Created
September 27, 2016 18:06
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tkinter com polignos conectados
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# *-* coding: utf-8 *-* | |
import numpy as np | |
from tkinter import * | |
from math import * | |
class Vertice: | |
def __init__(self, rotulo): | |
self.rotulo = rotulo | |
print(self.rotulo) | |
def igualA(self, r): | |
return r == self.rotulo | |
class Grafo: | |
def __init__(self, numVertices): | |
self.matrizAdjacencias = np.zeros([numVertices, numVertices]) | |
class Renderer(object): | |
def __init__(self, grafo): | |
self.grafo = grafo | |
self.offset = 0 | |
self.radius = 200 | |
self.sides = len(grafo.matrizAdjacencias) | |
self.cx, self.cy = 750/2, 480/2 | |
step = 2*pi/self.sides | |
self.offset = radians(self.offset) | |
myfunc = lambda n: (self.radius*cos(step*n +self.offset)+self.cx, self.radius*sin(step*n +self.offset)+self.cy) | |
self.points = [myfunc(n) for n in range(int(self.sides)+1)] | |
def inside(self, canvas): | |
self.canvas = canvas | |
return self | |
def render(self): | |
r = 10 | |
a=0 | |
i = 0 | |
for point in self.points: | |
self.canvas.create_oval(point[0]-r,point[1]-r,point[0]+r,point[1]+r,fill="black") | |
if(i>0): | |
self.canvas.create_line( | |
self.points[i][0], self.points[i][1], self.points[i-1][0], self.points[i-1][1], fill="black") | |
i+=1 | |
if a < self.sides: | |
self.canvas.create_text(point[0]-r,point[1]-r, fill="black", text=a ) | |
a+=1 | |
class App_grafica: | |
def __init__ (self,pai): | |
self.Grafo = None | |
self.pai = pai | |
self.pai.geometry("800x550") | |
self.frame = Frame(pai) | |
self.frame.pack() | |
self.entrynomevertice = Entry(self.frame) | |
self.entrynomevertice.bind("<Return>", self.ArmazVerti) | |
self.entrynomevertice.pack(side=LEFT) | |
self.botaocriamatriz = Button(self.frame,text="Criar Grafo",command=self.drawPolygon).pack(side=LEFT) | |
self.canvasframe=Frame(pai) | |
self.canvasframe.pack( ) | |
self.canvas = Canvas(self.canvasframe, width = 750, height = 480, bg = "white") | |
self.canvas.pack() | |
self.botoesbaixoframe = Frame(pai) | |
self.botoesbaixoframe.pack(side=BOTTOM) | |
self.botaocarregar = Button(self.botoesbaixoframe,text = "Limpar", command=self.limpar).pack(side=LEFT) | |
self.botaosalvar = Button(self.botoesbaixoframe,text = "SALVAR", command=self.salvaMatriz).pack(side=LEFT) | |
self.botaocarregar = Button(self.botoesbaixoframe,text = "CARREGAR",command=self.carregarMatriz).pack(side=LEFT) | |
def salvaMatriz(self, *arg): | |
np.savetxt("foo.csv",self.grafo.matrizAdjacencias,delimiter=",") | |
def carregarMatriz(self, *arg): | |
mt = np.genfromtxt('foo.csv', delimiter=',') | |
self.grafo = Grafo(len(mt)) | |
self.grafo.matrizAdjacencias = mt; | |
self.drawPolygon() | |
def drawPolygon(self): | |
self.ArmazVerti() | |
Renderer(self.grafo).inside(self.canvas).render() | |
def ArmazVerti(self, *arg): | |
try: | |
valor = int(self.entrynomevertice.get()) | |
self.grafo = Grafo(valor); | |
print(self.grafo.matrizAdjacencias) | |
print("Grafo criado com %d vertices\n" % valor) | |
# print(valor) | |
except Exception: | |
return | |
def imprimMatriz(self): | |
print (end=" ") | |
for i in range(3): | |
print (self.listaVertiices[i].rotulo, end=" ") | |
print(" ") | |
for i in range(3): | |
print (self.listaVertiices[i].rotulo, end=" ") | |
for j in range(3): | |
print (self.matrizAdjacencias[i][j], end= " ") | |
print(" ") | |
def limpar(self): | |
self.canvas.delete("all") | |
raiz = Tk( ) | |
obj = App_grafica(raiz) | |
raiz.mainloop() |
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