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Code.py
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import cv2
import numpy as np
import pyvista as pv
from pyvista import StructuredGrid
import matplotlib.pyplot as plt
### Add the image to process
img_original = cv2.imread(r'C:\Users\franc\OneDrive\Escritorio\Coti\imgtoSTL\imgs\COBE_1.png')
### If you wwnat to resize the image
# imgresize = cv2.resize(imagen_original, (512,256))
# cv2.imshow('imagen dimesionada',imgresize)
# cv2.imshow('imagenoriginal',imagen_original)
# cv2.waitKey(0)
### Converto BGR to RGB
imagen_rgb = cv2.cvtColor(img_original, cv2.COLOR_BGR2RGB)
### Extract image matrix
matriz = np.asarray(imagen_rgb)
h, w, c = matriz.shape
### Create empty matrix for each color
pr = np.zeros((h, w, c), dtype=np.uint8) #Red
pp = np.zeros((h, w, c), dtype=np.uint8) #Pink
py = np.zeros((h, w, c), dtype=np.uint8) #Yellow
pg = np.zeros((h, w, c), dtype=np.uint8) #Green
pc = np.zeros((h, w, c), dtype=np.uint8) #Cyan
pb = np.zeros((h, w, c), dtype=np.uint8) #Blue
pbl = np.zeros((h, w, c), dtype=np.uint8) #Black
pw = np.zeros((h, w, c), dtype=np.uint8) #White
pe = np.zeros((h, w, c), dtype=np.uint8) #Extra
pbr = np.zeros((h, w, c), dtype=np.uint8) #Brown
po = np.zeros((h, w, c), dtype=np.uint8) #Orange
pvi = np.zeros((h, w, c), dtype=np.uint8) #Violet
### Create matrix to store positions
x = np.zeros((h, w))
y = np.zeros((h, w))
z = np.zeros((h,w))
# # #-----------------Clasification for WMAPP------------------------------
# for i in range(h):
# for j in range(w):
# pixel = imagen_rgb[i, j]
# r, g, b = pixel
# #### Calculate the % of each color in pixel
# pR = r / 255.0 * 100 # % of red
# pG = g / 255.0 * 100 # % of green
# pB = b / 255.0 * 100 # % of blue
# # Blanco
# if pR >= 65 and pG == 100 and pB >= 65:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# pw[i, j] = pixel
# # Rojo Claro
# if 100 >= pR >= 20 and 30 >= pG >= 0 and 50 >= pB >= 0:
# pr[i, j] = pixel
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 48
# # Rojo
# elif 100 >= pR >= 20 and 25 >= pG >= 0 and 30 >= pB >= 0:
# pr[i, j] = pixel
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 49
# # Rojo Oscuro
# elif 70 >= pR >= 20 and 25 >= pG >= 0 and 10 >= pB >= 0:
# pr[i, j] = pixel
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 50
# # Verde Claro
# elif 80 >= pR >= 40 and 100 >= pG >= 70 and 85 >= pB >= 15:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 38
# pg[i, j] = pixel
# # Verde
# elif 70 >= pR >= 0 and 100 >= pG >= 60 and 100 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 37
# pg[i, j] = pixel
# # Verde Oscuro
# elif 75 >= pR >= 0 and 75 >= pG >= 30 and 52 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 36
# pg[i, j] = pixel
# # Azul Claro
# elif 50 >= pR >= 0 and 50 >= pG >= 0 and 100 >= pB >= 5:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 32
# pb[i, j] = pixel
# # azul
# elif 45 >= pR >= 0 and 25 >= pG >= 0 and 100 >= pB >= 5:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 31
# pb[i, j] = pixel
# # Azul Oscuro
# elif 35 >= pR >= 0 and 25 >= pG >= 0 and 65 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 30
# pb[i, j] = pixel
# # Cian Claro
# elif 75 >= pR >= 0 and 100 >= pG >= 50 and 100 >= pB >= 50:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 35
# pc[i, j] = pixel
# # Cian
# elif 30 >= pR >= 0 and 100 >= pG >= 40 and 100 >= pB >= 40:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 5
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 34
# pc[i, j] = pixel
# # Cian Oscuro
# elif 40 >= pR >= 0 and 50 >= pG >= 20 and 50 >= pB >= 20:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 33
# pc[i, j] = pixel
# # Amarillo claro
# elif 100 >= pR >= 80 and 100 >= pG >= 60 and 70 >= pB >= 20:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 39
# py[i, j] = pixel
# # Amarillo
# elif 100 >= pR >= 70 and 100 >= pG >= 60 and 35 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 40
# py[i, j] = pixel
# # Amarillo Oscuro
# elif 80 >= pR >= 60 and 80 >= pG >= 60 and 50 >= pB >= 10:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 41
# py[i, j] = pixel
# # Marron Claro
# elif 100 >= pR >= 50 and 60 >= pG >= 40 and 40 >= pB >= 10:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 45
# pbr[i, j] = pixel
# # Marron
# elif 80 >= pR >= 50 and 60 >= pG >= 35 and 10 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 46
# pbr[i, j] = pixel
# # Marron Oscuro
# elif 65 >= pR >= 30 and 55 >= pG >= 15 and 30 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 47
# pbr[i, j] = pixel
# # Naranja Claro
# elif 100 >= pR >= 65 and 65 >= pG >= 30 and 35 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 42
# po[i, j] = pixel
# # Naranja Medio
# elif 85 >= pR >= 55 and 45 >= pG >= 20 and 20 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 43
# po[i, j] = pixel
# # Naranja Oscuro
# elif 90 >= pR >= 55 and 45 >= pG >= 25 and 15 >= pB >= 0:
# if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 44
# po[i, j] = pixel
# # Negro
# elif pR == 0 and pG == 0 and pB == 0:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 40
# pbl[i, j] = pixel
# else:
# x[i, j] = j
# y[i, j] = i
# z[i, j] = 6
# pe[i, j] = pixel
####---------------------WMAP 1
for i in range(h):
for j in range(w):
pixel = imagen_rgb[i, j]
r, g, b = pixel
#### Calculate the % of each color in pixel
pR = r / 255.0 * 100 # % of red
pG = g / 255.0 * 100 # % of green
pB = b / 255.0 * 100 # % of blue
# WHITE
if 100 >= pR >= 80 and 100 >= pG >= 80 and 100 >= pB >= 80:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 8
pw[i, j] = pixel
# LIGHT RED
if 100 >= pR >= 50 and 30 >= pG >= 0 and 50 >= pB >= 0:
pr[i, j] = pixel
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 58
# RED
elif 100 >= pR >= 30 and 15 >= pG >= 0 and 30 >= pB >= 0:
pr[i, j] = pixel
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 59
# DARK RED
elif 70 >= pR >= 30 and 20 >= pG >= 0 and 10 >= pB >= 0:
pr[i, j] = pixel
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 60
#LIGHT ORANGE
elif 100 >= pR >= 65 and 65 >= pG >= 30 and 47 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 53
po[i, j] = pixel
# ORANGE
elif 85 >= pR >= 55 and 45 >= pG >= 20 and 20 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 54
po[i, j] = pixel
# DARK ORANGE
elif 90 >= pR >= 55 and 45 >= pG >= 25 and 15 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 55
po[i, j] = pixel
#LIGHT BROWN
elif 80 >= pR >= 50 and 60 >= pG >= 40 and 40 >= pB >= 10:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 56
pbr[i, j] = pixel
# BROWN
elif 80 >= pR >= 55 and 60 >= pG >= 35 and 35 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 57
pbr[i, j] = pixel
