def __init__(self, parent=None):
logging.debug("In SimpleTest::_QVtkWidgetCone::__init__()")
super(_QVtkWidgetCone, self).__init__(parent)
self.setWindowTitle("Test QVtkWidget with QMainWindow")
self.setGeometry(QtCore.QRect(500, 500, 200, 200))
centralwidget = QtGui.QWidget(self)
centralwidget.setObjectName("centralwidget")
gridLayout = QtGui.QGridLayout(centralwidget)
gridLayout.setObjectName("gridLayout")
self.setCentralWidget(centralwidget)
ren = vtk.vtkRenderer()
widget = QVtkWidget(centralwidget)
widget.setWindowTitle("Test QVtkWidget with QMainWindow")
widget.setGeometry(QtCore.QRect(1, 30, 200, 200))
widget.GetRenderWindow().AddRenderer(ren)
widget.GetRenderWindow().SetSize(200, 200)
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
ren.AddActor(coneActor)
def makeTextCaption(text,size,labPos,attPos):
coneGlyph = vtk.vtkConeSource()
coneGlyph.SetResolution(10)
coneGlyph.SetHeight(150)
coneGlyph.SetRadius(50)
coneGlyph.Update()
glyphMaxSize = 50
glyphSize = .1
capt = vtk.vtkCaptionActor2D()
capt.BorderOff()
capt.SetCaption(text)
capt.GetCaptionTextProperty().SetFontSize(size)
capt.GetCaptionTextProperty().BoldOn()
capt.GetCaptionTextProperty().ItalicOff()
capt.GetCaptionTextProperty().ShadowOff()
capt.SetAttachmentPoint(attPos)
capt.GetPositionCoordinate().SetCoordinateSystemToNormalizedViewport()
capt.GetPositionCoordinate().SetReferenceCoordinate(None)
capt.GetPositionCoordinate().SetValue(labPos)
capt.SetWidth(0.013*(len(text)+1))
capt.SetHeight(0.1)
capt.ThreeDimensionalLeaderOff()
capt.SetLeaderGlyph(coneGlyph.GetOutput())
capt.SetMaximumLeaderGlyphSize(glyphMaxSize)
capt.SetLeaderGlyphSize(glyphSize)
capt.GetProperty().SetColor(0,0,0)
capt.GetProperty().SetLineWidth(5)
return capt
def vtkRenderWindowInteractorConeExample():
"""Like it says, just a simple example
"""
# create root window
root = Tkinter.Tk()
# create vtkTkRenderWidget
pane = vtkTkRenderWindowInteractor(root, width=300, height=300)
pane.Initialize()
def quit(obj=root):
obj.quit()
pane.AddObserver("ExitEvent", lambda o,e,q=quit: q())
ren = vtk.vtkRenderer()
pane.GetRenderWindow().AddRenderer(ren)
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
ren.AddActor(coneActor)
# pack the pane into the tk root
pane.pack(fill='both', expand=1)
pane.Start()
# start the tk mainloop
root.mainloop()
def OnInit(self):
frame = wx.Frame(None, -1, u'RenderWindowPanel demo',
size=(400, 400))
aspect_radio = wx.RadioBox(
frame, -1,
choices=['%s:%s' %ar for ar in self.ASPECT_RATIOS])
render_window_panel = RenderWindowPanel(frame, -1)
frame.Bind(wx.EVT_RADIOBOX, self.OnRadioSelect)
sizer = wx.BoxSizer(wx.VERTICAL)
sizer.Add(aspect_radio, 0, wx.ALL|wx.EXPAND, 5)
sizer.Add(render_window_panel, 1, wx.ALL|wx.EXPAND, 5)
frame.SetSizer(sizer)
frame.Layout()
frame.Show(True)
self.render_window_panel = render_window_panel
self.SetTopWindow(frame)
renderer = vtk.vtkRenderer()
# stuff to be rendererd
source = vtk.vtkConeSource()
source.SetResolution(8)
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(source.GetOutput())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
renderer.AddActor(actor)
render_window_panel.add_renderer(renderer)
return True
def __init__(self):
ActorFactory.ActorFactory.__init__(self)
colors = ((1, 0, 0), (0, 1, 0), (0, 0, 1))
self._Properties = []
for i in range(3):
property = vtk.vtkProperty()
property.SetColor(colors[i])
property.SetAmbient(1.0)
property.SetOpacity(0.3)
self._Properties.append(property)
self._ConeProperties = []
for i in range(3):
property = vtk.vtkProperty()
property.SetColor(colors[i])
property.SetAmbient(1.0)
# property.SetOpacity(0.3)
self._ConeProperties.append(property)
self._Planes = []
self._Cutters = []
self._LineActorsIndex = []
self._ConeActorsIndex = []
self._ConeSize = 24.0
self._Cones = []
for i in range(6):
cone = vtk.vtkConeSource()
cone.SetResolution(2)
cone.SetHeight(self._ConeSize)
cone.SetRadius(self._ConeSize)
self._Cones.append(cone)
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.ren.SetBackground(0.1, 0.2, 0.4)
self.vtkWidget.GetRenderWindow().AddRenderer(self.ren)
self.iren = self.vtkWidget.GetRenderWindow().GetInteractor()
# Create source
source = vtk.vtkConeSource()
source.SetHeight(3.0)
source.SetRadius(1.0)
source.SetResolution(20)
# Create a mapper
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(source.GetOutputPort())
# Create an actor
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.ren.AddActor(actor)
self.ren.ResetCamera()
self._initialized = False
def initialize(self):
global renderer, renderWindow, renderWindowInteractor, cone, mapper, actor
# Bring used components
self.registerVtkWebProtocol(protocols.vtkWebMouseHandler())
self.registerVtkWebProtocol(protocols.vtkWebViewPort())
self.registerVtkWebProtocol(protocols.vtkWebViewPortImageDelivery())
self.registerVtkWebProtocol(protocols.vtkWebViewPortGeometryDelivery())
# Create default pipeline (Only once for all the session)
if not _WebCone.view:
# VTK specific code
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderWindowInteractor.GetInteractorStyle().SetCurrentStyleToTrackballCamera()
cone = vtk.vtkConeSource()
mapper = vtk.vtkPolyDataMapper()
actor = vtk.vtkActor()
mapper.SetInputConnection(cone.GetOutputPort())
actor.SetMapper(mapper)
renderer.AddActor(actor)
renderer.ResetCamera()
renderWindow.Render()
# VTK Web application specific
_WebCone.view = renderWindow
self.Application.GetObjectIdMap().SetActiveObject("VIEW", renderWindow)
def QVTKRenderWidgetConeExample():
"""A simple example that uses the QVTKRenderWindowInteractor
class. """
# every QT app needs an app
app = qt.QApplication(['QVTKRenderWindowInteractor'])
# create the widget
widget = QVTKRenderWindowInteractor()
widget.Initialize()
widget.Start()
# if you dont want the 'q' key to exit comment this.
widget.AddObserver("ExitEvent", lambda o, e, a=app: a.quit())
ren = vtk.vtkRenderer()
widget.GetRenderWindow().AddRenderer(ren)
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInputConnection(cone.GetOutputPort())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
ren.AddActor(coneActor)
# show the widget
widget.show()
# close the application when window is closed
app.setMainWidget(widget)
# start event processing
app.exec_loop()
def initialize(self, VTKWebApp, args):
if not VTKWebApp.view:
# VTK specific code
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderWindowInteractor.GetInteractorStyle().SetCurrentStyleToTrackballCamera()
cone = vtk.vtkConeSource()
mapper = vtk.vtkPolyDataMapper()
actor = vtk.vtkActor()
mapper.SetInputConnection(cone.GetOutputPort())
actor.SetMapper(mapper)
renderer.AddActor(actor)
renderer.ResetCamera()
renderWindow.Render()
# VTK Web application specific
VTKWebApp.view = renderWindow
self.Application.GetObjectIdMap().SetActiveObject("VIEW", renderWindow)
def wxVTKRenderWindowConeExample():
"""Like it says, just a simple example.
"""
# every wx app needs an app
app = wx.PySimpleApp()
# create the widget
frame = wx.Frame(None, -1, "wxVTKRenderWindow", size=(400,400))
widget = wxVTKRenderWindow(frame, -1)
ren = vtk.vtkRenderer()
widget.GetRenderWindow().AddRenderer(ren)
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
ren.AddActor(coneActor)
# show the window
frame.Show()
app.MainLoop()
def __init__(self, center=(-2,0,0), radius = 1, angle=45, height=0.4, color=(1,1,0) , resolution=60):
""" cone"""
self.src = vtk.vtkConeSource()
self.src.SetResolution(resolution)
self.src.SetRadius( radius )
#self.src.SetAngle( angle )
self.src.SetHeight( height )
#self.src.SetCenter(center)
transform = vtk.vtkTransform()
transform.Translate(center[0], center[1], center[2] - self.src.GetHeight()/2)
#transform.RotateX(rotXYZ[0])
transform.RotateY( -90 )
#transform.RotateZ(rotXYZ[2])
transformFilter=vtk.vtkTransformPolyDataFilter()
transformFilter.SetTransform(transform)
transformFilter.SetInputConnection(self.src.GetOutputPort())
transformFilter.Update()
self.mapper = vtk.vtkPolyDataMapper()
self.mapper.SetInput(transformFilter.GetOutput())
#self.mapper = vtk.vtkPolyDataMapper()
#self.mapper.SetInput(self.src.GetOutput())
self.SetMapper(self.mapper)
self.SetColor(color)
def __init__(self, module_manager):
SimpleVTKClassModuleBase.__init__(
self, module_manager,
vtk.vtkConeSource(), 'Processing.',
(), ('vtkPolyData',),
replaceDoc=True,
inputFunctions=None, outputFunctions=None)
def renderthis(self):
# open a window and create a renderer
ren = vtk.vtkRenderer()
self.widget.GetRenderWindow().AddRenderer(ren)
# to generate polygonal data for a cone.
cone = vtk.vtkConeSource()
cone.SetResolution(25)
# o take the polygonal data from the vtkConeSource and
# create a rendering for the renderer.
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
# create an actor for our scene
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
# Add actor
ren.AddActor(coneActor)
axes = vtk.vtkAxesActor()
self.marker = vtk.vtkOrientationMarkerWidget()
self.marker.SetInteractor( self.widget._Iren )
self.marker.SetOrientationMarker( axes )
self.marker.SetViewport(0.75,0,1,0.25)
self.marker.SetEnabled(1)
ren.ResetCamera()
ren.ResetCameraClippingRange()
cam = ren.GetActiveCamera()
cam.Elevation(10)
cam.Azimuth(70)
self.isploted = True
def ex():
# create a rendering window and renderer
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
WIDTH=640
HEIGHT=480
renWin.SetSize(WIDTH,HEIGHT)
# create a renderwindowinteractor
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# create cone
cone = vtk.vtkConeSource()
cone.SetResolution(60)
cone.SetCenter(-2,0,0)
# mapper
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
# actor
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
# assign actor to the renderer
ren.AddActor(coneActor)
# enable user interface interactor
iren.Initialize()
renWin.Render()
iren.Start()
def testQVTKWidget(self):
w2 = vtk.QVTKWidget()
w2.resize(500,500)
ren = vtk.vtkRenderer()
ren.SetBackground(0,0,0)
ren.SetBackground2(1,1,1)
ren.SetGradientBackground(1)
win2 = vtk.vtkRenderWindow()
win2.AddRenderer(ren)
w2.SetRenderWindow(win2)
renwin = w2.GetRenderWindow()
cone = vtk.vtkConeSource()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(cone.GetOutput())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
ren.AddViewProp(actor)
ren.ResetCamera()
w2.show()
if Testing.isInteractive():
PyQt4.QtGui.qApp.exec_()
def drawVtkSymb(symbType,renderer, RGBcolor, vPos, vDir, scale):
'''Adds to the renderer a symbol of type 'arrow', 'doubleArrow',
'cone', 'doubleCone', 'sphere', 'doubleSphere','cube' , 'doubleCube',
'cylinder', 'doubleCylinder'
:param symbType: type of symbol (available types: 'arrow', 'doubleArrow',
'cone', 'doubleCone', 'sphere', 'doubleSphere','cube' ,
'doubleCube', 'cylinder', 'doubleCylinder')
:param renderer: vtk renderer
:param RGBcolor: list [R,G,B] with the 3 components of color
:param vPos: list [x,y,z] with the 3 coordinates of the point where
to place the symbol.
:param vDir: director vector to orient the symbol
:param scale: scale to be applied to the symbol representation
'''
symTpLow=symbType.lower()
if 'arrow' in symTpLow:
symbSource=vtk.vtkArrowSource()
elif 'cone' in symTpLow:
symbSource=vtk.vtkConeSource()
elif 'sphere' in symTpLow:
symbSource=vtk.vtkSphereSource()
elif 'cube' in symTpLow:
symbSource=vtk.vtkCubeSource()
elif 'cylinder' in symTpLow:
symbSource=vtk.vtkCylinderSource()
vPosVx=[vPos[i]-scale/2.0*vDir[i] for i in range(3)] #vertex position
addSymb(symbSource,renderer, RGBcolor, vPosVx, vDir, scale)
if 'double' in symTpLow:
vPosVx=[vPosVx[i]-scale*vDir[i] for i in range(3)] #vertex position
addSymb(symbSource,renderer, RGBcolor, vPosVx, vDir, scale)
def __init__ (self, mod_m):
debug ("In VelocityVector::__init__ ()")
Common.state.busy ()
Base.Objects.Module.__init__ (self, mod_m)
self.glyph2d_src = vtk.vtkGlyphSource2D ()
self.cone = vtk.vtkConeSource ()
self.arrow = vtk.vtkArrowSource ()
self.glyph_src = self.cone
self.glyph3d = vtk.vtkGlyph3D ()
self.mapper = self.map = vtk.vtkPolyDataMapper ()
self.actor = self.act = vtk.vtkActor ()
# used to orient the cone properly
self.glph_trfm = vtk.vtkTransformFilter ()
self.glph_trfm.SetTransform (vtk.vtkTransform ())
self.data_out = self.mod_m.GetOutput ()
# Point of glyph that is attached -- -1 is tail, 0 is center,
# 1 is head.
self.glyph_pos = -1
self.scale = 1.0
self.color_mode = 2 #2 is vector, 1 is scalar, -1 none
self._initialize ()
self._gui_init ()
self.renwin.Render ()
Common.state.idle ()
def OnInit(self):
"""Initializer.
