vtk嵌入pyqt5的窗口中

vtk嵌入pyqt5的窗口中，

from PyQt5.QtGui import *  
from PyQt5.QtWidgets import *  
from PyQt5.QtCore import *  
from PyQt5.QtOpenGL import QGLWidget  
import sys
from vtk import * 
from vtk.qt.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor  
 
  
class MainWindow(QMainWindow):  
    """docstring for Mainwindow"""  
    def __init__(self, parent = None):  
        super(MainWindow,self).__init__(parent)  
        self.basic()  
        splitter_main = self.split_()  
        self.setCentralWidget(splitter_main)  
  
    #窗口基础属性  
    def basic(self):  
        #设置标题，大小，图标  
        self.setWindowTitle("GT")  
        self.resize(1100,650)  
        self.setWindowIcon(QIcon("./image/Gt.png"))  
        #居中显示  
        screen = QDesktopWidget().geometry()  
        self_size = self.geometry()  
        self.move((screen.width() - self_size.width())/2,(screen.height() - self_size.height())/2)  
  
    #分割窗口  
    def split_(self):  
        splitter = QSplitter(Qt.Vertical) 
        frame = QFrame()
        vl = QVBoxLayout() 
        vtkWidget = QVTKRenderWindowInteractor()
        vl.addWidget(vtkWidget)
        #vl.setContentsMargins(0,0,0,0)
        ren = vtk.vtkRenderer()
        vtkWidget.GetRenderWindow().AddRenderer(ren)
        self.iren = vtkWidget.GetRenderWindow().GetInteractor()
        self.CreateCone(ren)
        frame.setLayout(vl)  
        splitter.addWidget(frame)  
        testedit = QTextEdit()  
        splitter.addWidget(testedit)  
        splitter.setStretchFactor(0,3)  
        splitter.setStretchFactor(1,2)  
        splitter_main = QSplitter(Qt.Horizontal)  
        textedit_main = QTextEdit()  
        splitter_main.addWidget(textedit_main)  
        splitter_main.addWidget(splitter)  
        splitter_main.setStretchFactor(0,2)  
        splitter_main.setStretchFactor(1,5)  
        return splitter_main  
  
    def CreateCone(self,ren):  
        # Create source  
        source = vtk.vtkSphereSource()  
        source.SetCenter(0, 0, 0)  
        source.SetRadius(5.0)  
   
        # Create a mapper  
        mapper = vtk.vtkPolyDataMapper()  
        mapper.SetInputConnection(source.GetOutputPort())  
   
        # Create an actor  
        actor = vtk.vtkActor()  
        actor.SetMapper(mapper)  
          
        ren.AddActor(actor)  
        ren.ResetCamera() 
  
  
if __name__ == "__main__":  
    app = QApplication(sys.argv)  
    win = MainWindow()  
    win.show()  
    win.iren.Initialize()
    sys.exit(app.exec_()) 

运行即可，还未学习vtk，对它的函数也不了解，

运行结果发现，布局与splitter之间的空隙太大，因为qt默认间隙是11貌似，将注释掉的#vl.setcontentMargins(0,0,0,0)打开即可实现无缝。