# DARK BROWN
elif 65 >= pR >= 30 and 45 >= pG >= 15 and 10 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 58
pbr[i, j] = pixel
# LIGHT YELLOW
elif 100 >= pR >= 80 and 100 >= pG >= 60 and 95 >= pB >= 20:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 50
py[i, j] = pixel
# YELLOW
elif 100 >= pR >= 50 and 85 >= pG >= 30 and 35 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 51
py[i, j] = pixel
# DARK YELLOW
elif 80 >= pR >= 60 and 80 >= pG >= 60 and 50 >= pB >= 10:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 52
py[i, j] = pixel
# LIGHT GREEN
elif 90 >= pR >= 40 and 100 >= pG >= 70 and 85 >= pB >= 15:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 49
pg[i, j] = pixel
# GREEN
elif 70 >= pR >= 0 and 100 >= pG >= 60 and 50 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 48
pg[i, j] = pixel
# DARK GREEN
elif 75 >= pR >= 0 and 75 >= pG >= 15 and 55 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 47
pg[i, j] = pixel
# Cian Claro
elif 85 >= pR >= 30 and 100 >= pG >= 50 and 100 >= pB >= 50:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 46
pc[i, j] = pixel
# Cian
elif 30 >= pR >= 0 and 100 >= pG >= 40 and 100 >= pB >= 40:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 45
pc[i, j] = pixel
# Cian Oscuro
elif 40 >= pR >= 0 and 50 >= pG >= 20 and 50 >= pB >= 20:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 44
pc[i, j] = pixel
# Azul Claro
elif 50 >= pR >= 0 and 50 >= pG >= 0 and 100 >= pB >= 5:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 43
pb[i, j] = pixel
# azul
elif 45 >= pR >= 0 and 25 >= pG >= 0 and 100 >= pB >= 5:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 42
pb[i, j] = pixel
# Azul Oscuro
elif 35 >= pR >= 0 and 25 >= pG >= 0 and 65 >= pB >= 0:
if pixel[0] == 0 and pixel[1] == 0 and pixel[2] == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
else:
x[i, j] = j
y[i, j] = i
z[i, j] = 41
pb[i, j] = pixel
# Negro
elif pR == 0 and pG == 0 and pB == 0:
x[i, j] = j
y[i, j] = i
z[i, j] = 6
pbl[i, j] = pixel
else:
pe[i, j] = pixel
### Plot the clasification
plt.figure(figsize=(12, 6))
plt.subplot(3, 3, 1)
plt.title('BROWN CHANNEL')
plt.imshow(pbr, cmap='gray')
plt.subplot(3, 3, 2)
plt.title('RED CHANNEL')
plt.imshow(pr, cmap='gray')
plt.subplot(3, 3, 3)
plt.title('ORANGE CHANNEL')
plt.imshow(po, cmap='gray')
plt.subplot(3, 3, 4)
plt.title('YELLOW CHANNEL')
plt.imshow(py, cmap='gray')
plt.subplot(3, 3, 5)
plt.title('GREEN CHANNEL')
plt.imshow(pg, cmap='gray')
plt.subplot(3, 3, 6)
plt.title('CYAN CHANNEL')
plt.imshow(pc, cmap='gray')
plt.subplot(3, 3, 7)
plt.title('BLUE CHANNEL')
plt.imshow(pb, cmap='gray')
plt.subplot(3, 3, 8)
plt.title('WHITE CHANNEL')
plt.imshow(pw, cmap='gray')
plt.subplot(3, 3, 9)
plt.title('EXTRA')
plt.imshow(pe, cmap='gray')
plt.show()
### Create a base for the model
x_base, y_base = np.meshgrid(range(w), range(h))
z_base = np.zeros_like(x_base)
### Merge base values and pixels
x = np.stack((x_base, x), axis=0)
y = np.stack((y_base, y), axis=0)
z = np.stack((z_base, z), axis=0)
### Create the structure
mesh = pv.StructuredGrid(-x, y, z)
### Dimension the mesh
mesh.points [:,0] /= 10
mesh.points [:,1] /= 10
mesh.points[:,2] /= 10
### Show the strcucture
p = pv.Plotter()
p.add_mesh(mesh, color="gray")
p.show()
### Export the model to stl
polydata = mesh.extract_geometry()
stl_file = 'wmapp.stl'
polydata.save(stl_file)
print("se guardo la imagen como: ", stl_file)