Update app/internal_loads.py

app/internal_loads.py

@@ -126,6 +126,13 @@ def display_people_tab():
         if "people_action" not in st.session_state:
             st.session_state.people_action = {"action": None, "id": None}
         
+        # Get building type and floor area for default number of people
+        building_type = st.session_state.project_data["building_info"].get("building_type")
+        floor_area = st.session_state.project_data["building_info"].get("floor_area", 100.0)
+        schedule_type = DEFAULT_BUILDING_INTERNALS.get(building_type, DEFAULT_BUILDING_INTERNALS["Other"])["schedule_type"]
+        occupant_density = DEFAULT_OCCUPANT_DENSITY.get(schedule_type, 0.1)  # Default to 0.1 if not found
+        default_num_people = int(np.ceil(occupant_density * floor_area))
+        
         # Display the editor form
         with st.form("people_editor_form", clear_on_submit=True):
             editor_state = st.session_state.get("people_editor", {})
@@ -143,7 +150,7 @@ def display_people_tab():
                 "Number of People",
                 min_value=1,
                 max_value=1000,
-                value=int(editor_state.get("num_people", 10)),
+                value=int(editor_state.get("num_people", default_num_people)),
                 help="Number of people in this group."
             )