"""
frame = wx.Frame(None, -1, u'DatasourcePanel Demo')
# Node provides vtkRenderer.
visualizer_node = Vtk3dVisualizerNode()
# Panel provides wxVtkRenderWindowInteractor.
visualizer_panel = Vtk3dVisualizerPage(frame, -1, target=visualizer_node)
sizer = wx.BoxSizer()
sizer.Add(visualizer_panel, 1, wx.ALL|wx.EXPAND, 5)
frame.SetSizer(sizer)
frame.Layout()
frame.Show(True)
self.SetTopWindow(frame)
# configure renderer.
renderer = visualizer_node.renderer
source = vtk.vtkConeSource()
source.SetResolution(64)
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(source.GetOutput())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
renderer.AddActor(actor)
# add renderer to the window.
visualizer_panel.add_renderer(renderer)
return True
def QVTKRenderWidgetConeExample():
"""Like it says, just a simple example
"""
# every QT app needs an app
app = QApplication(['QVTKRenderWidget'])
# create the widget
widget = QVTKRenderWidget()
ren = vtk.vtkRenderer()
widget.GetRenderWindow().AddRenderer(ren)
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
ren.AddActor(coneActor)
# show the widget
widget.show()
# close the application when window is closed
qApp.setMainWidget(widget)
# start event processing
app.exec_loop()
def ConeSource(self, currentElement):
source = vtk.vtkConeSource()
try:
source.SetHeight( float(currentElement.get('SetHeight')) )
except:
self.logger.error(' .. <ConeSource> failed to SetHeight')
try:
source.SetRadius( float(currentElement.get('SetRadius')) )
except:
self.logger.error(' .. <ConeSource> failed to SetRadius')
if 'SetResolution' in currentElement.keys():
try:
source.SetResolution( int(currentElement.get('SetResolution')) )
except:
self.logger.error(' .. <ConeSource> failed to SetResolution')
if 'SetCenter' in currentElement.keys():
try:
source.SetCenter( coordsFromString(currentElement.get('SetCenter')) )
except:
self.logger.error(' .. <ConeSource> failed to SetCenter')
if 'SetDirection' in currentElement.keys():
try:
source.SetDirection( coordsFromString(currentElement.get('SetDirection')) )
except:
self.logger.error(' .. <ConeSource> failed to SetDirection')
return source
def vtkRenderWidgetConeExample():
"""Like it says, just a simple example
"""
# create root window
root = Tkinter.Tk()
# create vtkTkRenderWidget
pane = vtkTkRenderWidget(root,width=300,height=300)
ren = vtk.vtkRenderer()
pane.GetRenderWindow().AddRenderer(ren)
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
ren.AddActor(coneActor)
# pack the pane into the tk root
pane.pack()
# start the tk mainloop
root.mainloop()
def QVTKRenderWidgetConeExample():
"""A simple example that uses the QVTKRenderWindowInteractor class."""
# every QT app needs an app
app = QApplication(['QVTKRenderWindowInteractor'])
# create the widget
frame, widget = QFramedVTK()
# for PyQt4, no automatic retina handling
# frame, widget = QFramedVTK(retina=True)
widget.Initialize()
widget.Start()
# if you dont want the 'q' key to exit comment this.
widget.AddObserver("ExitEvent", lambda o, e, a=app: a.quit())
ren = vtk.vtkRenderer()
widget.GetRenderWindow().AddRenderer(ren)
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInputConnection(cone.GetOutputPort())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
ren.AddActor(coneActor)
# show the widget
frame.show()
# start event processing
app.exec_()
def initPicker(self):
coneSource = vtk.vtkConeSource()
coneSource.CappingOn()
coneSource.SetHeight(2)
coneSource.SetRadius(1)
coneSource.SetResolution(10)
coneSource.SetCenter(1,0,0)
coneSource.SetDirection(-1,0,0)
coneMapper = vtk.vtkDataSetMapper()
coneMapper.SetInputConnection(coneSource.GetOutputPort())
self.redCone = vtk.vtkActor()
self.redCone.PickableOff()
self.redCone.SetMapper(coneMapper)
self.redCone.GetProperty().SetColor(1,0,0)
self.greenCone = vtk.vtkActor()
self.greenCone.PickableOff()
self.greenCone.SetMapper(coneMapper)
self.greenCone.GetProperty().SetColor(0,1,0)
# Add the two cones (or just one, if you want)
self.renderer.AddViewProp(self.redCone)
self.renderer.AddViewProp(self.greenCone)
self.picker = vtk.vtkVolumePicker()
self.picker.SetTolerance(1e-6)
self.picker.SetVolumeOpacityIsovalue(0.1)
def QVTKRenderWidgetConeExample():
"""Like it says, just a simple example
"""
# every QT app needs an app
app = QtGui.QApplication(['QVTKRenderWidget'])
# create the widget
widget = QVTKRenderWidget()
ren = vtk.vtkRenderer()
widget.GetRenderWindow().AddRenderer(ren)
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
VTK_MAJOR_VERSION=vtk.vtkVersion.GetVTKMajorVersion()
if VTK_MAJOR_VERSION>=6:
coneMapper.SetInputData(cone.GetOutput())
else:
coneMapper.SetInput(cone.GetOutput())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
ren.AddActor(coneActor)
# show the widget
widget.show()
# close the application when window is closed
#qApp.setMainWidget(widget)
#app.setMainWidget(widget)
# start event processing
sys.exit(app.exec_())
def setUp(self):
logging.debug("In VtkSceneTest::setUp()")
self.cone = vtk.vtkConeSource()
self.cone.SetResolution(8)
self.coneMapper = vtk.vtkPolyDataMapper()
self.coneMapper.SetInput(self.cone.GetOutput())
self.coneActor = vtk.vtkActor()
self.coneActor.SetMapper(self.coneMapper)
def setup(self):
self.axes = self.addPart(ObjectBase(vtk.vtkAxes()))
self.xcone = self.addPart(ObjectBase(vtk.vtkConeSource()))
self.xcone._actor.SetScale(0.1,0.05,0.05)
self.xcone._actor.AddPosition(1.0,0.0,0.0)
self.xcone._actor.GetProperty().SetColor(1.0,0.3,0.3)
self.ycone = self.addPart(ObjectBase(vtk.vtkConeSource()))
self.ycone._actor.SetScale(0.1,0.05,0.05)
self.ycone._actor.RotateZ(90.0)
self.ycone._actor.AddPosition(0.0,1.0,0.0)
self.ycone._actor.GetProperty().SetColor(1.0,1.0,0.0)
self.zcone = self.addPart(ObjectBase(vtk.vtkConeSource()))
self.zcone._actor.SetScale(0.1,0.05,0.05)
self.zcone._actor.RotateY(-90.0)
self.zcone._actor.AddPosition(0.0,0.0,1.0)
self.zcone._actor.GetProperty().SetColor(0.3,1.0,0.3)
self.balls = self.addPart(ObjectBase(vtk.vtkSphereSource()))
self.balls._actor.SetScale(0.05,0.05,0.05)
self.balls._actor.GetProperty().SetColor(0.3,0.3,1.0)
self.xtxt = ObjectBase(vtk.vtkVectorText(),
actorType=vtk.vtkFollower)
self.xtxt._source.SetText('X')
self.xtxt._actor.SetScale(0.1,0.1,0.1)
self.xtxt._actor.AddPosition(1.0,0.0,0.0)
self.xtxt._actor.GetProperty().SetColor(1.0,0.3,0.3)
self.addPart(self.xtxt)
self.ytxt = ObjectBase(vtk.vtkVectorText(),
actorType=vtk.vtkFollower)
self.ytxt._source.SetText('Y')
self.ytxt._actor.SetScale(0.1,0.1,0.1)
self.ytxt._actor.AddPosition(0.0,1.0,0.0)
self.ytxt._actor.GetProperty().SetColor(1.0,1.0,0.0)
self.addPart(self.ytxt)
self.ztxt = ObjectBase(vtk.vtkVectorText(),
actorType=vtk.vtkFollower)
self.ztxt._source.SetText('Z')
self.ztxt._actor.SetScale(0.1,0.1,0.1)
self.ztxt._actor.AddPosition(0.0,0.0,1.0)
self.ztxt._actor.GetProperty().SetColor(0.3,1.0,0.3)
self.addPart(self.ztxt)
self.ntxt = ObjectBase(vtk.vtkVectorText(),
actorType=vtk.vtkFollower)
self.ntxt._source.SetText('0')
self.ntxt._actor.SetScale(0.1,0.1,0.1)
self.ntxt._actor.GetProperty().SetColor(0.3,0.3,1.0)
self.addPart(self.ntxt)
def draw_sample_cone(self):
"For testing"
cone = vtk.vtkConeSource()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(cone.GetOutputPort())
actor = vtk.vtkActor()
actor.SetMapper(mapper)
self.ren.AddActor(actor)
self.ren_win.Render()
def __init__(self):
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
self.actor = vtk.vtkActor()
self.actor.SetMapper(coneMapper)
def _create_actors(self):
"""Creates demo cone actors.
"""
cone = vtk.vtkConeSource()
cone.SetResolution(8)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInput(cone.GetOutput())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
self._actors['Cone'] = coneActor
def __init__(self, *args, **kwargs):
super(DemoConeVisualizerNode, self).__init__(*args, **kwargs)
self.renderer
source = vtk.vtkConeSource()
source.SetResolution(64)
mapper = vtk.vtkPolyDataMapper()
mapper.SetInput(source.GetOutput())
self.actor = vtk.vtkActor()
self.actor.SetMapper(mapper)
self.renderer.AddActor(self.actor)
self.renderer
ga.SetMapper(gm) s1Mapper.SetScalarRange(g.GetOutput().GetScalarRange()) # # Create outline around data # outline = vtk.vtkOutlineFilter() outline.SetInputConnection(ptLoad.GetOutputPort()) outlineMapper = vtk.vtkPolyDataMapper() outlineMapper.SetInputConnection(outline.GetOutputPort()) outlineActor = vtk.vtkActor() outlineActor.SetMapper(outlineMapper) outlineActor.GetProperty().SetColor(0, 0, 0) # # Create cone indicating application of load # coneSrc = vtk.vtkConeSource() coneSrc.SetRadius(.5) coneSrc.SetHeight(2) coneMap = vtk.vtkPolyDataMapper() coneMap.SetInputConnection(coneSrc.GetOutputPort()) coneActor = vtk.vtkActor() coneActor.SetMapper(coneMap) coneActor.SetPosition(0, 0, 11) coneActor.RotateY(90) coneActor.GetProperty().SetColor(1, 0, 0) camera = vtk.vtkCamera() camera.SetFocalPoint(0.113766, -1.13665, -1.01919) camera.SetPosition(-29.4886, -63.1488, 26.5807) camera.SetViewAngle(24.4617) camera.SetViewUp(0.17138, 0.331163, 0.927879) camera.SetClippingRange(1, 100)
def main():
colors = vtk.vtkNamedColors()
# Create the RenderWindow, Renderer and Interactor.
#
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Generate the tensors.
ptLoad = vtk.vtkPointLoad()
ptLoad.SetLoadValue(100.0)
ptLoad.SetSampleDimensions(20, 20, 20)
ptLoad.ComputeEffectiveStressOn()
ptLoad.SetModelBounds(-10, 10, -10, 10, -10, 10)
ptLoad.Update()
# Generate the hyperstreamlines.
s1 = vtk.vtkHyperStreamline()
s1.SetInputData(ptLoad.GetOutput())
s1.SetStartPosition(9, 9, -9)
s1.IntegrateMinorEigenvector()
s1.SetMaximumPropagationDistance(18.0)
s1.SetIntegrationStepLength(0.1)
s1.SetStepLength(0.01)
s1.SetRadius(0.25)
s1.SetNumberOfSides(18)
s1.SetIntegrationDirectionToIntegrateBothDirections()
s1.Update()
# Map the hyperstreamlines.
lut = vtk.vtkLogLookupTable()
lut.SetHueRange(.6667, 0.0)
s1Mapper = vtk.vtkPolyDataMapper()
s1Mapper.SetInputConnection(s1.GetOutputPort())
s1Mapper.SetLookupTable(lut)
s1Mapper.SetScalarRange(ptLoad.GetOutput().GetScalarRange())
s1Actor = vtk.vtkActor()
s1Actor.SetMapper(s1Mapper)
s2 = vtk.vtkHyperStreamline()
s2.SetInputData(ptLoad.GetOutput())
s2.SetStartPosition(-9, -9, -9)
s2.IntegrateMinorEigenvector()
s2.SetMaximumPropagationDistance(18.0)
s2.SetIntegrationStepLength(0.1)
s2.SetStepLength(0.01)
s2.SetRadius(0.25)
s2.SetNumberOfSides(18)
s2.SetIntegrationDirectionToIntegrateBothDirections()
s2.Update()
s2Mapper = vtk.vtkPolyDataMapper()
s2Mapper.SetInputConnection(s2.GetOutputPort())
s2Mapper.SetLookupTable(lut)
s2Mapper.SetScalarRange(ptLoad.GetOutput().GetScalarRange())
s2Actor = vtk.vtkActor()
s2Actor.SetMapper(s2Mapper)
s3 = vtk.vtkHyperStreamline()
s3.SetInputData(ptLoad.GetOutput())
s3.SetStartPosition(9, -9, -9)
s3.IntegrateMinorEigenvector()
s3.SetMaximumPropagationDistance(18.0)
s3.SetIntegrationStepLength(0.1)
s3.SetStepLength(0.01)
s3.SetRadius(0.25)
s3.SetNumberOfSides(18)
s3.SetIntegrationDirectionToIntegrateBothDirections()
s3.Update()
s3Mapper = vtk.vtkPolyDataMapper()
s3Mapper.SetInputConnection(s3.GetOutputPort())
s3Mapper.SetLookupTable(lut)
s3Mapper.SetScalarRange(ptLoad.GetOutput().GetScalarRange())
s3Actor = vtk.vtkActor()
s3Actor.SetMapper(s3Mapper)
s4 = vtk.vtkHyperStreamline()
s4.SetInputData(ptLoad.GetOutput())
s4.SetStartPosition(-9, 9, -9)
s4.IntegrateMinorEigenvector()
s4.SetMaximumPropagationDistance(18.0)
s4.SetIntegrationStepLength(0.1)
s4.SetStepLength(0.01)
s4.SetRadius(0.25)
s4.SetNumberOfSides(18)
s4.SetIntegrationDirectionToIntegrateBothDirections()
s4.Update()
s4Mapper = vtk.vtkPolyDataMapper()
s4Mapper.SetInputConnection(s4.GetOutputPort())
s4Mapper.SetLookupTable(lut)
s4Mapper.SetScalarRange(ptLoad.GetOutput().GetScalarRange())
s4Actor = vtk.vtkActor()
s4Actor.SetMapper(s4Mapper)
# A plane for context.
#
g = vtk.vtkImageDataGeometryFilter()
g.SetInputData(ptLoad.GetOutput())
g.SetExtent(0, 100, 0, 100, 0, 0)
g.Update() # for scalar range
gm = vtk.vtkPolyDataMapper()
gm.SetInputConnection(g.GetOutputPort())
gm.SetScalarRange(g.GetOutput().GetScalarRange())
ga = vtk.vtkActor()
ga.SetMapper(gm)
# Create an outline around the data.
#
outline = vtk.vtkOutlineFilter()
outline.SetInputData(ptLoad.GetOutput())
outlineMapper = vtk.vtkPolyDataMapper()
outlineMapper.SetInputConnection(outline.GetOutputPort())
outlineActor = vtk.vtkActor()
outlineActor.SetMapper(outlineMapper)
outlineActor.GetProperty().SetColor(colors.GetColor3d("Black"))
