Question

我正在读取一个带有多个单词的文本文件，并且试图一次从文件中读取两个单词，然后将字符串存储在地图中。如果该短语已经存在，则其数量会增加。之后，我想打印出所有单词以及它出现了多少次。我是做对了还是有更好的方法。我一次没有读两个字，所以我对此不太熟悉。当我运行测试代码时，我没有得到正确的短语。

import sys
import vtk
from PyQt5 import QtCore, QtGui, QtWidgets
from PyQt5 import Qt
import numpy as np

from vtk.qt.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor

class mainWindow(Qt.QMainWindow):
def __init__(self, parent = None):
    Qt.QMainWindow.__init__(self, parent)

    self.frame = Qt.QFrame()
    self.vl = Qt.QVBoxLayout()
    self.button = QtWidgets.QPushButton("TestButton")
    self.label = QtWidgets.QLabel("This is a label")
    self.vtkWidget = QVTKRenderWindowInteractor(self.frame)

    #Create Source
    self.source = vtk.vtkCylinderSource()
    self.source.SetCenter(0, 0, 0)
    self.source.SetRadius(5.0)
    #Create Mapper
    self.mapper = vtk.vtkPolyDataMapper()
    self.mapper.SetInputConnection(self.source.GetOutputPort())
    #Create Actor
    self.actor = vtk.vtkActor()
    self.actor.SetMapper(self.mapper)

    #Create poke matrix for cylinder
    self.pMatrix = vtk.vtkMatrix4x4()

    self.vl.addWidget(self.vtkWidget)
    self.vl.addWidget(self.button)
    self.vl.addWidget(self.label)

    self.ren = vtk.vtkRenderer()
    self.ren.AddActor(self.actor)
    self.renWin = self.vtkWidget.GetRenderWindow()
    self.renWin.AddRenderer(self.ren)
    self.iren = self.vtkWidget.GetRenderWindow().GetInteractor()

    #Settings
    self.ren.SetBackground(0.2, 0.2, 0.2)
    self.timeStep = 20 #ms
    self.total_t = 0

    #Inititalize Window, Interactor, Renderer, Layout
    self.frame.setLayout(self.vl)
    self.setCentralWidget(self.frame)
    self.ren.ResetCamera()
    self.show()
    self.iren.Initialize()

    # Create Timer
    self.timer = QtCore.QTimer()
    self.timer.timeout.connect(self.timerCallback)
    self.timer.start(self.timeStep)

def timerCallback(self, *args):
    self.total_t += self.timeStep / 1000
    #Rotate Cylinder
    angle = 2 * np.pi * self.total_t
    rotMatrix = np.array([[np.cos(angle), -np.sin(angle), 0],
                          [np.sin(angle), np.cos(angle), 0],
                          [0, 0, 1]])
    for i in range(3):
        for j in range(3):
            self.pMatrix.SetElement(i, j, rotMatrix[i, j])

    self.actor.PokeMatrix(self.pMatrix)
    self.ren.Render()


if __name__ == "__main__":
    app = Qt.QApplication(sys.argv)
    window = mainWindow()
    sys.exit(app.exec_())

一次抓住两个单词/短语

0 个答案: