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pyqt Pyton VTK 使用滑块改变 VTK Actor 颜色

news 2025/8/4 14:47:54

使用 PyQt5 vtk vtk球体使用滑块 RGB 改变 Actor 颜色

CODE

import sys
from PyQt5.QtWidgets import *
from PyQt5.QtWidgets import (QApplication, QCheckBox, QGridLayout, QGroupBox,QMenu, QPushButton, QRadioButton, QVBoxLayout, QWidget, QSlider,QLineEdit,QLabel)
from PyQt5.QtCore import *
from PyQt5.QtGui import *
from PyQt5 import *
import vtk
from vtk.qt.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
#from PyQt5 import Qt
from PyQt5.QtCore import Qt #有一些常量在这里面，eg:blue
def window():ren = vtk.vtkRenderer()source = vtk.vtkSphereSource()source.SetCenter(0, 0, 0)source.SetRadius(1.0)app = QApplication(sys.argv)win = QWidget()Display_1 = QLCDNumber(3)Display_2 = QLCDNumber(3)Display_3 = QLCDNumber(3)Display_1.setSegmentStyle(QLCDNumber.Flat)Display_2.setSegmentStyle(QLCDNumber.Flat)Display_3.setSegmentStyle(QLCDNumber.Flat)Display_1.display(128)Display_2.display(128)Display_3.display(128)Slider_1 = QSlider(win)Slider_1.setMinimum(0)Slider_1.setMaximum(255)Slider_1.setValue(128)Slider_1.valueChanged.connect(Display_1.display)Slider_2 = QSlider(win)Slider_2.setMinimum(0)Slider_2.setMaximum(255)Slider_2.setValue(128)Slider_2.valueChanged.connect(Display_2.display)Slider_3 = QSlider(win)Slider_3.setMinimum(0)Slider_3.setMaximum(255)Slider_3.setValue(128)Slider_3.valueChanged.connect(Display_3.display)label_1 = QLabel("Label_R")label_1.setAlignment(Qt.AlignCenter)label_2 = QLabel("Label_G")label_2.setAlignment(Qt.AlignCenter)label_3 = QLabel("Label_B")label_3.setAlignment(Qt.AlignCenter)vbox = QVBoxLayout()vbox.addWidget(label_1)vbox.addWidget(Display_1)vbox.addWidget(Slider_1)vbox.addWidget(label_2)vbox.addWidget(Display_2)vbox.addWidget(Slider_2)vbox.addWidget(label_3)vbox.addWidget(Display_3)vbox.addWidget(Slider_3)vbox.addStretch()hbox = QHBoxLayout()frame = QFrame()frame.setFrameShape(QFrame.StyledPanel)frame.setFrameShape(QFrame.StyledPanel) # Application de la formeframe.setFrameShadow(QFrame.Raised) # application d'une ombreframe.setObjectName("frame") # Appellation du cadre#b3 = QtWidgets.QPushButton("Button3")#b4 = QtWidgets.QPushButton("Button4")hbox.addWidget(frame)hbox.addStretch()#hbox.addWidget(b4)vbox.addStretch()hbox.addLayout(vbox)win.setLayout(hbox)vtkWidget = QVTKRenderWindowInteractor(frame)vl =  QVBoxLayout()vl.addWidget(vtkWidget)vtkWidget.GetRenderWindow().AddRenderer(ren)iren = vtkWidget.GetRenderWindow().GetInteractor()# Create a mappermapper = vtk.vtkPolyDataMapper()mapper.SetInputConnection(source.GetOutputPort())# Create an actoractor = vtk.vtkActor()actor.SetMapper(mapper)ren.AddActor(actor)ren.ResetCamera()frame.setLayout(vl)def handler():changevalue(Slider_1, Slider_2,Slider_3,actor)ren.ResetCamera()ren.Render()vtkWidget.GetRenderWindow().Render()Slider_1.valueChanged.connect(handler)Slider_2.valueChanged.connect(handler)Slider_3.valueChanged.connect(handler)#setCentralWidget(self.frame)#show()iren.Initialize()iren.Start()win.setWindowTitle("PyQt-vtkSphere")win.resize(743, 430)win.show()sys.exit(app.exec_())def changevalue(slider1,slider2,slider3,actor):valueR  = slider1.value()valueG =  slider2.value()valueB =  slider3.value()print("RGB",valueR,valueG,valueB)#source.SetRadius(int(value))actor.GetProperty().SetColor(valueR/100.0,valueG/100.0,valueB/100.0)if __name__ == '__main__':window()

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