(context, root)
+            if self.cprops.generate_material_layers:
+                self.generate_material_layers(context, root)
             self.merge_linework_and_add_metadata(root)
             self.move_elements_to_top(root)
         elif self.cprops.cut_mode == "OPENCASCADE":
             self.move_projection_to_bottom(root)
-            self.generate_wall_layers(context, root)
+            if self.cprops.generate_material_layers:
+                self.generate_material_layers(context, root)
             self.merge_linework_and_add_metadata(root)
             self.move_elements_to_top(root)
 

src/bonsai/bonsai/bim/module/drawing/prop.py

@@ -498,6 +498,11 @@ class BIMCameraProperties(PropertyGroup):
         name="Linework Mode",
         update=get_update_layer_callback("linework_mode", "LineworkMode"),
     )
+    generate_material_layers: bpy.props.BoolProperty(
+        name="Generate Material Layers",
+        description="Generate material layer linework in drawings",
+        default=True
+    )
     fill_mode: EnumProperty(
         items=[
             ("NONE", "None", "Disable filling areas seen in projection"),

src/bonsai/bonsai/bim/module/drawing/ui.py

@@ -99,12 +99,13 @@ class BIM_PT_camera(Panel):
 
         row = self.layout.row()
         row.prop(props, "linework_mode")
+        row = self.layout.row()
+        row.prop(props, "generate_material_layers")
         if props.linework_mode == "OPENCASCADE":
             row = self.layout.row()
             row.prop(props, "fill_mode")
             row = self.layout.row()
             row.prop(props, "cut_mode")
-
         row = self.layout.row()
         row.prop(props, "width")
         row = self.layout.row()