# Create a cone indicating the application of the load.
#
coneSrc = vtk.vtkConeSource()
coneSrc.SetRadius(.5)
coneSrc.SetHeight(2)
coneMap = vtk.vtkPolyDataMapper()
coneMap.SetInputConnection(coneSrc.GetOutputPort())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMap)
coneActor.SetPosition(0, 0, 11)
coneActor.RotateY(90)
coneActor.GetProperty().SetColor(colors.GetColor3d("Tomato"))
camera = vtk.vtkCamera()
camera.SetFocalPoint(0.113766, -1.13665, -1.01919)
camera.SetPosition(-29.4886, -63.1488, 26.5807)
camera.SetViewAngle(24.4617)
camera.SetViewUp(0.17138, 0.331163, 0.927879)
camera.SetClippingRange(1, 100)
ren1.AddActor(s1Actor)
ren1.AddActor(s2Actor)
ren1.AddActor(s3Actor)
ren1.AddActor(s4Actor)
ren1.AddActor(outlineActor)
ren1.AddActor(coneActor)
ren1.AddActor(ga)
ren1.SetBackground(colors.GetColor3d("SlateGray"))
ren1.SetActiveCamera(camera)
renWin.SetSize(640, 480)
renWin.Render()
iren.Start()
def quiver3d(self,
x,
y,
z,
u,
v,
w,
color,
scale,
mode,
resolution=8,
glyph_height=None,
glyph_center=None,
glyph_resolution=None,
opacity=1.0,
scale_mode='none',
scalars=None,
backface_culling=False,
line_width=2.,
name=None):
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=FutureWarning)
factor = scale
vectors = np.c_[u, v, w]
points = np.vstack(np.c_[x, y, z])
n_points = len(points)
cell_type = np.full(n_points, vtk.VTK_VERTEX)
cells = np.c_[np.full(n_points, 1), range(n_points)]
args = (cells, cell_type, points)
if not VTK9:
args = (np.arange(n_points) * 3, ) + args
grid = UnstructuredGrid(*args)
grid.point_arrays['vec'] = vectors
if scale_mode == 'scalar':
grid.point_arrays['mag'] = np.array(scalars)
scale = 'mag'
else:
scale = False
if mode == '2darrow':
return _arrow_glyph(grid, factor)
elif mode == 'arrow' or mode == '3darrow':
_add_mesh(self.plotter,
grid.glyph(orient='vec', scale=scale, factor=factor),
color=color,
opacity=opacity,
backface_culling=backface_culling)
elif mode == 'cone':
cone = vtk.vtkConeSource()
if glyph_height is not None:
cone.SetHeight(glyph_height)
if glyph_center is not None:
cone.SetCenter(glyph_center)
if glyph_resolution is not None:
cone.SetResolution(glyph_resolution)
cone.Update()
geom = cone.GetOutput()
_add_mesh(self.plotter,
grid.glyph(orient='vec',
scale=scale,
factor=factor,
geom=geom),
color=color,
opacity=opacity,
backface_culling=backface_culling)
elif mode == 'cylinder':
cylinder = vtk.vtkCylinderSource()
cylinder.SetHeight(glyph_height)
cylinder.SetRadius(0.15)
cylinder.SetCenter(glyph_center)
cylinder.SetResolution(glyph_resolution)
cylinder.Update()
# fix orientation
tr = vtk.vtkTransform()
tr.RotateWXYZ(90, 0, 0, 1)
trp = vtk.vtkTransformPolyDataFilter()
trp.SetInputData(cylinder.GetOutput())
trp.SetTransform(tr)
trp.Update()
geom = trp.GetOutput()
_add_mesh(self.plotter,
grid.glyph(orient='vec',
scale=scale,
factor=factor,
geom=geom),
color=color,
opacity=opacity,
backface_culling=backface_culling)
def quiver3d(self, x, y, z, u, v, w, color, scale, mode, resolution=8,
glyph_height=None, glyph_center=None, glyph_resolution=None,
opacity=1.0, scale_mode='none', scalars=None,
backface_culling=False):
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=FutureWarning)
factor = scale
vectors = np.c_[u, v, w]
points = np.vstack(np.c_[x, y, z])
n_points = len(points)
offset = np.arange(n_points) * 3
cell_type = np.full(n_points, vtk.VTK_VERTEX)
cells = np.c_[np.full(n_points, 1), range(n_points)]
grid = UnstructuredGrid(offset, cells, cell_type, points)
grid.point_arrays['vec'] = vectors
if scale_mode == "scalar":
grid.point_arrays['mag'] = np.array(scalars)
scale = 'mag'
else:
scale = False
if mode == "arrow":
self.plotter.add_mesh(grid.glyph(orient='vec',
scale=scale,
factor=factor),
color=color,
opacity=opacity,
backface_culling=backface_culling,
smooth_shading=self.figure.
smooth_shading)
elif mode == "cone":
cone = vtk.vtkConeSource()
if glyph_height is not None:
cone.SetHeight(glyph_height)
if glyph_center is not None:
cone.SetCenter(glyph_center)
if glyph_resolution is not None:
cone.SetResolution(glyph_resolution)
cone.Update()
geom = cone.GetOutput()
self.plotter.add_mesh(grid.glyph(orient='vec',
scale=scale,
factor=factor,
geom=geom),
color=color,
opacity=opacity,
backface_culling=backface_culling,
smooth_shading=self.figure.
smooth_shading)
elif mode == "cylinder":
cylinder = vtk.vtkCylinderSource()
cylinder.SetHeight(glyph_height)
cylinder.SetRadius(0.15)
cylinder.SetCenter(glyph_center)
cylinder.SetResolution(glyph_resolution)
cylinder.Update()
# fix orientation
tr = vtk.vtkTransform()
tr.RotateWXYZ(90, 0, 0, 1)
trp = vtk.vtkTransformPolyDataFilter()
trp.SetInputData(cylinder.GetOutput())
trp.SetTransform(tr)
trp.Update()
geom = trp.GetOutput()
self.plotter.add_mesh(grid.glyph(orient='vec',
scale=scale,
factor=factor,
geom=geom),
color=color,
opacity=opacity,
backface_culling=backface_culling,
smooth_shading=self.figure.
smooth_shading)
def main():
colors = vtk.vtkNamedColors()
# Create polydata to slice the grid with. In this case, use a cone. This could
# be any polydata including a stl file.
cone = vtk.vtkConeSource()
cone.SetResolution(20)
cone.Update()
# implicit function that will be used to slice the mesh
implicitPolyDataDistance = vtk.vtkImplicitPolyDataDistance()
implicitPolyDataDistance.SetInput(cone.GetOutput())
# create a grid
xCoords = vtk.vtkFloatArray()
for x, i in enumerate(np.linspace(-1.0, 1.0, 15)):
xCoords.InsertNextValue(i)
yCoords = vtk.vtkFloatArray()
for y, i in enumerate(np.linspace(-1.0, 1.0, 15)):
yCoords.InsertNextValue(i)
zCoords = vtk.vtkFloatArray()
for z, i in enumerate(np.linspace(-1.0, 1.0, 15)):
zCoords.InsertNextValue(i)
# The coordinates are assigned to the rectilinear grid. Make sure that
# the number of values in each of the XCoordinates, YCoordinates,
# and ZCoordinates is equal to what is defined in SetDimensions().
rgrid = vtk.vtkRectilinearGrid()
rgrid.SetDimensions(x + 1, y + 1, z + 1)
rgrid.SetXCoordinates(xCoords)
rgrid.SetYCoordinates(yCoords)
rgrid.SetZCoordinates(zCoords)
# Create an array to hold distance information
signedDistances = vtk.vtkFloatArray()
signedDistances.SetNumberOfComponents(1)
signedDistances.SetName("SignedDistances")
# Evaluate the signed distance function at all of the grid points
for pointId in range(rgrid.GetNumberOfPoints()):
p = rgrid.GetPoint(pointId)
signedDistance = implicitPolyDataDistance.EvaluateFunction(p)
signedDistances.InsertNextValue(signedDistance)
# add the SignedDistances to the grid
rgrid.GetPointData().SetScalars(signedDistances)
# use vtkClipDataSet to slice the grid with the polydata
clipper = vtk.vtkClipDataSet()
clipper.SetInputData(rgrid)
clipper.InsideOutOn()
clipper.SetValue(0.0)
clipper.Update()
# --- mappers, actors, render, etc. ---
# mapper and actor to view the cone
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInputConnection(cone.GetOutputPort())
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
# geometry filter to view the background grid
geometryFilter = vtk.vtkRectilinearGridGeometryFilter()
geometryFilter.SetInputData(rgrid)
geometryFilter.SetExtent(0, x + 1, 0, y + 1, (z + 1) // 2, (z + 1) // 2)
geometryFilter.Update()
rgridMapper = vtk.vtkPolyDataMapper()
rgridMapper.SetInputConnection(geometryFilter.GetOutputPort())
wireActor = vtk.vtkActor()
wireActor.SetMapper(rgridMapper)
wireActor.GetProperty().SetRepresentationToWireframe()
wireActor.GetProperty().SetColor(colors.GetColor3d('Black'))
# mapper and actor to view the clipped mesh
clipperMapper = vtk.vtkDataSetMapper()
clipperMapper.SetInputConnection(clipper.GetOutputPort())
clipperActor = vtk.vtkActor()
clipperActor.SetMapper(clipperMapper)
clipperActor.GetProperty().SetRepresentationToWireframe()
clipperActor.GetProperty().SetColor(colors.GetColor3d('Black'))
# A renderer and render window
renderer = vtk.vtkRenderer()
renderer.SetBackground(colors.GetColor3d('White'))
# add the actors
# renderer.AddActor(coneActor)
renderer.AddActor(wireActor)
renderer.AddActor(clipperActor)
renwin = vtk.vtkRenderWindow()
renwin.AddRenderer(renderer)
# An interactor
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetRenderWindow(renwin)
# Start
interactor.Initialize()
renwin.Render()
renderer.GetActiveCamera().SetPosition(0, -1, 0)
renderer.GetActiveCamera().SetFocalPoint(0, 0, 0)
renderer.GetActiveCamera().SetViewUp(0, 0, 1)
renderer.GetActiveCamera().Azimuth(30)
renderer.GetActiveCamera().Elevation(30)
renderer.ResetCamera()
renwin.Render()
interactor.Start()
import vtk cone_source = vtk.vtkConeSource() cone_source.SetHeight(3) cone_source.SetRadius(1) cone_source.SetResolution(10) cone_mapper = vtk.vtkPolyDataMapper() cone_mapper.SetInputConnection(cone_source.GetOutputPort()) cone_actor = vtk.vtkActor() cone_actor.SetMapper(cone_mapper) cone_properties = cone_actor.GetProperty() cone_properties.SetColor(1.0, 0.3882, 0.2784) cone_properties.SetDiffuse(0.7) cone_properties.SetSpecular(0.4) cone_properties.SetSpecularPower(20) # linear transform matrix t1 = vtk.vtkMatrixToLinearTransform() m1 = vtk.vtkMatrix4x4() t1.SetInput(m1) m1.SetElement(0, 0, 1) m1.SetElement(0, 1, 0) m1.SetElement(0, 2, 0) m1.SetElement(0, 3, 0) m1.SetElement(1, 0, 0) m1.SetElement(1, 1, 1)
rt.SetWholeExtent(-2,2,-2,2,0,0) # Take the gradient of the only scalar 'RTData' to get a vector attribute grad = vtk.vtkImageGradient() grad.SetDimensionality(3) grad.SetInputConnection(rt.GetOutputPort()) # Elevation just to generate another scalar attribute that varies nicely over the data range elev = vtk.vtkElevationFilter() # Elevation values will range from 0 to 1 between the Low and High Points elev.SetLowPoint(-2,0,0) elev.SetHighPoint(2,0,0) elev.SetInputConnection(grad.GetOutputPort()) # Generate the cone for the glyphs sph = vtk.vtkConeSource() sph.SetRadius(0.1) sph.SetHeight(0.5) # Set up the glyph filter glyph = vtk.vtkGlyph3D() glyph.SetInputConnection(elev.GetOutputPort()) glyph.SetSourceConnection(sph.GetOutputPort()) glyph.ScalingOn() glyph.SetScaleModeToScaleByScalar() glyph.SetVectorModeToUseVector() glyph.OrientOn() # Tell the filter to "clamp" the scalar range glyph.ClampingOn()
def __init__(self, parent=None):
super(VTKFrame, self).__init__(parent)
self.vtkWidget = QVTKRenderWindowInteractor(self)
self.iren = self.vtkWidget.GetRenderWindow().GetInteractor()
vl = QtGui.QVBoxLayout(self)
vl.addWidget(self.vtkWidget)
vl.setContentsMargins(0, 0, 0, 0)
# Create source
geometricObjects = list()
geometricObjects.append(vtk.vtkArrowSource())
geometricObjects.append(vtk.vtkConeSource())
geometricObjects.append(vtk.vtkCubeSource())
geometricObjects.append(vtk.vtkCylinderSource())
geometricObjects.append(vtk.vtkDiskSource())
geometricObjects.append(vtk.vtkLineSource())
geometricObjects.append(vtk.vtkRegularPolygonSource())
geometricObjects.append(vtk.vtkSphereSource())
renderers = list()
mappers = list()
actors = list()
textmappers = list()
textactors = list()
# Create a common text property.
textProperty = vtk.vtkTextProperty()
textProperty.SetFontSize(10)
textProperty.SetJustificationToCentered()
# Create a parametric function source, renderer, mapper
# and actor for each object.
for idx, item in enumerate(geometricObjects):
geometricObjects[idx].Update()
mappers.append(vtk.vtkPolyDataMapper())
mappers[idx].SetInputConnection(
geometricObjects[idx].GetOutputPort())
actors.append(vtk.vtkActor())
actors[idx].SetMapper(mappers[idx])
textmappers.append(vtk.vtkTextMapper())
textmappers[idx].SetInput(item.GetClassName())
textmappers[idx].SetTextProperty(textProperty)
textactors.append(vtk.vtkActor2D())
textactors[idx].SetMapper(textmappers[idx])
textactors[idx].SetPosition(150, 16)
renderers.append(vtk.vtkRenderer())
gridDimensions = 3
for idx in range(len(geometricObjects)):
if idx < gridDimensions * gridDimensions:
renderers.append(vtk.vtkRenderer())
rendererSize = 300
# Setup the RenderWindow
self.vtkWidget.GetRenderWindow().SetSize(rendererSize * gridDimensions,
rendererSize * gridDimensions)
# Add and position the renders to the render window.
viewport = list()
for row in range(gridDimensions):
for col in range(gridDimensions):
idx = row * gridDimensions + col
viewport[:] = []
viewport.append(
float(col) * rendererSize /
(gridDimensions * rendererSize))
viewport.append(
float(gridDimensions - (row + 1)) * rendererSize /
(gridDimensions * rendererSize))
viewport.append(
float(col + 1) * rendererSize /
(gridDimensions * rendererSize))
viewport.append(
float(gridDimensions - row) * rendererSize /
(gridDimensions * rendererSize))
if idx > (len(geometricObjects) - 1):
continue
renderers[idx].SetViewport(viewport)
self.vtkWidget.GetRenderWindow().AddRenderer(renderers[idx])
renderers[idx].AddActor(actors[idx])
renderers[idx].AddActor(textactors[idx])
renderers[idx].SetBackground(0.4, 0.3, 0.2)
self._initialized = False
def __init__(self, parent=None):
QMainWindow.__init__(self, parent)
self.frame = QFrame()
self.vl = QHBoxLayout()
self.vtkWidget = QVTKRenderWindowInteractor(self.frame)
self.vpoints_list = []
self.vpoints_dict = {}
sphere = vtk.vtkSphereSource()
ndiv = 8
sphere.SetThetaResolution(ndiv)
sphere.SetPhiResolution(ndiv)
#this sets the original radius of
#the sphere for the glyph
sphere.SetRadius(.5)
cube = vtk.vtkCubeSource()
cube.SetXLength(.75)
cone = vtk.vtkConeSource()
cone.SetRadius(.5)
cone.SetHeight(1.0)
self.src_list = [sphere, cone, cube]
#set up text widget
font = QFont()
font.setFamily("Courier")
font.setStyleHint(QFont.Monospace)
font.setFixedPitch(True)
font.setPointSize(16)
txt = QPlainTextEdit()
txt.setFont(font)
txt.setMaximumWidth(400)
#p = txt.palette()
#ok this works to set txt back color
txt.setStyleSheet("background-color: #999999")
self.txt = txt
c0 = canvas0()
self.c0 = c0
self.vl.addWidget(txt)
self.vl.addWidget(self.vtkWidget)
self.vl.addWidget(c0)
self.c0.draw()
#vtk window setup
self.ren = vtk.vtkRenderer()
self.vtkWidget.GetRenderWindow().AddRenderer(self.ren)
self.iren = self.vtkWidget.GetRenderWindow().GetInteractor()
self.ren.SetBackground(.8, .8, .8)
self.renderer = self.ren
self.frame.setLayout(self.vl)
self.setCentralWidget(self.frame)
self.iren.Start()
#self.statusBar().showMessage('vtk editor')
self.createActions()
self.createMenus()
self.vtkWidget.GetRenderWindow().Render()
self.mlist = []
self.mcolor = ""
#this is necessary
self.show()
def main():
nc = vtk.vtkNamedColors()
# We can print out the variables.
# The color name and RGBA values are displayed.
print(nc)
# Here we just print out the colors and any
# synonyms.
PrintColors(nc)
PrintSynonyms(nc)
"""
Create a cone, contour it using the banded contour filter and
color it with the primary additive and subtractive colors.
