-------- -------- companytrades.csv試圖實現networkx到graphicsscene
date,Company1,Company2
1/2/2017,1001,1111
1/3/2017,1001,1100
1/4/2017,1111,1001
1/5/2017,1100,1001
1/6/2017,1011,1001
1/7/2017,1001,1111
1/8/2017,1111,1100
1/9/2017,1100,1011
,我發現了一組實施networkx類的這個很好的例子成graphicsscene GraphNetworkX.py
我使用下面的代碼來實現這三個模塊
--------- -------- netxgui.py
import pandas as pd
from numpy import *
import sys
from math import *
from PyQt4 import QtCore,QtGui
from PyQt4.QtCore import *
from PyQt4.QtGui import *
import networkx as nx
import GraphNetworkX
from x import *
pf = pd.read_csv('/desktop/companytrades.csv',header=0,index_col=['date'])
#setup the needed variables
if __names__ == "__main__":
app = QtGui.QApplication(sys.argv)
app.setStyle("Plastique")
class netx(QtGui.QDialog):
def __init__(self):
super(netx,self).__init__()
self.uiNX = Ui_Form()
self.uiNX.setupUi(self)
G = nx.from_pandas_dataframe(pf,'Company1','Company2',create_using=nx.DiGraph())
Pos = nx.spring_layout(g,scale=300)
scene = GraphNetworkx.GraphGraphicsScene(G=g,pos=Pos)
self.uiNX.neworkx_graphicsView.setScene(scene)
NX = netx()
NX.show()
sys.exit(exit(app.exec_())
app.deleteLater()
------- ------- x.py
from PyQt4 import QtCore,QtGui
try:
_fromUtf8 = QtCore.QString.fromUtf8
except AttributeError:
def _fromUtf8(s):
return s
try:
_encoding = QtGui.QApplication.unicodeUTF8
def _translate(context, text, disambig):
return QtGui.QApplication.translate(context, text, disambig, _encoding)
except AttributeError:
def _translate(context, text, disambig):
return QtGui.QApplication.translate(context, text, disambig)
class Ui_Form(object):
def setupUi(self, Form):
Form.setObjectName(_fromUtf8("Form"))
Form.resize(1492,1029)
self.networkx_graphicsView = QtGui.QGraphicsView(Form)
self.networkx_graphicsView.setGeometry(QtCore.QRect(240,70,971,911))
sizePolicy = QtGui.QSizePolicy(QtGui.QSizePolicy.Expanding, QtGui.QSizePolicy.Expanding)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(5)
sizePolicy.setHeightForWidth(self.networkx_graphicsView.sizePolicy().hasHeightForWidth())
self.networkx_graphicsView.setSizePolicy(sizePolicy)
self.networkx_graphicsView.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
self.networkx_graphicsView.setObjectName(_fromUtf8("networkx_graphicsView"))
self.retranslateUi(Form)
QtCore.QMetaObject.connectSlotsByName(Form)
def retranslateUi(self,Form):
Form.setWindowTitle(_translate("Form","Form",None))
我在執行此操作時遇到問題。我遇到的問題是在GraphNetworkX下的drawGraph函數。看來打印功能與n正常工作,但我真的不明白用i替換它的理由。
i = 0
for n in G.nodes():
#print str(pos[n][0]) + " " + str(pos[n][1])+ " "+str(n)
self.addNode(pos[i][0], pos[i][1], n)
i += 1
我做了一個實驗,用n代替i,並添加節點似乎工作,但後來我添加邊的問題。
for e in G.edges():
node1 = self.nodes[e[0]]
node2 = self.nodes[e[1]]
self.addEdge(node1, node2)
它口口聲聲說E [0]出range..considering的Nodes.py功能是把self.nodes成Nodes.nodes對象的名單,我想這也許就是佔位符的每個對象,但我不太確定。然後我試圖使這一變化:
node1 = e[0]
node2 = e[1]
但後來我得到的錯誤在Edge.py指出
x1 = node1.centerX()
的整數不具備的功能的centerX()
我有點不知所措。有人能幫助我理解這一點,並幫助我實現這個目標嗎?
感謝您的意見。我會做更正,並得到結果..我懷疑這將完全解決問題。我添加了x.py,因爲我正在處理PyQt4,並且從經驗中知道,處理GUI的環境和組件的行爲會發生變化。 – Daniel
仍然無法正常工作..請幫助。 – Daniel
什麼不行?我想你沒有使用上面的確切代碼(netxgui.py),因爲它不能按原樣運行。但是,如果你是,至少你需要做一些縮進的類定義 – Bonlenfum