Bring back formwork calculation feature that uses remesh

src/blenderbim/blenderbim/bim/module/qto/__init__.py

@@ -23,6 +23,7 @@ classes = (
     operator.CalculateCircleRadius,
     operator.CalculateEdgeLengths,
     operator.CalculateFaceAreas,
+    operator.CalculateFormworkArea,
     operator.CalculateObjectVolumes,
     operator.CalculateSingleQuantity,
     operator.PerformQuantityTakeOff,

src/blenderbim/blenderbim/bim/module/qto/operator.py

@@ -84,6 +84,21 @@ class CalculateObjectVolumes(bpy.types.Operator):
         return {"FINISHED"}
 
 
+class CalculateFormworkArea(bpy.types.Operator):
+    bl_idname = "bim.calculate_formwork_area"
+    bl_label = "Calculate Formwork Area"
+    bl_options = {"REGISTER", "UNDO"}
+
+    @classmethod
+    def poll(cls, context):
+        return context.selected_objects and context.active_object
+
+    def execute(self, context):
+        result = helper.calculate_formwork_area([o for o in context.selected_objects if o.type == "MESH"], context)
+        context.scene.BIMQtoProperties.qto_result = str(round(result, 3))
+        return {"FINISHED"}
+
+
 class CalculateSingleQuantity(bpy.types.Operator, tool.Ifc.Operator):
     bl_idname = "bim.calculate_single_quantity"
     bl_label = "Calculate Single Quantity"

src/blenderbim/blenderbim/bim/module/qto/ui.py

@@ -87,14 +87,16 @@ class BIM_PT_qto_simple(bpy.types.Panel):
         row = layout.row()
         row.prop(props, "qto_result", text="Results")
 
-        row = layout.row(align=True)
+        row = layout.row()
         row.operator("bim.calculate_circle_radius")
-        row = layout.row(align=True)
+        row = layout.row()
         row.operator("bim.calculate_edge_lengths")
-        row = layout.row(align=True)
+        row = layout.row()
         row.operator("bim.calculate_face_areas")
-        row = layout.row(align=True)
+        row = layout.row()
         row.operator("bim.calculate_object_volumes")
+        row = layout.row()
+        row.operator("bim.calculate_formwork_area")
 
 
 class BIM_PT_qto_cost(bpy.types.Panel):