"""
# Create a cone
coneSource = vtk.vtkConeSource()
coneSource.SetCenter(0.0, 0.0, 0.0)
coneSource.SetRadius(5.0)
coneSource.SetHeight(10)
coneSource.SetDirection(0, 1, 0)
coneSource.SetResolution(6)
coneSource.Update()
bounds = [1.0, -1.0, 1.0, -1.0, 1.0, -1.0]
coneSource.GetOutput().GetBounds(bounds)
elevation = vtk.vtkElevationFilter()
elevation.SetInputConnection(coneSource.GetOutputPort())
elevation.SetLowPoint(0, bounds[2], 0)
elevation.SetHighPoint(0, bounds[3], 0)
bcf = vtk.vtkBandedPolyDataContourFilter()
bcf.SetInputConnection(elevation.GetOutputPort())
bcf.SetScalarModeToValue()
bcf.GenerateContourEdgesOn()
bcf.GenerateValues(7, elevation.GetScalarRange())
# Test setting and getting a color here.
# We are also modifying alpha.
# Convert to a list so that
# SetColor(name,rgba) works.
rgba = list(nc.GetColor4d("Red"))
rgba[3] = 0.5
nc.SetColor("My Red", rgba)
# Does "My Red" match anything?
match = FindSynonyms(nc, "My Red")
print("Matching colors to My Red:", ', '.join(match))
# Build a simple lookup table of
# primary additive and subtractive colors.
lut = vtk.vtkLookupTable()
lut.SetNumberOfTableValues(7)
lut.SetTableValue(0, nc.GetColor4d("My Red"))
# Let's make the dark green one partially transparent.
rgba = nc.GetColor4d("Lime")
rgba[3] = 0.3
lut.SetTableValue(1, rgba)
lut.SetTableValue(2, nc.GetColor4d("Blue"))
lut.SetTableValue(3, nc.GetColor4d("Cyan"))
lut.SetTableValue(4, nc.GetColor4d("Magenta"))
lut.SetTableValue(5, nc.GetColor4d("Yellow"))
lut.SetTableValue(6, nc.GetColor4d("White"))
lut.SetTableRange(elevation.GetScalarRange())
lut.Build()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(bcf.GetOutputPort())
mapper.SetLookupTable(lut)
mapper.SetScalarModeToUseCellData()
contourLineMapper = vtk.vtkPolyDataMapper()
contourLineMapper.SetInputData(bcf.GetContourEdgesOutput())
contourLineMapper.SetScalarRange(elevation.GetScalarRange())
contourLineMapper.SetResolveCoincidentTopologyToPolygonOffset()
actor = vtk.vtkActor()
actor.SetMapper(mapper)
contourLineActor = vtk.vtkActor()
actor.SetMapper(mapper)
contourLineActor.SetMapper(contourLineMapper)
contourLineActor.GetProperty().SetColor(
nc.GetColor3d("black"))
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderer.AddActor(actor)
renderer.AddActor(contourLineActor)
renderer.SetBackground2(nc.GetColor3d('RoyalBlue'))
renderer.SetBackground(nc.GetColor3d('MistyRose'))
renderer.GradientBackgroundOn()
renderWindow.SetSize(600, 600)
renderWindow.Render()
renderWindow.SetWindowName('NamedColors')
renderWindow.Render()
renderWindow.Render()
renderWindowInteractor.Start()
def testMassProperties(self):
# Create the RenderWindow, Renderer and both Actors
#
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
cone = vtk.vtkConeSource()
cone.SetResolution(50)
sphere = vtk.vtkSphereSource()
sphere.SetPhiResolution(50)
sphere.SetThetaResolution(50)
cube = vtk.vtkCubeSource()
cube.SetXLength(1)
cube.SetYLength(1)
cube.SetZLength(1)
sphereMapper = vtk.vtkPolyDataMapper()
sphereMapper.SetInputConnection(sphere.GetOutputPort())
sphereMapper.GlobalImmediateModeRenderingOn()
sphereActor = vtk.vtkActor()
sphereActor.SetMapper(sphereMapper)
sphereActor.GetProperty().SetDiffuseColor(1, .2, .4)
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInputConnection(cone.GetOutputPort())
coneMapper.GlobalImmediateModeRenderingOn()
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
coneActor.GetProperty().SetDiffuseColor(.2, .4, 1)
cubeMapper = vtk.vtkPolyDataMapper()
cubeMapper.SetInputConnection(cube.GetOutputPort())
cubeMapper.GlobalImmediateModeRenderingOn()
cubeActor = vtk.vtkActor()
cubeActor.SetMapper(cubeMapper)
cubeActor.GetProperty().SetDiffuseColor(.2, 1, .4)
#Add the actors to the renderer, set the background and size
#
sphereActor.SetPosition(-5, 0, 0)
ren.AddActor(sphereActor)
coneActor.SetPosition(0, 0, 0)
ren.AddActor(coneActor)
coneActor.SetPosition(5, 0, 0)
ren.AddActor(cubeActor)
tf = dict()
mp = dict()
vt = dict()
pdm = dict()
ta = dict()
def MakeText(primitive):
tf.update({primitive: vtk.vtkTriangleFilter()})
tf[primitive].SetInputConnection(primitive.GetOutputPort())
mp.update({primitive: vtk.vtkMassProperties()})
mp[primitive].SetInputConnection(tf[primitive].GetOutputPort())
# here we capture stdout and write it to a variable for processing.
summary = StringIO.StringIO()
# save the original stdout
old_stdout = sys.stdout
sys.stdout = summary
print mp[primitive]
summary = summary.getvalue()
startSum = summary.find(" VolumeX")
endSum = len(summary)
print summary[startSum:]
# Restore stdout
sys.stdout = old_stdout
vt.update({primitive: vtk.vtkVectorText()})
vt[primitive].SetText(summary[startSum:])
pdm.update({primitive: vtk.vtkPolyDataMapper()})
pdm[primitive].SetInputConnection(vt[primitive].GetOutputPort())
ta.update({primitive: vtk.vtkActor()})
ta[primitive].SetMapper(pdm[primitive])
ta[primitive].SetScale(.2, .2, .2)
return ta[primitive]
ren.AddActor(MakeText(sphere))
ren.AddActor(MakeText(cube))
ren.AddActor(MakeText(cone))
ta[sphere].SetPosition(sphereActor.GetPosition())
ta[sphere].AddPosition(-2, -1, 0)
ta[cube].SetPosition(cubeActor.GetPosition())
ta[cube].AddPosition(-2, -1, 0)
ta[cone].SetPosition(coneActor.GetPosition())
ta[cone].AddPosition(-2, -1, 0)
ren.SetBackground(0.1, 0.2, 0.4)
renWin.SetSize(786, 256)
# render the image
#
ren.ResetCamera()
cam1 = ren.GetActiveCamera()
cam1.Dolly(3)
ren.ResetCameraClippingRange()
# render and interact with data
iRen = vtk.vtkRenderWindowInteractor()
iRen.SetRenderWindow(renWin);
renWin.Render()
img_file = "MassProperties.png"
vtk.test.Testing.compareImage(iRen.GetRenderWindow(), vtk.test.Testing.getAbsImagePath(img_file), threshold=25)
vtk.test.Testing.interact()
def ChangeSpinGlyph(self, renWin, keyword):
if keyword == 'Cubes':
try:
del ASDMomActors.spinarrow
except:
pass
try:
del self.spinsphere
except:
pass
try:
del self.spincone
except:
pass
self.spincube = vtk.vtkCubeSource()
self.spincube.SetXLength(1.0)
self.spincube.SetYLength(1.0)
self.spincube.SetZLength(1.0)
ASDMomActors.SpinMapper.SetSourceConnection(
self.spincube.GetOutputPort())
ASDMomActors.SpinMapper.ClampingOn()
ASDMomActors.SpinMapper.OrientOff()
renWin.Render()
if keyword == 'Spheres':
try:
del ASDMomActors.spinarrow
except:
pass
try:
del self.spincube
except:
pass
try:
del self.spincone
except:
pass
self.spinsphere = vtk.vtkSphereSource()
self.spinsphere.SetRadius(1.00)
self.spinsphere.SetThetaResolution(20)
self.spinsphere.SetPhiResolution(20)
ASDMomActors.SpinMapper.SetSourceConnection(
self.spinsphere.GetOutputPort())
ASDMomActors.SpinMapper.ClampingOn()
ASDMomActors.SpinMapper.OrientOff()
renWin.Render()
if keyword == 'Arrows':
try:
del self.spinsphere
except:
pass
try:
del self.spincube
except:
pass
try:
del self.spincone
except:
pass
ASDMomActors.spinarrow = vtk.vtkArrowSource()
ASDMomActors.spinarrow.SetTipRadius(0.20)
ASDMomActors.spinarrow.SetShaftRadius(0.10)
ASDMomActors.spinarrow.SetTipResolution(10)
ASDMomActors.spinarrow.SetShaftResolution(10)
ASDMomActors.SpinMapper.SetSourceConnection(
ASDMomActors.spinarrow.GetOutputPort())
ASDMomActors.SpinMapper.OrientOn()
renWin.Render()
if keyword == 'Cones':
self.spincones = vtk.vtkConeSource()
self.spincones.SetRadius(0.50)
self.spincones.SetHeight(1.00)
self.spincones.SetResolution(10)
ASDMomActors.SpinMapper.SetSourceConnection(
self.spincones.GetOutputPort())
ASDMomActors.SpinMapper.OrientOn()
renWin.Render()
def main():
colors = vtk.vtkNamedColors()
# Set the background color.
colors.SetColor('BkgColor', [51, 77, 102, 255])
sourceObjects = list()
sourceObjects.append(vtk.vtkSphereSource())
sourceObjects[-1].SetPhiResolution(21)
sourceObjects[-1].SetThetaResolution(21)
sourceObjects.append(vtk.vtkConeSource())
sourceObjects[-1].SetResolution(51)
sourceObjects.append(vtk.vtkCylinderSource())
sourceObjects[-1].SetResolution(51)
sourceObjects.append(vtk.vtkCubeSource())
sourceObjects.append(vtk.vtkPlaneSource())
sourceObjects.append(vtk.vtkTextSource())
sourceObjects[-1].SetText('Hello')
sourceObjects[-1].BackingOff()
sourceObjects.append(vtk.vtkPointSource())
sourceObjects[-1].SetNumberOfPoints(500)
sourceObjects.append(vtk.vtkDiskSource())
sourceObjects[-1].SetCircumferentialResolution(51)
sourceObjects.append(vtk.vtkLineSource())
renderers = list()
mappers = list()
actors = list()
textmappers = list()
textactors = list()
# Create one text property for all.
textProperty = vtk.vtkTextProperty()
textProperty.SetFontSize(16)
textProperty.SetJustificationToCentered()
textProperty.SetColor(colors.GetColor3d('LightGoldenrodYellow'))
backProperty = vtk.vtkProperty()
backProperty.SetColor(colors.GetColor3d('Tomato'))
# Create a source, renderer, mapper, and actor
# for each object.
for i in range(0, len(sourceObjects)):
mappers.append(vtk.vtkPolyDataMapper())
mappers[i].SetInputConnection(sourceObjects[i].GetOutputPort())
actors.append(vtk.vtkActor())
actors[i].SetMapper(mappers[i])
actors[i].GetProperty().SetColor(colors.GetColor3d('PeachPuff'))
actors[i].SetBackfaceProperty(backProperty)
textmappers.append(vtk.vtkTextMapper())
textmappers[i].SetInput(sourceObjects[i].GetClassName())
textmappers[i].SetTextProperty(textProperty)
textactors.append(vtk.vtkActor2D())
textactors[i].SetMapper(textmappers[i])
textactors[i].SetPosition(120, 16)
renderers.append(vtk.vtkRenderer())
gridDimensions = 3
# We need a renderer even if there is no actor.
for i in range(len(sourceObjects), gridDimensions**2):
renderers.append(vtk.vtkRenderer())
renderWindow = vtk.vtkRenderWindow()
renderWindow.SetWindowName('SourceObjectsDemo')
rendererSize = 300
renderWindow.SetSize(rendererSize * gridDimensions,
rendererSize * gridDimensions)
for row in range(0, gridDimensions):
for col in range(0, gridDimensions):
index = row * gridDimensions + col
x0 = float(col) / gridDimensions
y0 = float(gridDimensions - row - 1) / gridDimensions
x1 = float(col + 1) / gridDimensions
y1 = float(gridDimensions - row) / gridDimensions
renderWindow.AddRenderer(renderers[index])
renderers[index].SetViewport(x0, y0, x1, y1)
if index > (len(sourceObjects) - 1):
continue
renderers[index].AddActor(actors[index])
renderers[index].AddActor(textactors[index])
renderers[index].SetBackground(colors.GetColor3d('BkgColor'))
renderers[index].ResetCamera()
renderers[index].GetActiveCamera().Azimuth(30)
renderers[index].GetActiveCamera().Elevation(30)
renderers[index].GetActiveCamera().Zoom(0.8)
renderers[index].ResetCameraClippingRange()
interactor = vtk.vtkRenderWindowInteractor()
interactor.SetRenderWindow(renderWindow)
renderWindow.Render()
interactor.Start()
def main():
colors = vtk.vtkNamedColors()
# Set the colors.
colors.SetColor('AzimuthArrowColor', [255, 77, 77, 255])
colors.SetColor('ElevationArrowColor', [77, 255, 77, 255])
colors.SetColor('RollArrowColor', [255, 255, 77, 255])
colors.SetColor('SpikeColor', [255, 77, 255, 255])
colors.SetColor('BkgColor', [26, 51, 102, 255])
# Create a rendering window, renderer and interactor.
ren = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Create a camera model.
