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import streamlit as st
import matplotlib.pyplot as plt
import numpy as np
def calculate_steel_required(total_area, unit, steel_length, box_width, box_length):
conversion = {'m': 1, 'cm': 0.01, 'mm': 0.001}
total_area_m2 = total_area * (conversion[unit] ** 2)
steel_length_m = steel_length * conversion[unit]
box_width_m = box_width * conversion[unit]
box_length_m = box_length * conversion[unit]
num_steel_width = int((total_area_m2 ** 0.5) / box_width_m) + 1
num_steel_length = int((total_area_m2 ** 0.5) / box_length_m) + 1
total_steel_rods = num_steel_width + num_steel_length
return total_steel_rods
def subtract_steel_rods(total_rods, rods_to_subtract):
return max(0, total_rods - rods_to_subtract)
def plot_steel_grid(total_area, unit, box_width, box_length):
conversion = {'m': 1, 'cm': 0.01, 'mm': 0.001}
area_side = (total_area ** 0.5) * conversion[unit]
box_width_m = box_width * conversion[unit]
box_length_m = box_length * conversion[unit]
fig, ax = plt.subplots(figsize=(6,6))
ax.set_xticks(np.arange(0, area_side, box_width_m))
ax.set_yticks(np.arange(0, area_side, box_length_m))
ax.grid(True, linestyle='--', linewidth=0.5)
ax.set_xlim(0, area_side)
ax.set_ylim(0, area_side)
ax.set_title("Graphical Representation of Steel Rods")
st.pyplot(fig)
st.title("Steel Rods Calculator")
st.markdown("### Calculate the number of steel rods required based on the given area and box size.")
unit = st.selectbox("Select measurement unit", ["m", "cm", "mm"], index=1)
total_area = st.number_input(f"Enter total area in {unit}²", min_value=0.0, format="%.2f")
steel_length = st.number_input(f"Enter length of one steel rod in {unit}", min_value=0.0, format="%.2f")
box_width = st.number_input(f"Enter width of the box in {unit}", min_value=0.0, format="%.2f")
box_length = st.number_input(f"Enter length of the box in {unit}", min_value=0.0, format="%.2f")
rods_to_subtract = st.number_input("Enter number of rods to subtract", min_value=0, format="%d")
if st.button("Calculate Steel Required"):
if total_area > 0 and steel_length > 0 and box_width > 0 and box_length > 0:
total_rods = calculate_steel_required(total_area, unit, steel_length, box_width, box_length)
adjusted_rods = subtract_steel_rods(total_rods, rods_to_subtract)
st.success(f"Total steel rods required: {adjusted_rods}")
plot_steel_grid(total_area, unit, box_width, box_length)
else:
st.error("Please enter valid positive numbers for all inputs.")
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