Request to upload 5.31.22 #1.5

app.py

@@ -1,22 +1,20 @@
-
-import sys
 import streamlit as st
+import numpy as np
+from PIL import Image
  
+def main():
+    st.title("Haltmann Diffusion Algorithm")
+ 
+    slider = st.slider("Slider", 0, 255, 128) # default value=128, min=0, max=255
 
-st.title("Haltmannn Diffusion")
-st.markdown("This app simulates the diffusion of particles in a 2D square lattice with periodic boundary conditions, using the Haltmannn algorithm.")
+    algo = np.array([[0, 0, 0], [0, 1/3, 1/3], [0, 1/3, 2/3]])
 
-L = 10 #lattice size
-N = st.slider("Number of particles", 1, L**2/2, 10) #number of particles
-st.write("Particle number is: ", N)
- 	#initialize the system: create a list of 'particle' objects, each with random position and velocity vectors:  
+    image = Image.open('image.png') # your image here
 
-import streamlit as st
-import numpy as np
+    pixels = np.array(image)
+
+    for i in range(pixels.shape[0]): # iterate over the rows of the image matrix (height)    					   for j in range(pixels.shape[1]): # iterate over the columns of the image matrix (width)        	for k in range(pixels.shape[2]): # iterate over the color channels (RGB)             if pixels[i][j][k] > slider:                pixels[i][j][k] = int((algo @ np.array([pixels[i-1][j-1][k], pixels[i-1][j+1][k], pixels[i+1][j-1][k]]).T)[2])            else:                continue    
+
+    new_image = Image.fromarray(pixels)
 
-L = 10 #lattice size
-N = st.slider("Number of particles", 1, L**2/2, 10) #number of particles
-st.write("Particle configuration:") 
-particles = np.random.randint(0, L, (N, 2)) #particle positions
-st.write(particles)
-st.title("Haltmannn Diffusion [C] 20XX")
+    st.image(new_image , caption='Output Image', use_column_width=True)        if __name__ == '__main__':            main()