我用PyQt5创建了一个GUI,其中有一个区域我想在其中绘制一些卷。有时我想切片的卷,我正在使用PyVista的“添加网格\u剪辑\u平面”小部件。第一次它总是工作得很好,但是当我试图在同一个QFrame中用相同的切片函数绘制另一个卷时,程序崩溃了,我得到了一个“分段错误(core dumped)”错误
有没有人知道/有什么想法可以让我解决这个问题??你知道吗
我创建了一个小例子(代码见下文),其中QFrame通过这个切片小部件(用户的意愿)绘制大脑或Nefertiti的头部。你知道吗
在绘制它们之前,我清除了所有参与者的QFrame并删除了它们的所有属性,这要归功于“clear()”,我想避免的情况是:
1-点击plot Nefertiti 2-点击plot Nefertiti或plot brain 3-在QFrame区域内单击以移动切片小部件时,程序崩溃
我想在步骤2)之前完成删除网格,以便步骤2)与步骤1)一样工作
我尝试删除整个QFrame对象,然后从头开始重新创建它,但没有效果
# -*- coding: utf-8 -*-
# Form implementation generated from reading ui file 'double_plot.ui'
#
# Created by: PyQt5 UI code generator 5.13.0
#
# WARNING! All changes made in this file will be lost!
from PyQt5 import QtCore, QtWidgets # QtGui
class Ui_Test(object):
def setupUi(self, Test):
Test.setObjectName("Test")
Test.resize(642, 574)
self.widget = QtWidgets.QWidget(Test)
self.widget.setGeometry(QtCore.QRect(110, 30, 402, 433))
self.widget.setObjectName("widget")
self.verticalLayout = QtWidgets.QVBoxLayout(self.widget)
self.verticalLayout.setContentsMargins(0, 0, 0, 0)
self.verticalLayout.setObjectName("verticalLayout")
self.vtkFrame = QtWidgets.QFrame(self.widget)
sizePolicy = QtWidgets.QSizePolicy(QtWidgets.QSizePolicy.Preferred,
QtWidgets.QSizePolicy.Preferred)
sizePolicy.setHorizontalStretch(0)
sizePolicy.setVerticalStretch(0)
sizePolicy.setHeightForWidth(self.vtkFrame.sizePolicy().
hasHeightForWidth())
self.vtkFrame.setSizePolicy(sizePolicy)
self.vtkFrame.setMinimumSize(QtCore.QSize(400, 400))
self.vtkFrame.setFrameShape(QtWidgets.QFrame.StyledPanel)
self.vtkFrame.setFrameShadow(QtWidgets.QFrame.Raised)
self.vtkFrame.setObjectName("vtkFrame")
self.verticalLayout.addWidget(self.vtkFrame)
self.horizontalLayout = QtWidgets.QHBoxLayout()
self.horizontalLayout.setObjectName("horizontalLayout")
self.plotNef_button = QtWidgets.QPushButton(self.widget)
self.plotNef_button.setObjectName("plotNef_button")
self.horizontalLayout.addWidget(self.plotNef_button)
self.plotBrain_button = QtWidgets.QPushButton(self.widget)
self.plotBrain_button.setObjectName("plotBrain_button")
self.horizontalLayout.addWidget(self.plotBrain_button)
self.verticalLayout.addLayout(self.horizontalLayout)
self.retranslateUi(Test)
QtCore.QMetaObject.connectSlotsByName(Test)
def retranslateUi(self, Test):
_translate = QtCore.QCoreApplication.translate
Test.setWindowTitle(_translate("Test", "Test"))
self.plotNef_button.setText(_translate("Test", "Plot Nefertiti"))
self.plotBrain_button.setText(_translate("Test", "Plot Brain"))
import pyvista as pv
from pyvista import examples
from PyQt5 import QtWidgets
from double_plot import Ui_Test
class MainWindow(QtWidgets.QMainWindow, Ui_Test):
def __init__(self, *args, **kwargs):
QtWidgets.QMainWindow.__init__(self, *args, **kwargs)
self.setupUi(self)
self.mesh = None
self.vtk_widget = pv.QtInteractor(self.vtkFrame)
self.plotNef_button.clicked.connect(self.plot_nefertiti)
self.plotBrain_button.clicked.connect(self.plot_brain)
def plot_nefertiti(self):
self.vtk_widget.clear() # Remove all actors and properties
self.mesh = examples.download_nefertiti()
self.vtk_widget.add_mesh_clip_plane(self.mesh)
self.vtk_widget.update()
def plot_brain(self):
self.vtk_widget.clear() # Remove all actors and properties
self.mesh = examples.download_brain()
self.vtk_widget.add_mesh_clip_plane(self.mesh)
self.vtk_widget.update()
if __name__ == "__main__":
app = QtWidgets.QApplication([])
window = MainWindow()
window.show()
app.exec_()
如上所述,步骤2使程序崩溃,提醒:
1-点击plot Nefertiti 2-点击plot Nefertiti或plot brain
当在QFrame区域内单击以移动切片小部件时,程序崩溃(仅在步骤2之后)
目前没有回答
相关问题 更多 >
编程相关推荐