/
filledpolygon.py
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/
filledpolygon.py
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#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import sys
import os.path
from PyQt4 import QtCore, QtGui
QtCore.Signal = QtCore.pyqtSignal
import vtk
from vtk.qt4.QVTKRenderWindowInteractor import QVTKRenderWindowInteractor
class VTKFrame(QtGui.QFrame):
def __init__(self, parent = None):
super(VTKFrame, self).__init__(parent)
self.vtkWidget = QVTKRenderWindowInteractor(self)
vl = QtGui.QVBoxLayout(self)
vl.addWidget(self.vtkWidget)
vl.setContentsMargins(0, 0, 0, 0)
self.ren = vtk.vtkRenderer()
self.vtkWidget.GetRenderWindow().AddRenderer(self.ren)
self.iren = self.vtkWidget.GetRenderWindow().GetInteractor()
#Create a sphere
sphere = vtk.vtkSphereSource()
sphere.SetRadius(50)
sphere.SetThetaResolution(100)
sphere.SetPhiResolution(100)
plane = vtk.vtkPlane()
plane.SetOrigin(20, 0, 0)
plane.SetNormal(1, 0, 0)
#create cutter
cutter = vtk.vtkCutter()
cutter.SetCutFunction(plane)
cutter.SetInputConnection(sphere.GetOutputPort())
cutter.Update()
cutStrips = vtk.vtkStripper()
cutStrips.SetInputConnection(cutter.GetOutputPort())
cutStrips.Update()
cutPoly = vtk.vtkPolyData()
cutPoly.SetPoints((cutStrips.GetOutput()).GetPoints())
cutPoly.SetPolys((cutStrips.GetOutput()).GetLines())
cutMapper = vtk.vtkPolyDataMapper()
cutMapper.SetInput(cutPoly)
#cutMapper.SetInputConnection(cutter.GetOutputPort())
cutActor = vtk.vtkActor()
cutActor.GetProperty().SetColor(1, 1, 0)
cutActor.GetProperty().SetEdgeColor(0, 1, 0)
cutActor.GetProperty().SetLineWidth(2)
cutActor.GetProperty().EdgeVisibilityOn()
cutActor.SetMapper(cutMapper)
#create renderers and add actors of plane and cube
self.ren.AddActor(cutActor)
self.ren.ResetCamera()
self._initialized = False
def showEvent(self, evt):
if not self._initialized:
self.iren.Initialize()
self.startTimer(30)
self._initialized = True
def timerEvent(self, evt):
self.ren.GetActiveCamera().Azimuth(1)
self.vtkWidget.GetRenderWindow().Render()
class MainPage(QtGui.QMainWindow):
def __init__(self, parent = None):
super(MainPage, self).__init__(parent)
self.setCentralWidget(VTKFrame())
self.setWindowTitle("Cut example")
def categories(self):
return ['Cutter']
def mainClasses(self):
return ['vtkSphereSource', 'vtkPlane', 'vtkCutter', 'vtkStripper']
if __name__ == '__main__':
app = QtGui.QApplication(sys.argv)
w = MainPage()
w.show()
sys.exit(app.exec_())