camCS = vtk.vtkConeSource()
camCS.SetHeight(1.5)
camCS.SetResolution(12)
camCS.SetRadius(0.4)
camCBS = vtk.vtkCubeSource()
camCBS.SetXLength(1.5)
camCBS.SetZLength(0.8)
camCBS.SetCenter(0.4, 0, 0)
camAPD = vtk.vtkAppendFilter()
camAPD.AddInputConnection(camCBS.GetOutputPort())
camAPD.AddInputConnection(camCS.GetOutputPort())
camMapper = vtk.vtkPolyDataMapper()
camMapper.SetInputConnection(camAPD.GetOutputPort())
camActor = vtk.vtkLODActor()
camActor.SetMapper(camMapper)
camActor.SetScale(2, 2, 2)
# Draw the arrows.
pd = vtk.vtkPolyData()
ca = vtk.vtkCellArray()
fp = vtk.vtkPoints()
fp.InsertNextPoint(0, 1, 0)
fp.InsertNextPoint(8, 1, 0)
fp.InsertNextPoint(8, 2, 0)
fp.InsertNextPoint(10, 0.01, 0)
fp.InsertNextPoint(8, -2, 0)
fp.InsertNextPoint(8, -1, 0)
fp.InsertNextPoint(0, -1, 0)
ca.InsertNextCell(7)
ca.InsertCellPoint(0)
ca.InsertCellPoint(1)
ca.InsertCellPoint(2)
ca.InsertCellPoint(3)
ca.InsertCellPoint(4)
ca.InsertCellPoint(5)
ca.InsertCellPoint(6)
pd.SetPoints(fp)
pd.SetPolys(ca)
pd2 = vtk.vtkPolyData()
ca2 = vtk.vtkCellArray()
fp2 = vtk.vtkPoints()
fp2.InsertNextPoint(0, 1, 0)
fp2.InsertNextPoint(8, 1, 0)
fp2.InsertNextPoint(8, 2, 0)
fp2.InsertNextPoint(10, 0.01, 0)
ca2.InsertNextCell(4)
ca2.InsertCellPoint(0)
ca2.InsertCellPoint(1)
ca2.InsertCellPoint(2)
ca2.InsertCellPoint(3)
pd2.SetPoints(fp2)
pd2.SetLines(ca2)
arrowIM = vtk.vtkImplicitModeller()
arrowIM.SetInputData(pd)
arrowIM.SetSampleDimensions(50, 20, 8)
arrowCF = vtk.vtkContourFilter()
arrowCF.SetInputConnection(arrowIM.GetOutputPort())
arrowCF.SetValue(0, 0.2)
arrowWT = vtk.vtkWarpTo()
arrowWT.SetInputConnection(arrowCF.GetOutputPort())
arrowWT.SetPosition(5, 0, 5)
arrowWT.SetScaleFactor(0.85)
arrowWT.AbsoluteOn()
arrowT = vtk.vtkTransform()
arrowT.RotateY(60)
arrowT.Translate(-1.33198, 0, -1.479)
arrowT.Scale(1, 0.5, 1)
arrowTF = vtk.vtkTransformFilter()
arrowTF.SetInputConnection(arrowWT.GetOutputPort())
arrowTF.SetTransform(arrowT)
arrowMapper = vtk.vtkDataSetMapper()
arrowMapper.SetInputConnection(arrowTF.GetOutputPort())
arrowMapper.ScalarVisibilityOff()
# Draw the azimuth arrows.
a1Actor = vtk.vtkLODActor()
a1Actor.SetMapper(arrowMapper)
a1Actor.RotateZ(180)
a1Actor.SetPosition(1, 0, -1)
a1Actor.GetProperty().SetColor(colors.GetColor3d('AzimuthArrowColor'))
a1Actor.GetProperty().SetSpecularColor(colors.GetColor3d('White'))
a1Actor.GetProperty().SetSpecular(0.3)
a1Actor.GetProperty().SetSpecularPower(20)
a1Actor.GetProperty().SetAmbient(0.2)
a1Actor.GetProperty().SetDiffuse(0.8)
a2Actor = vtk.vtkLODActor()
a2Actor.SetMapper(arrowMapper)
a2Actor.RotateZ(180)
a2Actor.RotateX(180)
a2Actor.SetPosition(1, 0, 1)
a2Actor.GetProperty().SetColor(colors.GetColor3d('AzimuthArrowColor'))
a2Actor.GetProperty().SetSpecularColor(colors.GetColor3d('White'))
a2Actor.GetProperty().SetSpecular(0.3)
a2Actor.GetProperty().SetSpecularPower(20)
a2Actor.GetProperty().SetAmbient(0.2)
a2Actor.GetProperty().SetDiffuse(0.8)
# Draw the elevation arrows.
a3Actor = vtk.vtkLODActor()
a3Actor.SetMapper(arrowMapper)
a3Actor.RotateZ(180)
a3Actor.RotateX(90)
a3Actor.SetPosition(1, -1, 0)
a3Actor.GetProperty().SetColor(colors.GetColor3d('ElevationArrowColor'))
a3Actor.GetProperty().SetSpecularColor(colors.GetColor3d('White'))
a3Actor.GetProperty().SetSpecular(0.3)
a3Actor.GetProperty().SetSpecularPower(20)
a3Actor.GetProperty().SetAmbient(0.2)
a3Actor.GetProperty().SetDiffuse(0.8)
a4Actor = vtk.vtkLODActor()
a4Actor.SetMapper(arrowMapper)
a4Actor.RotateZ(180)
a4Actor.RotateX(-90)
a4Actor.SetPosition(1, 1, 0)
a4Actor.GetProperty().SetColor(colors.GetColor3d('ElevationArrowColor'))
a4Actor.GetProperty().SetSpecularColor(colors.GetColor3d('White'))
a4Actor.GetProperty().SetSpecular(0.3)
a4Actor.GetProperty().SetSpecularPower(20)
a4Actor.GetProperty().SetAmbient(0.2)
a4Actor.GetProperty().SetDiffuse(0.8)
# Draw the DOP.
arrowT2 = vtk.vtkTransform()
arrowT2.Scale(1, 0.6, 1)
arrowT2.RotateY(90)
arrowTF2 = vtk.vtkTransformPolyDataFilter()
arrowTF2.SetInputData(pd2)
arrowTF2.SetTransform(arrowT2)
arrowREF = vtk.vtkRotationalExtrusionFilter()
arrowREF.SetInputConnection(arrowTF2.GetOutputPort())
arrowREF.CappingOff()
arrowREF.SetResolution(30)
spikeMapper = vtk.vtkPolyDataMapper()
spikeMapper.SetInputConnection(arrowREF.GetOutputPort())
a5Actor = vtk.vtkLODActor()
a5Actor.SetMapper(spikeMapper)
a5Actor.SetScale(.3, .3, .6)
a5Actor.RotateY(90)
a5Actor.SetPosition(-2, 0, 0)
a5Actor.GetProperty().SetColor(colors.GetColor3d('SpikeColor'))
a5Actor.GetProperty().SetAmbient(0.2)
a5Actor.GetProperty().SetDiffuse(0.8)
# Focal point.
fps = vtk.vtkSphereSource()
fps.SetRadius(0.5)
fpMapper = vtk.vtkPolyDataMapper()
fpMapper.SetInputConnection(fps.GetOutputPort())
fpActor = vtk.vtkLODActor()
fpActor.SetMapper(fpMapper)
fpActor.SetPosition(-9, 0, 0)
fpActor.GetProperty().SetSpecularColor(colors.GetColor3d('White'))
fpActor.GetProperty().SetSpecular(0.3)
fpActor.GetProperty().SetAmbient(0.2)
fpActor.GetProperty().SetDiffuse(0.8)
fpActor.GetProperty().SetSpecularPower(20)
# Create the roll arrows.
arrowWT2 = vtk.vtkWarpTo()
arrowWT2.SetInputConnection(arrowCF.GetOutputPort())
arrowWT2.SetPosition(5, 0, 2.5)
arrowWT2.SetScaleFactor(0.95)
arrowWT2.AbsoluteOn()
arrowT3 = vtk.vtkTransform()
arrowT3.Translate(-2.50358, 0, -1.70408)
arrowT3.Scale(0.5, 0.3, 1)
arrowTF3 = vtk.vtkTransformFilter()
arrowTF3.SetInputConnection(arrowWT2.GetOutputPort())
arrowTF3.SetTransform(arrowT3)
arrowMapper2 = vtk.vtkDataSetMapper()
arrowMapper2.SetInputConnection(arrowTF3.GetOutputPort())
arrowMapper2.ScalarVisibilityOff()
# Draw the roll arrows.
a6Actor = vtk.vtkLODActor()
a6Actor.SetMapper(arrowMapper2)
a6Actor.RotateZ(90)
a6Actor.SetPosition(-4, 0, 0)
a6Actor.SetScale(1.5, 1.5, 1.5)
a6Actor.GetProperty().SetColor(colors.GetColor3d('RollArrowColor'))
a6Actor.GetProperty().SetSpecularColor(colors.GetColor3d('White'))
a6Actor.GetProperty().SetSpecular(0.3)
a6Actor.GetProperty().SetSpecularPower(20)
a6Actor.GetProperty().SetAmbient(0.2)
a6Actor.GetProperty().SetDiffuse(0.8)
# Add the actors to the renderer, set the background and size.
ren.AddActor(camActor)
ren.AddActor(a1Actor)
ren.AddActor(a2Actor)
ren.AddActor(a3Actor)
ren.AddActor(a4Actor)
ren.AddActor(a5Actor)
ren.AddActor(a6Actor)
ren.AddActor(fpActor)
ren.SetBackground(colors.GetColor3d('BkgColor'))
ren.SetBackground(colors.GetColor3d('SlateGray'))
renWin.SetSize(640, 480)
renWin.SetWindowName('CameraModel1')
# Render the image.
cam1 = (ren.GetActiveCamera())
ren.ResetCamera()
cam1.Azimuth(150)
cam1.Elevation(30)
cam1.Dolly(1.5)
ren.ResetCameraClippingRange()
# Create a TextActor for azimuth (a1 and a2 actor's color).
text = vtk.vtkTextActor()
text.SetInput('Azimuth')
tprop = text.GetTextProperty()
tprop.SetFontFamilyToArial()
tprop.ShadowOff()
tprop.SetLineSpacing(1.0)
tprop.SetFontSize(36)
tprop.SetColor(a1Actor.GetProperty().GetColor())
text.SetDisplayPosition(20, 50)
ren.AddActor2D(text)
# Create a TextActor for elevation (a3 and a4 actor's color).
text2 = vtk.vtkTextActor()
text2.SetInput('Elevation')
tprop = text2.GetTextProperty()
tprop.SetFontFamilyToArial()
tprop.ShadowOff()
tprop.SetLineSpacing(1.0)
tprop.SetFontSize(36)
tprop.SetColor(a3Actor.GetProperty().GetColor())
text2.SetDisplayPosition(20, 100)
ren.AddActor2D(text2)
# Create a TextActor for roll (a6 actor's color).
text3 = vtk.vtkTextActor()
text3.SetInput('Roll')
tprop = text3.GetTextProperty()
tprop.SetFontFamilyToArial()
tprop.ShadowOff()
tprop.SetLineSpacing(1.0)
tprop.SetFontSize(36)
tprop.SetColor(a6Actor.GetProperty().GetColor())
text3.SetDisplayPosition(20, 150)
ren.AddActor2D(text3)
iren.Initialize()
iren.Start()
def main(argv):
colors = vtk.vtkNamedColors()
#
# Next we create an instance of vtkConeSource and set some of its
# properties. The instance of vtkConeSource 'cone' is part of a
# visualization pipeline (it is a source process object) it produces data
# (output type is vtkPolyData) which other filters may process.
#
cone = vtk.vtkConeSource()
cone.SetHeight(3.0)
cone.SetRadius(1.0)
cone.SetResolution(10)
#
# In this example we terminate the pipeline with a mapper process object.
# (Intermediate filters such as vtkShrinkPolyData could be inserted in
# between the source and the mapper.) We create an instance of
# vtkPolyDataMapper to map the polygonal data into graphics primitives. We
# connect the output of the cone source to the input of this mapper.
#
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInputConnection(cone.GetOutputPort())
#
# Create an actor to represent the cone. The actor orchestrates rendering
# of the mapper's graphics primitives. An actor also refers to properties
# via a vtkProperty instance, and includes an internal transformation
# matrix. We set this actor's mapper to be coneMapper which we created
# above.
#
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
coneActor.GetProperty().SetColor(colors.GetColor3d('MistyRose'))
#
# Create two renderers and assign actors to them. A renderer renders into
# a viewport within the vtkRenderWindow. It is part or all of a window on
# the screen and it is responsible for drawing the actors it has. We also
# set the background color here. In this example we are adding the same
# actor to two different renderers it is okay to add different actors to
# different renderers as well.
#
ren1 = vtk.vtkRenderer()
ren1.AddActor(coneActor)
ren1.SetBackground(colors.GetColor3d('RoyalBlue'))
ren1.SetViewport(0.0, 0.0, 0.5, 1.0)
ren2 = vtk.vtkRenderer()
ren2.AddActor(coneActor)
ren2.SetBackground(colors.GetColor3d('DodgerBlue'))
ren2.SetViewport(0.5, 0.0, 1.0, 1.0)
#
# Finally we create the render window which will show up on the screen.
# We put our renderer into the render window using AddRenderer. We also
# set the size to be 300 pixels by 300.
#
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
renWin.AddRenderer(ren2)
renWin.SetSize(600, 300)
renWin.SetWindowName('Tutorial_Step3')
#
# Make one view 90 degrees from other.
#
ren1.ResetCamera()
ren1.GetActiveCamera().Azimuth(90)
#
# Now we loop over 360 degrees and render the cones each time.
#
for i in range(0, 360): # render the image
renWin.Render()
# rotate the active camera by one degree
ren1.GetActiveCamera().Azimuth(1)
ren2.GetActiveCamera().Azimuth(1)
import vtk import time import serial cone = vtk.vtkConeSource() mapper = vtk.vtkPolyDataMapper() mapper.SetInputConnection(cone.GetOutputPort()) actor = vtk.vtkActor() actor.SetMapper(mapper) # create coordinate axes in the render window axes = vtk.vtkAxesActor() axes.SetTotalLength(10, 20, 30) axes.SetShaftType(0) axes.SetAxisLabels(0) axes.SetCylinderRadius(0.02) filename = "arm.stl" reader = vtk.vtkSTLReader() reader.SetFileName(filename) mapper1 = vtk.vtkPolyDataMapper() mapper1.SetInputConnection(reader.GetOutputPort()) actor1 = vtk.vtkActor() actor1.SetMapper(mapper1) window = vtk.vtkRenderWindow() # Sets the pixel width, length of the window.
