Create app.py

app.py

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+import streamlit as st
+import math
+
+# Function to convert all units to square meters
+def convert_to_sqm(length, width, unit):
+    if unit == "Meters (m)":
+        return length * width
+    elif unit == "Centimeters (cm)":
+        return (length / 100) * (width / 100)
+    elif unit == "Millimeters (mm)":
+        return (length / 1000) * (width / 1000)
+
+# Function to calculate excluded circular area
+def calculate_circular_area(diameter, unit):
+    radius = diameter / 2
+    if unit == "Meters (m)":
+        return math.pi * (radius ** 2)
+    elif unit == "Centimeters (cm)":
+        return math.pi * ((radius / 100) ** 2)
+    elif unit == "Millimeters (mm)":
+        return math.pi * ((radius / 1000) ** 2)
+
+# Function to calculate required C Channels/Rods based on spacing
+def calculate_c_channels(area, rod_length, horizontal_spacing, vertical_spacing):
+    if rod_length <= 0 or horizontal_spacing <= 0 or vertical_spacing <= 0:
+        return None
+    
+    horizontal_rods = area / horizontal_spacing
+    vertical_rods = area / vertical_spacing
+
+    total_rods = (horizontal_rods + vertical_rods) / rod_length
+    return total_rods
+
+# Streamlit UI Configuration
+st.set_page_config(page_title="Area, Gypsum Board & C Channel Calculator", layout="wide")
+
+st.title("📐 Multi-Purpose Calculator")
+st.markdown("Calculate area, gypsum board requirements, and C Channel/Rod usage.")
+
+# Section 1: Area Calculation
+st.subheader("🔹 Main Area Input")
+unit = st.selectbox("Select the unit of measurement:", ["Meters (m)", "Centimeters (cm)", "Millimeters (mm)"])
+
+length = st.number_input("Enter Length:", min_value=0.0, format="%.2f")
+width = st.number_input("Enter Width:", min_value=0.0, format="%.2f")
+
+total_area = convert_to_sqm(length, width, unit)
+
+# Option to subtract an excluded rectangular area
+st.subheader("🔹 Excluded Rectangular Area (Optional)")
+exclude_length = st.number_input("Enter Length of Excluded Area:", min_value=0.0, format="%.2f", key="ex_len")
+exclude_width = st.number_input("Enter Width of Excluded Area:", min_value=0.0, format="%.2f", key="ex_wid")
+
+excluded_rect_area = convert_to_sqm(exclude_length, exclude_width, unit)
+
+# Option to subtract an excluded circular area
+st.subheader("🔹 Excluded Circular Area (Optional)")
+diameter = st.number_input("Enter Diameter of Circular Excluded Area:", min_value=0.0, format="%.2f", key="circle_dia")
+excluded_circ_area = calculate_circular_area(diameter, unit)
+
+# Calculate final area
+final_area = total_area - (excluded_rect_area + excluded_circ_area)
+
+st.markdown(f"### ✅ Total Area: `{final_area:.2f} m²`")
+
+# Section 2: Gypsum Board Calculation
+st.subheader("🛠 Gypsum Board Calculation")
+gypsum_board_area = st.number_input("Enter Area of a Single Gypsum Board (m²):", min_value=0.1, format="%.2f")
+
+if st.button("Calculate Required Gypsum Boards"):
+    if gypsum_board_area > 0:
+        num_boards = final_area / gypsum_board_area
+        st.success(f"📌 You will need approximately `{num_boards:.2f}` gypsum boards.")
+    else:
+        st.error("Please enter a valid gypsum board area.")
+
+# Section 3: C Channel/Rod Calculation
+st.subheader("🛠 C Channel/Rod Calculation")
+c_area = st.number_input("Enter Total Area to Cover (m²):", min_value=0.0, format="%.2f", key="c_area")
+rod_length = st.number_input("Enter Length of One C Channel/Rod (meters):", min_value=0.1, format="%.2f", key="rod_length")
+horizontal_spacing = st.number_input("Enter Horizontal Distance Between Rods (meters):", min_value=0.1, format="%.2f", key="h_spacing")
+vertical_spacing = st.number_input("Enter Vertical Distance Between Rods (meters):", min_value=0.1, format="%.2f", key="v_spacing")
+
+if st.button("Calculate Required C Channels/Rods"):
+    rods_required = calculate_c_channels(c_area, rod_length, horizontal_spacing, vertical_spacing)
+    if rods_required is not None:
+        st.success(f"📌 You will need approximately `{rods_required:.2f}` C Channels/Rods.")
+    else:
+        st.error("Please enter valid values for the C Channel/Rod calculation.")
+
+# Footer
+st.markdown("---")
+st.markdown("Developed with ❤️ using Streamlit.")