ble

import numpy as np
import math
import cv2
from numpy import ndarray
from Lista02 import FuncoesML as fun

#lendo a imagem
circles = []
circles = fun.loadFiles('C:/Users/Auricelia/Desktop/DataSetsML/New_shapes_dataset/hexagons/*.jpg',circles)

#convertendo para níveis de cinza

circleeee = circles[0]
circles = fun.grayConversion(circles)

#aplicando o filtro gaussiano
circles = fun.blurConversion(circles, 5, 0)

#convertendo para binária
circles = fun.binaryConversion(circles, 255, 31)

#invertendo as cores
circles = fun.invertConversion(circles)

# extraindo momentos da imagem

im2, countours, hierachy = cv2.findContours(circles[0], cv2.RETR_TREE, cv2.CHAIN_APPROX_SIMPLE)
cv2.drawContours(circleeee, countours, -1, (0,255,0), 3)

peri = cv2.arcLength(countours[0], True)  # perimetro

aproxx = cv2.approxPolyDP(countours[0], 0.04 * peri, True)  # vertices


print('Vertices list', aproxx)
print('shape', aproxx.shape)
print('dtype',aproxx.dtype)
print('type',type(aproxx))

x1 = ndarray.item(aproxx,(0,0,0))         # recupera o primeiro elemento do ndarray
y1 = ndarray.item(aproxx,(0,0,1))
x2 = ndarray.item(aproxx,(1,0,0))
y2 = ndarray.item(aproxx,(1,0,1))

bla = np.reshape(aproxx, (aproxx.shape[0], (aproxx.shape[1]*aproxx.shape[2])))

print('approxPolyDp resultado', aproxx)
print('angle',fun.angleBetweenPoints(x1,y1,x2,y2))
def angle3pt(a, b, c):
    """Counterclockwise angle in degrees by turning from a to c around b
        Returns a float between 0.0 and 360.0"""
    ang = math.degrees(
        math.atan2(c[1] - b[1], c[0] - b[0]) - math.atan2(a[1] - b[1], a[0] - b[0]))
    return ang + 360 if ang < 0 else ang


if(len(bla) >= 3):

    for x in range(len(bla)):

        if x == 0:
            print("CASO INICIAL")
            bla3 = angle3pt(bla[x],bla[x+1],bla[len(bla)-1])
            print(bla3)
            #print("v0= ", bla[x][0] , ",", bla[x][1], " v1= ", bla[x+1][0],",", bla[x+1][1], " v2= ", bla[len(bla)-1][0], "," , bla[len(bla)-1][1])

        if x == len(bla)-1:
            print("CASO FINAL")
            bla4 = angle3pt(bla[x], bla[0], bla[x-1])
            print(bla4)
            print("v0= ", bla[x][0], ",", bla[x][1], " v1= ", bla[0][0], ",", bla[0][1], " v2= ", bla[x-1][0], "," , bla[x-1][1])

        if x > 0 and x < len(bla)-1 :
            print("RESTO DOS CASOS")
            bla5 = angle3pt(bla[x],bla[x+1],bla[x-1])
            print(bla5)
            bla5 = 0
            print("v0= ", bla[x][0], ",", bla[x][1], " v1= ", bla[x+1][0], ",", bla[x+1][1], " v2= ", bla[x-1][0], ",", bla[x - 1][1])


cv2.imshow("a",circleeee)
cv2.waitKey()
print()
print(bla[1][0])


print('a = ',aproxx[len(aproxx) - 1][0],' ',aproxx[len(aproxx)-1][1])
print('b = ',)
print('angle',angle3pt((aproxx[len(aproxx) - 1][0],aproxx[len(aproxx)-1][1]),(aproxx[0][0],aproxx[0][1]),(aproxx[1][0],aproxx[1][1])))