# Elevation just to generate another scalar attribute that varies nicely over the data range elev = vtk.vtkElevationFilter() # Elevation values will range from 0 to 1 between the Low and High Points elev.SetLowPoint(-2, -2, 0) elev.SetHighPoint(2, 2, 0) elev.SetInputConnection(grad.GetOutputPort()) # Create simple PolyData for glyph table cs = vtk.vtkCubeSource() cs.SetXLength(0.5) cs.SetYLength(1) cs.SetZLength(2) ss = vtk.vtkSphereSource() ss.SetRadius(0.25) cs2 = vtk.vtkConeSource() cs2.SetRadius(0.25) cs2.SetHeight(0.5) # Set up the glyph filter glyph = vtk.vtkGlyph3D() glyph.SetInputConnection(elev.GetOutputPort()) # Here is where we build the glyph table # that will be indexed into according to the IndexMode glyph.SetSource(0, cs.GetOutput()) glyph.SetSource(1, ss.GetOutput()) glyph.SetSource(2, cs2.GetOutput()) glyph.ScalingOn() glyph.SetScaleModeToScaleByScalar()
def main():
colors = vtk.vtkNamedColors()
# The Wavelet Source is nice for generating a test vtkImageData set
rt = vtk.vtkRTAnalyticSource()
rt.SetWholeExtent(-2, 2, -2, 2, 0, 0)
# Take the gradient of the only scalar 'RTData' to get a vector attribute
grad = vtk.vtkImageGradient()
grad.SetDimensionality(3)
grad.SetInputConnection(rt.GetOutputPort())
# Elevation just to generate another scalar attribute that varies nicely over the data range
elev = vtk.vtkElevationFilter()
# Elevation values will range from 0 to 1 between the Low and High Points
elev.SetLowPoint(-2, -2, 0)
elev.SetHighPoint(2, 2, 0)
elev.SetInputConnection(grad.GetOutputPort())
# Create simple PolyData for glyph table
cs = vtk.vtkCubeSource()
cs.SetXLength(0.5)
cs.SetYLength(1)
cs.SetZLength(2)
ss = vtk.vtkSphereSource()
ss.SetRadius(0.25)
cs2 = vtk.vtkConeSource()
cs2.SetRadius(0.25)
cs2.SetHeight(0.5)
# Set up the glyph filter
glyph = vtk.vtkGlyph3D()
glyph.SetInputConnection(elev.GetOutputPort())
# Here is where we build the glyph table
# that will be indexed into according to the IndexMode
glyph.SetSourceConnection(0, cs.GetOutputPort())
glyph.SetSourceConnection(1, ss.GetOutputPort())
glyph.SetSourceConnection(2, cs2.GetOutputPort())
glyph.ScalingOn()
glyph.SetScaleModeToScaleByScalar()
glyph.SetVectorModeToUseVector()
glyph.OrientOn()
glyph.SetScaleFactor(1) # Overall scaling factor
glyph.SetRange(0, 1) # Default is (0,1)
# Tell it to index into the glyph table according to scalars
glyph.SetIndexModeToScalar()
# Tell glyph which attribute arrays to use for what
glyph.SetInputArrayToProcess(0, 0, 0, 0, 'Elevation') # scalars
glyph.SetInputArrayToProcess(1, 0, 0, 0, 'RTDataGradient') # vectors
coloring_by = 'Elevation'
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(glyph.GetOutputPort())
mapper.SetScalarModeToUsePointFieldData()
mapper.SetColorModeToMapScalars()
mapper.ScalarVisibilityOn()
# GetRange() call doesn't work because attributes weren't copied to glyphs
# as they should have been...
# mapper.SetScalarRange(glyph.GetOutputDataObject(0).GetPointData().GetArray(coloring_by).GetRange())
mapper.SelectColorArray(coloring_by)
actor = vtk.vtkActor()
actor.SetMapper(mapper)
ren = vtk.vtkRenderer()
ren.AddActor(actor)
ren.SetBackground(colors.GetColor3d("DarkGray"))
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren)
renWin.SetWindowName('GlyphTable')
iren = vtk.vtkRenderWindowInteractor()
istyle = vtk.vtkInteractorStyleTrackballCamera()
iren.SetInteractorStyle(istyle)
iren.SetRenderWindow(renWin)
ren.ResetCamera()
renWin.Render()
iren.Start()
def main():
fileName = get_program_parameters()
colors = vtk.vtkNamedColors()
fran = vtk.vtkPolyDataReader()
fran.SetFileName(fileName)
normals = vtk.vtkPolyDataNormals()
normals.SetInputConnection(fran.GetOutputPort())
normals.FlipNormalsOn()
franMapper = vtk.vtkPolyDataMapper()
franMapper.SetInputConnection(normals.GetOutputPort())
franActor = vtk.vtkActor()
franActor.SetMapper(franMapper)
franActor.GetProperty().SetColor(colors.GetColor3d('Flesh'))
# We subsample the dataset because we want to glyph just a subset of
# the points. Otherwise the display is cluttered and cannot be easily
# read. The RandomModeOn and SetOnRatio combine to random select one out
# of every 10 points in the dataset.
#
ptMask = vtk.vtkMaskPoints()
ptMask.SetInputConnection(normals.GetOutputPort())
ptMask.SetOnRatio(10)
ptMask.RandomModeOn()
# In this case we are using a cone as a glyph. We transform the cone so
# its base is at 0,0,0. This is the point where glyph rotation occurs.
cone = vtk.vtkConeSource()
cone.SetResolution(6)
transform = vtk.vtkTransform()
transform.Translate(0.5, 0.0, 0.0)
transformF = vtk.vtkTransformPolyDataFilter()
transformF.SetInputConnection(cone.GetOutputPort())
transformF.SetTransform(transform)
# vtkGlyph3D takes two inputs: the input point set (SetInputConnection)
# which can be any vtkDataSet and the glyph (SetSourceConnection) which
# must be a vtkPolyData. We are interested in orienting the glyphs by the
# surface normals that we previously generated.
glyph = vtk.vtkGlyph3D()
glyph.SetInputConnection(ptMask.GetOutputPort())
glyph.SetSourceConnection(transformF.GetOutputPort())
glyph.SetVectorModeToUseNormal()
glyph.SetScaleModeToScaleByVector()
glyph.SetScaleFactor(0.004)
spikeMapper = vtk.vtkPolyDataMapper()
spikeMapper.SetInputConnection(glyph.GetOutputPort())
spikeActor = vtk.vtkActor()
spikeActor.SetMapper(spikeMapper)
spikeActor.GetProperty().SetColor(colors.GetColor3d('Emerald_Green'))
# Create the RenderWindow, Renderer and Interactor.
#
ren1 = vtk.vtkRenderer()
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Add the actors to the renderer, set the background and size.
#
ren1.AddActor(franActor)
ren1.AddActor(spikeActor)
renWin.SetSize(640, 480)
renWin.SetWindowName('SpikeFran')
ren1.SetBackground(colors.GetColor3d('SlateGray'))
# Render the image.
#
renWin.Render()
ren1.GetActiveCamera().Zoom(1.4)
ren1.GetActiveCamera().Azimuth(110)
renWin.Render()
iren.Start()
#coding:utf-8 import vtk cone_a = vtk.vtkConeSource() coneMapper = vtk.vtkPolyDataMapper() coneMapper.SetInputConnection(cone_a.GetOutputPort()) coneActor = vtk.vtkActor() coneActor.SetMapper(coneMapper) ren1 = vtk.vtkRenderer() ren1.AddActor(coneActor) ren1.SetBackground(0.1, 0.2, 0.4) renWin = vtk.vtkRenderWindow() renWin.AddRenderer(ren1) renWin.SetSize(300, 300) renWin.Render() iren = vtk.vtkRenderWindowInteractor() iren.SetRenderWindow(renWin) iren.Initialize() iren.Start()
def GenerateAndDisplayCubeAndSphere():
colors = vtk.vtkNamedColors()
cubeSource = vtk.vtkCubeSource()
cubeSource.SetXLength(4.0)
cubeSource.SetYLength(9.0)
cubeSource.SetZLength(1.0)
cubeSource.SetCenter(0.0, 0.0, 0.0)
# Render the cube
cubeMapper = vtk.vtkPolyDataMapper()
cubeMapper.SetInputConnection(cubeSource.GetOutputPort())
cubeActor = vtk.vtkActor()
cubeActor.GetProperty().SetDiffuseColor(colors.GetColor3d("DarkGreen"))
cubeActor.SetMapper(cubeMapper)
coneSource = vtk.vtkConeSource()
coneSource.SetCenter(0.0, 0.0, 0.0)
coneSource.SetHeight(1.0)
coneSource.SetRadius(0.25)
coneSource.SetDirection(0.0, 1.0, 0.0)
coneSource.SetResolution(60)
coneSource.CappingOn()
# Render the cone
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInputConnection(coneSource.GetOutputPort())
coneActor = vtk.vtkActor()
coneActor.GetProperty().SetDiffuseColor(colors.GetColor3d("DarkTurquoise"))
# Make the cone slightly transparent for fun
coneActor.GetProperty().SetOpacity(0.75)
coneActor.SetMapper(coneMapper)
# The renderers, render window and interactor
renderers = list()
renWin = vtk.vtkRenderWindow()
for i in range(0, 2):
renderers.append(vtk.vtkRenderer())
renWin.AddRenderer(renderers[i])
renWin.SetSize(800, 800)
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
# Layer 0 - background not transparent
renderers[0].SetBackground(colors.GetColor3d("Silver"))
renderers[0].AddActor(cubeActor)
renderers[0].SetLayer(0)
# Layer 1 - the background is transparent
# so we only see the layer 0 background color
renderers[1].AddActor(coneActor)
renderers[1].SetLayer(1)
renderers[1].SetBackground(colors.GetColor3d("MidnightBlue"))
# We have two layers
renWin.SetNumberOfLayers(2)
renWin.Render()
renWin.SetWindowName('TransparentBackground')
iren.AddObserver('KeyPressEvent', KeypressCallbackFunction)
iren.Start()
def main(argv):
colors = vtk.vtkNamedColors()
#
# Next we create an instance of vtkConeSource and set some of its
# properties. The instance of vtkConeSource 'cone' is part of a
# visualization pipeline (it is a source process object) it produces data
# (output type is vtkPolyData) which other filters may process.
#
cone = vtk.vtkConeSource()
cone.SetHeight(3.0)
cone.SetRadius(1.0)
cone.SetResolution(10)
#
# In this example we terminate the pipeline with a mapper process object.
# (Intermediate filters such as vtkShrinkPolyData could be inserted in
# between the source and the mapper.) We create an instance of
# vtkPolyDataMapper to map the polygonal data into graphics primitives. We
# connect the output of the cone source to the input of this mapper.
#
coneMapper = vtk.vtkPolyDataMapper()
coneMapper.SetInputConnection(cone.GetOutputPort())
#
# Create an actor to represent the cone. The actor orchestrates rendering
# of the mapper's graphics primitives. An actor also refers to properties
# via a vtkProperty instance, and includes an internal transformation
# matrix. We set this actor's mapper to be coneMapper which we created
# above.
#
coneActor = vtk.vtkActor()
coneActor.SetMapper(coneMapper)
coneActor.GetProperty().SetColor(colors.GetColor3d('Bisque'))
#
# Create the Renderer and assign actors to it. A renderer is like a
# viewport. It is part or all of a window on the screen and it is
# responsible for drawing the actors it has. We also set the background
# color here.
#
ren1 = vtk.vtkRenderer()
ren1.AddActor(coneActor)
ren1.SetBackground(colors.GetColor3d('MidnightBlue'))
#
# Finally we create the render window which will show up on the screen.
# We put our renderer into the render window using AddRenderer. We also
# set the size to be 300 pixels by 300.
#
renWin = vtk.vtkRenderWindow()
renWin.AddRenderer(ren1)
renWin.SetSize(300, 300)
renWin.SetWindowName('Tutorial_Step6')
#
# The vtkRenderWindowInteractor class watches for events (e.g., keypress,
# mouse) in the vtkRenderWindow. These events are translated into
# event invocations that VTK understands (see VTK/Common/vtkCommand.h
# for all events that VTK processes). Then observers of these VTK
# events can process them as appropriate.
iren = vtk.vtkRenderWindowInteractor()
iren.SetRenderWindow(renWin)
#
# By default the vtkRenderWindowInteractor instantiates an instance
# of vtkInteractorStyle. vtkInteractorStyle translates a set of events
# it observes into operations on the camera, actors, and/or properties
# in the vtkRenderWindow associated with the vtkRenderWinodwInteractor.
# Here we specify a particular interactor style.
style = vtk.vtkInteractorStyleTrackballCamera()
iren.SetInteractorStyle(style)
#
# Here we use a vtkBoxWidget to transform the underlying coneActor (by
# manipulating its transformation matrix). Many other types of widgets
# are available for use, see the documentation for more details.
#
# The SetInteractor method is how 3D widgets are associated with the render
# window interactor. Internally, SetInteractor sets up a bunch of callbacks
# using the Command/Observer mechanism (AddObserver()). The place factor
# controls the initial size of the widget with respect to the bounding box
# of the input to the widget.
boxWidget = vtk.vtkBoxWidget()
boxWidget.SetInteractor(iren)
boxWidget.SetPlaceFactor(1.25)
boxWidget.GetOutlineProperty().SetColor(colors.GetColor3d('Gold'))
#
# Place the interactor initially. The input to a 3D widget is used to
# initially position and scale the widget. The EndInteractionEvent is
# observed which invokes the SelectPolygons callback.
#
boxWidget.SetProp3D(coneActor)
boxWidget.PlaceWidget()
callback = vtkMyCallback()
boxWidget.AddObserver('InteractionEvent', callback)
#
# Normally the user presses the 'i' key to bring a 3D widget to life. Here
# we will manually enable it so it appears with the cone.
#
boxWidget.On()
