Create app.py

app.py

@@ -0,0 +1,83 @@
+Room: 15x12x10 ft
+Wall Thickness: 0.75 ft
+Openings:
+- Door: 3x7 ft
+- Window: 4x4 ft
+Beams: Yes
+import streamlit as st
+import fitz  # PyMuPDF
+import re
+
+# Constants
+BRICK_VOLUME_CFT = (9/12) * (4.5/12) * (3/12)  # in cft
+CEMENT_SAND_RATIO = 1 / 6
+SAND_RATIO = 5 / 6
+CEMENT_DENSITY_KG_PER_CFT = 1440 / 35.3147
+CEMENT_BAG_WEIGHT_KG = 50
+
+st.set_page_config(page_title="Smart Estimator", page_icon="📐")
+st.title("📐 Smart Quantity Estimator from Building Layout PDF")
+
+uploaded_pdf = st.file_uploader("Upload your house layout PDF", type=["pdf"])
+
+def extract_text_from_pdf(file):
+    doc = fitz.open(stream=file.read(), filetype="pdf")
+    text = ""
+    for page in doc:
+        text += page.get_text()
+    return text
+
+def parse_dimensions(text):
+    rooms = re.findall(r'Room:\s*(\d+\.?\d*)x(\d+\.?\d*)x(\d+\.?\d*)\s*ft', text)
+    wall_thickness = re.search(r'Wall Thickness:\s*(\d+\.?\d*)\s*ft', text)
+    openings = re.findall(r'(Door|Window|Opening):\s*(\d+\.?\d*)x(\d+\.?\d*)\s*ft', text)
+    beams = 'Beams: Yes' in text
+
+    return {
+        "rooms": [(float(l), float(w), float(h)) for l, w, h in rooms],
+        "wall_thickness": float(wall_thickness.group(1)) if wall_thickness else 0.75,
+        "openings": [(typ, float(l), float(h)) for typ, l, h in openings],
+        "has_beams": beams
+    }
+
+def estimate(rooms, wall_thickness, openings, has_beams):
+    wall_volume = 0
+    for length, width, height in rooms:
+        wall_area = 2 * (length + width) * height
+        wall_volume += wall_area * wall_thickness
+
+    opening_volume = sum(l * h * wall_thickness for _, l, h in openings)
+    
+    beam_volume = 0
+    if has_beams:
+        for _, l, _ in openings:
+            beam_len = l + 1  # add 1ft
+            beam_volume += beam_len * 0.75 * 0.75
+
+    net_volume = wall_volume - opening_volume - beam_volume
+
+    number_of_bricks = round((net_volume / BRICK_VOLUME_CFT) * 1.05)
+    mortar_volume = net_volume * 0.25
+    cement_volume = mortar_volume * CEMENT_SAND_RATIO
+    sand_volume = mortar_volume * SAND_RATIO
+
+    cement_bag_volume_cft = CEMENT_BAG_WEIGHT_KG / CEMENT_DENSITY_KG_PER_CFT
+    cement_bags = round(cement_volume / cement_bag_volume_cft)
+
+    return number_of_bricks, sand_volume, cement_bags
+
+if uploaded_pdf:
+    text = extract_text_from_pdf(uploaded_pdf)
+    st.text_area("📄 Extracted Text", text, height=300)
+
+    data = parse_dimensions(text)
+
+    if data["rooms"]:
+        bricks, sand, cement = estimate(data["rooms"], data["wall_thickness"], data["openings"], data["has_beams"])
+
+        st.subheader("📊 Estimated Quantities:")
+        st.write(f"🧱 **Bricks Needed:** {bricks:,} bricks")
+        st.write(f"🏖️ **Sand Needed:** {sand:.2f} cft")
+        st.write(f"🪣 **Cement Needed:** {cement} bags (50kg each)")
+    else:
+        st.warning("No room dimensions found in the PDF. Please make sure your format is correct.")