#
# Start the event loop.
#
iren.Initialize()
iren.Start()
def __init__(self):
self.cone = vtk.vtkConeSource()
def __init__(self, node, textHeight=5, color=None):
# Create a 'vtkPolyData' object to represent the node
polyData = vtk.vtkPolyData()
# Create a 'vtkAppendPolyData' filter to append the node and it's supports together into a single dataset
appendFilter = vtk.vtkAppendPolyData()
# Get the node's position
X = node.X # Global X coordinate
Y = node.Y # Global Y coordinate
Z = node.Z # Global Z coordinate
# Generate a sphere for the node
sphere = vtk.vtkSphereSource()
sphere.SetCenter(X, Y, Z)
sphere.SetRadius(0.6 * textHeight)
sphere.Update()
polyData.ShallowCopy(sphere.GetOutput())
appendFilter.AddInputData(polyData)
# Create the text for the node label
label = vtk.vtkVectorText()
label.SetText(node.Name)
# Set up a mapper for the node label
lblMapper = vtk.vtkPolyDataMapper()
lblMapper.SetInputConnection(label.GetOutputPort())
# Set up an actor for the node label
self.lblActor = vtk.vtkFollower()
self.lblActor.SetMapper(lblMapper)
self.lblActor.SetScale(textHeight, textHeight, textHeight)
self.lblActor.SetPosition(X + 0.6 * textHeight, Y + 0.6 * textHeight,
Z)
# Generate any supports that occur at the node
# Check for a fixed suppport
if node.SupportDX == True and node.SupportDY == True and node.SupportDZ == True \
and node.SupportRX == True and node.SupportRY == True and node.SupportRZ == True:
# Create the fixed support
support = vtk.vtkCubeSource()
support.SetCenter(node.X, node.Y, node.Z)
support.SetXLength(textHeight * 1.2)
support.SetYLength(textHeight * 1.2)
support.SetZLength(textHeight * 1.2)
# Copy and append the support data to the append filter
support.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support.GetOutput())
appendFilter.AddInputData(polyData)
# Check for a pinned support
elif node.SupportDX == True and node.SupportDY == True and node.SupportDZ == True \
and node.SupportRX == False and node.SupportRY == False and node.SupportRZ == False:
# Create the pinned support
support = vtk.vtkConeSource()
support.SetCenter(node.X, node.Y - 0.6 * textHeight, node.Z)
support.SetDirection((0, 1, 0))
support.SetHeight(textHeight * 1.2)
support.SetRadius(textHeight * 1.2)
# Copy and append the support data to the append filter
support.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support.GetOutput())
appendFilter.AddInputData(polyData)
# Other support conditions
else:
# Restrained against X translation
if node.SupportDX == True:
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X - textHeight, node.Y, node.Z)
support1.SetPoint2(node.X + textHeight, node.Y, node.Z)
# Copy and append the support data to the append filter
support1.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support1.GetOutput())
appendFilter.AddInputData(polyData)
support2 = vtk.vtkConeSource()
support2.SetCenter(node.X - textHeight, node.Y, node.Z)
support2.SetDirection((1, 0, 0))
support2.SetHeight(textHeight * 0.6)
support2.SetRadius(textHeight * 0.3)
# Copy and append the support data to the append filter
support2.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support2.GetOutput())
appendFilter.AddInputData(polyData)
support3 = vtk.vtkConeSource()
support3.SetCenter(node.X + textHeight, node.Y, node.Z)
support3.SetDirection((-1, 0, 0))
support3.SetHeight(textHeight * 0.6)
support3.SetRadius(textHeight * 0.3)
# Copy and append the support data to the append filter
support3.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support3.GetOutput())
appendFilter.AddInputData(polyData)
# Restrained against Y translation
if node.SupportDY == True:
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X, node.Y - textHeight, node.Z)
support1.SetPoint2(node.X, node.Y + textHeight, node.Z)
# Copy and append the support data to the append filter
support1.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support1.GetOutput())
appendFilter.AddInputData(polyData)
support2 = vtk.vtkConeSource()
support2.SetCenter(node.X, node.Y - textHeight, node.Z)
support2.SetDirection((0, 1, 0))
support2.SetHeight(textHeight * 0.6)
support2.SetRadius(textHeight * 0.3)
# Copy and append the support data to the append filter
support2.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support2.GetOutput())
appendFilter.AddInputData(polyData)
support3 = vtk.vtkConeSource()
support3.SetCenter(node.X, node.Y + textHeight, node.Z)
support3.SetDirection((0, -1, 0))
support3.SetHeight(textHeight * 0.6)
support3.SetRadius(textHeight * 0.3)
# Copy and append the support data to the append filter
support3.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support3.GetOutput())
appendFilter.AddInputData(polyData)
# Restrained against Z translation
if node.SupportDZ == True:
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X, node.Y, node.Z - textHeight)
support1.SetPoint2(node.X, node.Y, node.Z + textHeight)
# Copy and append the support data to the append filter
support1.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support1.GetOutput())
appendFilter.AddInputData(polyData)
support2 = vtk.vtkConeSource()
support2.SetCenter(node.X, node.Y, node.Z - textHeight)
support2.SetDirection((0, 0, 1))
support2.SetHeight(textHeight * 0.6)
support2.SetRadius(textHeight * 0.3)
# Copy and append the support data to the append filter
support2.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support2.GetOutput())
appendFilter.AddInputData(polyData)
support3 = vtk.vtkConeSource()
support3.SetCenter(node.X, node.Y, node.Z + textHeight)
support3.SetDirection((0, 0, -1))
support3.SetHeight(textHeight * 0.6)
support3.SetRadius(textHeight * 0.3)
# Copy and append the support data to the append filter
support3.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support3.GetOutput())
appendFilter.AddInputData(polyData)
# Restrained against rotation about the X-axis
if node.SupportRX == True:
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X - 1.6 * textHeight, node.Y, node.Z)
support1.SetPoint2(node.X + 1.6 * textHeight, node.Y, node.Z)
# Copy and append the support data to the append filter
support1.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support1.GetOutput())
appendFilter.AddInputData(polyData)
support2 = vtk.vtkCubeSource()
support2.SetCenter(node.X - 1.9 * textHeight, node.Y, node.Z)
support2.SetXLength(textHeight * 0.6)
support2.SetYLength(textHeight * 0.6)
support2.SetZLength(textHeight * 0.6)
# Copy and append the support data to the append filter
support2.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support2.GetOutput())
appendFilter.AddInputData(polyData)
support3 = vtk.vtkCubeSource()
support3.SetCenter(node.X + 1.9 * textHeight, node.Y, node.Z)
support3.SetXLength(textHeight * 0.6)
support3.SetYLength(textHeight * 0.6)
support3.SetZLength(textHeight * 0.6)
# Copy and append the support data to the append filter
support3.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support3.GetOutput())
appendFilter.AddInputData(polyData)
# Restrained against rotation about the Y-axis
if node.SupportRY == True:
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X, node.Y - 1.6 * textHeight, node.Z)
support1.SetPoint2(node.X, node.Y + 1.6 * textHeight, node.Z)
# Copy and append the support data to the append filter
support1.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support1.GetOutput())
appendFilter.AddInputData(polyData)
support2 = vtk.vtkCubeSource()
support2.SetCenter(node.X, node.Y - 1.9 * textHeight, node.Z)
support2.SetXLength(textHeight * 0.6)
support2.SetYLength(textHeight * 0.6)
support2.SetZLength(textHeight * 0.6)
# Copy and append the support data to the append filter
support2.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support2.GetOutput())
appendFilter.AddInputData(polyData)
support3 = vtk.vtkCubeSource()
support3.SetCenter(node.X, node.Y + 1.9 * textHeight, node.Z)
support3.SetXLength(textHeight * 0.6)
support3.SetYLength(textHeight * 0.6)
support3.SetZLength(textHeight * 0.6)
# Copy and append the support data to the append filter
support3.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support3.GetOutput())
appendFilter.AddInputData(polyData)
# Restrained against rotation about the Z-axis
if node.SupportRZ == True:
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X, node.Y, node.Z - 1.6 * textHeight)
support1.SetPoint2(node.X, node.Y, node.Z + 1.6 * textHeight)
# Copy and append the support data to the append filter
support1.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support1.GetOutput())
appendFilter.AddInputData(polyData)
support2 = vtk.vtkCubeSource()
support2.SetCenter(node.X, node.Y, node.Z - 1.9 * textHeight)
support2.SetXLength(textHeight * 0.6)
support2.SetYLength(textHeight * 0.6)
support2.SetZLength(textHeight * 0.6)
# Copy and append the support data to the append filter
support2.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support2.GetOutput())
appendFilter.AddInputData(polyData)
support3 = vtk.vtkCubeSource()
support3.SetCenter(node.X, node.Y, node.Z + 1.9 * textHeight)
support3.SetXLength(textHeight * 0.6)
support3.SetYLength(textHeight * 0.6)
support3.SetZLength(textHeight * 0.6)
# Copy and append the support data to the append filter
support3.Update()
polyData = vtk.vtkPolyData()
polyData.ShallowCopy(support3.GetOutput())
appendFilter.AddInputData(polyData)
# Update the append filter
appendFilter.Update()
# Create a mapper and actor
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(appendFilter.GetOutputPort())
self.actor = vtk.vtkActor()
# Add color to the actors
if color == 'red':
self.actor.GetProperty().SetColor(255, 0, 0) # Red
self.lblActor.GetProperty().SetColor(255, 0, 0) # Red
elif color == 'yellow':
self.actor.GetProperty().SetColor(255, 255, 0) # Yellow
self.lblActor.GetProperty().SetColor(255, 255, 0) # Yellow
# Set the mapper for the node's actor
self.actor.SetMapper(mapper)
def __init__(self, node, textHeight=5):
# Get the node's position
X = node.X # Global X coordinate
Y = node.Y # Global Y coordinate
Z = node.Z # Global Z coordinate
# Generate a sphere for the node
sphere = vtk.vtkSphereSource()
sphere.SetCenter(X, Y, Z)
sphere.SetRadius(0.6 * textHeight)
# Set up a mapper for the node
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(sphere.GetOutputPort())
# Set up an actor for the node
self.actor = vtk.vtkActor()
self.actor.SetMapper(mapper)
# Create the text for the node label
label = vtk.vtkVectorText()
label.SetText(node.Name)
# Set up a mapper for the node label
lblMapper = vtk.vtkPolyDataMapper()
lblMapper.SetInputConnection(label.GetOutputPort())
# Set up an actor for the node label
self.lblActor = vtk.vtkFollower()
self.lblActor.SetMapper(lblMapper)
self.lblActor.SetScale(textHeight, textHeight, textHeight)
self.lblActor.SetPosition(X + 0.6 * textHeight, Y + 0.6 * textHeight,
Z)
# Generate any supports that occur at the node
supportMappers = []
self.supportActors = []
# Check for a fixed suppport
if (node.SupportDX == True) and (node.SupportDY == True) and (node.SupportDZ == True) \
and (node.SupportRX == True) and (node.SupportRY == True) and (node.SupportRZ == True):
# Create the fixed support
support = vtk.vtkCubeSource()
support.SetCenter(node.X, node.Y, node.Z)
support.SetXLength(textHeight * 1.2)
support.SetYLength(textHeight * 1.2)
support.SetZLength(textHeight * 1.2)
# Change the node's mapper to the fixed support
mapper.SetInputConnection(support.GetOutputPort())
# Check for a pinned support
elif (node.SupportDX == True) and (node.SupportDY == True) and (node.SupportDZ == True) \
and (node.SupportRX == False) and (node.SupportRY == False) and (node.SupportRZ == False):
# Create the pinned support
support = vtk.vtkConeSource()
support.SetCenter(node.X, node.Y - 0.6 * textHeight, node.Z)
support.SetDirection((0, 1, 0))
support.SetHeight(textHeight * 1.2)
support.SetRadius(textHeight * 1.2)
# Change the node's mapper to the pinned support
mapper.SetInputConnection(support.GetOutputPort())
# Other support conditions
else:
# Restrained against X translation
if (node.SupportDX == True):
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X - textHeight, node.Y, node.Z)
support1.SetPoint2(node.X + textHeight, node.Y, node.Z)
support2 = vtk.vtkConeSource()
support2.SetCenter(node.X - textHeight, node.Y, node.Z)
support2.SetDirection((1, 0, 0))
support2.SetHeight(textHeight * 0.6)
support2.SetRadius(textHeight * 0.3)
support3 = vtk.vtkConeSource()
support3.SetCenter(node.X + textHeight, node.Y, node.Z)
support3.SetDirection((-1, 0, 0))
support3.SetHeight(textHeight * 0.6)
support3.SetRadius(textHeight * 0.3)
# Set up mappers for the support
supportMapper1 = vtk.vtkPolyDataMapper()
supportMapper2 = vtk.vtkPolyDataMapper()
supportMapper3 = vtk.vtkPolyDataMapper()
supportMapper1.SetInputConnection(support1.GetOutputPort())
supportMapper2.SetInputConnection(support2.GetOutputPort())
supportMapper3.SetInputConnection(support3.GetOutputPort())
supportMappers.append(supportMapper1)
supportMappers.append(supportMapper2)
supportMappers.append(supportMapper3)
# Set up actors for the support
supportActor1 = vtk.vtkActor()
supportActor2 = vtk.vtkActor()
supportActor3 = vtk.vtkActor()
supportActor1.SetMapper(supportMapper1)
supportActor2.SetMapper(supportMapper2)
supportActor3.SetMapper(supportMapper3)
self.supportActors.append(supportActor1)
self.supportActors.append(supportActor2)
self.supportActors.append(supportActor3)
# Restrained against Y translation
if (node.SupportDY == True):
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X, node.Y - textHeight, node.Z)
support1.SetPoint2(node.X, node.Y + textHeight, node.Z)
support2 = vtk.vtkConeSource()
support2.SetCenter(node.X, node.Y - textHeight, node.Z)
support2.SetDirection((0, 1, 0))
support2.SetHeight(textHeight * 0.6)
support2.SetRadius(textHeight * 0.3)
support3 = vtk.vtkConeSource()
support3.SetCenter(node.X, node.Y + textHeight, node.Z)
support3.SetDirection((0, -1, 0))
support3.SetHeight(textHeight * 0.6)
support3.SetRadius(textHeight * 0.3)
# Set up mappers for the support
supportMapper1 = vtk.vtkPolyDataMapper()
supportMapper2 = vtk.vtkPolyDataMapper()
supportMapper3 = vtk.vtkPolyDataMapper()
supportMapper1.SetInputConnection(support1.GetOutputPort())
supportMapper2.SetInputConnection(support2.GetOutputPort())
supportMapper3.SetInputConnection(support3.GetOutputPort())
supportMappers.append(supportMapper1)
supportMappers.append(supportMapper2)
supportMappers.append(supportMapper3)
# Set up actors for the support
supportActor1 = vtk.vtkActor()
supportActor2 = vtk.vtkActor()
supportActor3 = vtk.vtkActor()
supportActor1.SetMapper(supportMapper1)
supportActor2.SetMapper(supportMapper2)
supportActor3.SetMapper(supportMapper3)
self.supportActors.append(supportActor1)
self.supportActors.append(supportActor2)
self.supportActors.append(supportActor3)
# Restrained against Z translation
if (node.SupportDZ == True):
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X, node.Y, node.Z - textHeight)
support1.SetPoint2(node.X, node.Y, node.Z + textHeight)
support2 = vtk.vtkConeSource()
support2.SetCenter(node.X, node.Y, node.Z - textHeight)
support2.SetDirection((0, 0, 1))
support2.SetHeight(textHeight * 0.6)
support2.SetRadius(textHeight * 0.3)
support3 = vtk.vtkConeSource()
support3.SetCenter(node.X, node.Y, node.Z + textHeight)
support3.SetDirection((0, 0, -1))
support3.SetHeight(textHeight * 0.6)
support3.SetRadius(textHeight * 0.3)
# Set up mappers for the support
supportMapper1 = vtk.vtkPolyDataMapper()
supportMapper2 = vtk.vtkPolyDataMapper()
supportMapper3 = vtk.vtkPolyDataMapper()
supportMapper1.SetInputConnection(support1.GetOutputPort())
supportMapper2.SetInputConnection(support2.GetOutputPort())
supportMapper3.SetInputConnection(support3.GetOutputPort())
supportMappers.append(supportMapper1)
supportMappers.append(supportMapper2)
supportMappers.append(supportMapper3)
# Set actors for the support
supportActor1 = vtk.vtkActor()
supportActor2 = vtk.vtkActor()
supportActor3 = vtk.vtkActor()
supportActor1.SetMapper(supportMapper1)
supportActor2.SetMapper(supportMapper2)
supportActor3.SetMapper(supportMapper3)
self.supportActors.append(supportActor1)
self.supportActors.append(supportActor2)
self.supportActors.append(supportActor3)
# Restrained against rotation about the X-axis
if (node.SupportRX == True):
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X - 1.6 * textHeight, node.Y, node.Z)
support1.SetPoint2(node.X + 1.6 * textHeight, node.Y, node.Z)
support2 = vtk.vtkCubeSource()
support2.SetCenter(node.X - 1.9 * textHeight, node.Y, node.Z)
support2.SetXLength(textHeight * 0.6)
support2.SetYLength(textHeight * 0.6)
support2.SetZLength(textHeight * 0.6)
support3 = vtk.vtkCubeSource()
support3.SetCenter(node.X + 1.9 * textHeight, node.Y, node.Z)
support3.SetXLength(textHeight * 0.6)
support3.SetYLength(textHeight * 0.6)
support3.SetZLength(textHeight * 0.6)
# Set up mappers for the support
supportMapper1 = vtk.vtkPolyDataMapper()
supportMapper2 = vtk.vtkPolyDataMapper()
supportMapper3 = vtk.vtkPolyDataMapper()
supportMapper1.SetInputConnection(support1.GetOutputPort())
supportMapper2.SetInputConnection(support2.GetOutputPort())
supportMapper3.SetInputConnection(support3.GetOutputPort())
supportMappers.append(supportMapper1)
supportMappers.append(supportMapper2)
supportMappers.append(supportMapper3)
# Set up actors for the support
supportActor1 = vtk.vtkActor()
supportActor2 = vtk.vtkActor()
supportActor3 = vtk.vtkActor()
supportActor1.SetMapper(supportMapper1)
supportActor2.SetMapper(supportMapper2)
supportActor3.SetMapper(supportMapper3)
self.supportActors.append(supportActor1)
self.supportActors.append(supportActor2)
self.supportActors.append(supportActor3)
# Restrained against rotation about the Y-axis
if (node.SupportRY == True):
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X, node.Y - 1.6 * textHeight, node.Z)
support1.SetPoint2(node.X, node.Y + 1.6 * textHeight, node.Z)
support2 = vtk.vtkCubeSource()
support2.SetCenter(node.X, node.Y - 1.9 * textHeight, node.Z)
support2.SetXLength(textHeight * 0.6)
support2.SetYLength(textHeight * 0.6)
support2.SetZLength(textHeight * 0.6)
support3 = vtk.vtkCubeSource()
support3.SetCenter(node.X, node.Y + 1.9 * textHeight, node.Z)
support3.SetXLength(textHeight * 0.6)
support3.SetYLength(textHeight * 0.6)
support3.SetZLength(textHeight * 0.6)
# Set up mappers for the support
supportMapper1 = vtk.vtkPolyDataMapper()
supportMapper2 = vtk.vtkPolyDataMapper()
supportMapper3 = vtk.vtkPolyDataMapper()
supportMapper1.SetInputConnection(support1.GetOutputPort())
supportMapper2.SetInputConnection(support2.GetOutputPort())
supportMapper3.SetInputConnection(support3.GetOutputPort())
supportMappers.append(supportMapper1)
supportMappers.append(supportMapper2)
supportMappers.append(supportMapper3)
# Set up actors for the support
supportActor1 = vtk.vtkActor()
supportActor2 = vtk.vtkActor()
supportActor3 = vtk.vtkActor()
supportActor1.SetMapper(supportMapper1)
supportActor2.SetMapper(supportMapper2)
supportActor3.SetMapper(supportMapper3)
self.supportActors.append(supportActor1)
self.supportActors.append(supportActor2)
self.supportActors.append(supportActor3)
# Restrained against rotation about the Z-axis
if (node.SupportRZ == True):
# Create the support
support1 = vtk.vtkLineSource(
) # The line showing the support direction
support1.SetPoint1(node.X, node.Y, node.Z - 1.6 * textHeight)
support1.SetPoint2(node.X, node.Y, node.Z + 1.6 * textHeight)
support2 = vtk.vtkCubeSource()
support2.SetCenter(node.X, node.Y, node.Z - 1.9 * textHeight)
support2.SetXLength(textHeight * 0.6)
support2.SetYLength(textHeight * 0.6)
support2.SetZLength(textHeight * 0.6)
support3 = vtk.vtkCubeSource()
support3.SetCenter(node.X, node.Y, node.Z + 1.9 * textHeight)
support3.SetXLength(textHeight * 0.6)
support3.SetYLength(textHeight * 0.6)
support3.SetZLength(textHeight * 0.6)
# Set up mappers for the support
supportMapper1 = vtk.vtkPolyDataMapper()
supportMapper2 = vtk.vtkPolyDataMapper()
supportMapper3 = vtk.vtkPolyDataMapper()
supportMapper1.SetInputConnection(support1.GetOutputPort())
supportMapper2.SetInputConnection(support2.GetOutputPort())
supportMapper3.SetInputConnection(support3.GetOutputPort())
supportMappers.append(supportMapper1)
supportMappers.append(supportMapper2)
supportMappers.append(supportMapper3)
# Set up actors for the support
supportActor1 = vtk.vtkActor()
supportActor2 = vtk.vtkActor()
supportActor3 = vtk.vtkActor()
supportActor1.SetMapper(supportMapper1)
supportActor2.SetMapper(supportMapper2)
supportActor3.SetMapper(supportMapper3)
self.supportActors.append(supportActor1)
self.supportActors.append(supportActor2)
self.supportActors.append(supportActor3)
def quiver3d(self,
x,
y,
z,
u,
v,
w,
color,
scale,
mode,
resolution=8,
glyph_height=None,
glyph_center=None,
glyph_resolution=None,
opacity=1.0,
scale_mode='none',
scalars=None,
backface_culling=False,
line_width=2.,
name=None):
_check_option('mode', mode, ALLOWED_QUIVER_MODES)
with warnings.catch_warnings():
warnings.filterwarnings("ignore", category=FutureWarning)
factor = scale
vectors = np.c_[u, v, w]
points = np.vstack(np.c_[x, y, z])
n_points = len(points)
cell_type = np.full(n_points, vtk.VTK_VERTEX)
cells = np.c_[np.full(n_points, 1), range(n_points)]
args = (cells, cell_type, points)
if not VTK9:
args = (np.arange(n_points) * 3, ) + args
grid = UnstructuredGrid(*args)
grid.point_arrays['vec'] = vectors
if scale_mode == 'scalar':
grid.point_arrays['mag'] = np.array(scalars)
scale = 'mag'
else:
scale = False
if mode == '2darrow':
return _arrow_glyph(grid, factor), grid
elif mode == 'arrow':
alg = _glyph(grid, orient='vec', scalars=scale, factor=factor)
mesh = pyvista.wrap(alg.GetOutput())
else:
if mode == 'cone':
glyph = vtk.vtkConeSource()
glyph.SetCenter(0.5, 0, 0)
glyph.SetRadius(0.15)
elif mode == 'cylinder':
glyph = vtk.vtkCylinderSource()
glyph.SetRadius(0.15)
else:
assert mode == 'sphere', mode # guaranteed above
glyph = vtk.vtkSphereSource()
if mode == 'cylinder':
if glyph_height is not None:
glyph.SetHeight(glyph_height)
if glyph_center is not None:
glyph.SetCenter(glyph_center)
if glyph_resolution is not None:
glyph.SetResolution(glyph_resolution)
# fix orientation
glyph.Update()
tr = vtk.vtkTransform()
tr.RotateWXYZ(90, 0, 0, 1)
trp = vtk.vtkTransformPolyDataFilter()
trp.SetInputData(glyph.GetOutput())
trp.SetTransform(tr)
glyph = trp
glyph.Update()
geom = glyph.GetOutput()
mesh = grid.glyph(orient='vec',
scale=scale,
factor=factor,
geom=geom)
_add_mesh(self.plotter,
mesh=mesh,
color=color,
opacity=opacity,
backface_culling=backface_culling)
def DisplayCone(self):
'''
Create a cone, contour it using the banded contour filter and
color it with the primary additive and subtractive colors.
'''
#print namedColors
# Create a cone
coneSource = vtk.vtkConeSource()
coneSource.SetCenter(0.0, 0.0, 0.0)
coneSource.SetRadius(5.0)
coneSource.SetHeight(10)
coneSource.SetDirection(0, 1, 0)
coneSource.Update()
bounds = [1.0, -1.0, 1.0, -1.0, 1.0, -1.0]
coneSource.GetOutput().GetBounds(bounds)
elevation = vtk.vtkElevationFilter()
elevation.SetInputConnection(coneSource.GetOutputPort())
elevation.SetLowPoint(0, bounds[2], 0)
elevation.SetHighPoint(0, bounds[3], 0)
bcf = vtk.vtkBandedPolyDataContourFilter()
bcf.SetInputConnection(elevation.GetOutputPort())
bcf.SetScalarModeToValue()
bcf.GenerateContourEdgesOn()
bcf.GenerateValues(7, elevation.GetScalarRange())
# Build a simple lookup table of
# primary additive and subtractive colors.
lut = vtk.vtkLookupTable()
lut.SetNumberOfTableValues(7)
# Test setting and getting a color here.
# We are also modifying alpha.
rgba = self.GetRGBAColor("Red")
rgba[3] = 0.5
self.namedColors.SetColor("My Red", rgba)
rgba = self.GetRGBAColor("My Red")
lut.SetTableValue(0, rgba)
# Does "My Red" match anything?
match = self.FindSynonyms("My Red")
print "Matching colors to My Red:", match
rgba = self.GetRGBAColor("DarkGreen")
rgba[3] = 0.3
lut.SetTableValue(1, rgba)
# Alternatively we can use our wrapper functions:
lut.SetTableValue(2, self.GetRGBAColor("Blue"))
lut.SetTableValue(3, self.GetRGBAColor("Cyan"))
lut.SetTableValue(4, self.GetRGBAColor("Magenta"))
lut.SetTableValue(5, self.GetRGBAColor("Yellow"))
lut.SetTableValue(6, self.GetRGBAColor("White"))
lut.SetTableRange(elevation.GetScalarRange())
lut.Build()
mapper = vtk.vtkPolyDataMapper()
mapper.SetInputConnection(bcf.GetOutputPort())
mapper.SetLookupTable(lut)
mapper.SetScalarModeToUseCellData()
contourLineMapper = vtk.vtkPolyDataMapper()
contourLineMapper.SetInputData(bcf.GetContourEdgesOutput())
contourLineMapper.SetScalarRange(elevation.GetScalarRange())
contourLineMapper.SetResolveCoincidentTopologyToPolygonOffset()
actor = vtk.vtkActor()
actor.SetMapper(mapper)
contourLineActor = vtk.vtkActor()
actor.SetMapper(mapper)
contourLineActor.SetMapper(contourLineMapper)
contourLineActor.GetProperty().SetColor(self.GetRGBColor("black"))
renderer = vtk.vtkRenderer()
renderWindow = vtk.vtkRenderWindow()
renderWindow.AddRenderer(renderer)
renderWindowInteractor = vtk.vtkRenderWindowInteractor()
renderWindowInteractor.SetRenderWindow(renderWindow)
renderer.AddActor(actor)
renderer.AddActor(contourLineActor)
renderer.SetBackground(self.GetRGBColor("SteelBlue"))
renderWindow.Render()
fnsave = "TestNamedColorsIntegration.png"
renLgeIm = vtk.vtkRenderLargeImage()
imgWriter = vtk.vtkPNGWriter()
renLgeIm.SetInput(renderer)
renLgeIm.SetMagnification(1)
imgWriter.SetInputConnection(renLgeIm.GetOutputPort())
imgWriter.SetFileName(fnsave)
imgWriter.Write()
renderWindowInteractor.Start()
def updateAffectiveZone(self, caller=None, event=None):
targetingNode = self.targetingPlugin.targetTablePlugin.currentTargets
if self.targetingPlugin.fiducialsWidget.visible:
targetingNode = self.targetingPlugin.fiducialsWidget.currentNode
if self.needleModelNode and self.affectedAreaModelNode and self.approvedCoverTemplate and targetingNode.GetNumberOfFiducials(
):
needleModelAppend = vtk.vtkAppendPolyData()
affectedBallAreaAppend = vtk.vtkAppendPolyData()
zFrameTransformMatrix = self.data.zFrameRegistrationResult.transform.GetMatrixTransformToParent(
)
# The offset and ellipsoid parameters are taken from the following source code
# http://viewvc.slicer.org/viewvc.cgi/NAMICSandBox/trunk/IGTLoadableModules/ProstateNav/TransPerinealProstateCryoTemplate/vtkMRMLTransPerinealProstateCryoTemplateNode.cxx?revision=8043&view=markup
offsetFromTip = 5.0 #unit mm
coneHeight = 5.0
for targetIndex in range(targetingNode.GetNumberOfFiducials()):
if self.displayForTargets.get(
targetingNode.GetNthMarkupID(
targetIndex)) == qt.Qt.Checked:
affectedBallAreaRadius = self.GetIceBallRadius(
self.needleTypeForTargets.get(
targetingNode.GetNthMarkupID(
targetIndex))) # unit mm
targetPosition = [0.0, 0.0, 0.0]
targetingNode.GetNthFiducialPosition(
targetIndex, targetPosition)
(start, end, indexX, indexY, depth,
inRange) = self.needlePathCaculator.computeNearestPath(
targetPosition)
needleDirection = (numpy.array(end) -
numpy.array(start)) / numpy.linalg.norm(
numpy.array(end) -
numpy.array(start))
cone = vtk.vtkConeSource()
cone.SetRadius(1.5)
cone.SetResolution(6)
cone.SetHeight(coneHeight)
cone.CappingOff()
cone.Update()
transform = vtk.vtkTransform()
transform.RotateY(-90)
transform.RotateX(30)
transform.Translate(-coneHeight / 2, 0.0, 0.0)
tFilter0 = vtk.vtkTransformPolyDataFilter()
tFilter0.SetInputData(cone.GetOutput())
tFilter0.SetTransform(transform)
tFilter0.Update()
translatePart = start + depth * needleDirection
for index, posElement in enumerate(translatePart):
zFrameTransformMatrix.SetElement(index, 3, posElement)
transform.SetMatrix(zFrameTransformMatrix)
tFilter1 = vtk.vtkTransformPolyDataFilter()
tFilter1.SetTransform(transform)
tFilter1.SetInputData(tFilter0.GetOutput())
tFilter1.Update()
needleModelAppend.AddInputData(tFilter1.GetOutput())
needleModelAppend.Update()
pathTubeFilter = ModuleLogicMixin.createVTKTubeFilter(
start,
start + (depth - coneHeight) * needleDirection,
radius=1.5,
numSides=6)
needleModelAppend.AddInputData(pathTubeFilter.GetOutput())
needleModelAppend.Update()
#End of needle model
#--------------
#--------------
#Begin of affectedBallArea
affectedBallArea = vtk.vtkParametricEllipsoid()
affectedBallArea.SetXRadius(
float(affectedBallAreaRadius[0]))
affectedBallArea.SetYRadius(
float(affectedBallAreaRadius[1]))
affectedBallArea.SetZRadius(
float(affectedBallAreaRadius[2]))
affectedBallAreaSource = vtk.vtkParametricFunctionSource()
affectedBallAreaSource.SetParametricFunction(
affectedBallArea)
affectedBallAreaSource.SetScalarModeToV()
affectedBallAreaSource.Update()
translatePart = start + (depth + offsetFromTip - float(
affectedBallAreaRadius[2])) * needleDirection
for index, posElement in enumerate(translatePart):
zFrameTransformMatrix.SetElement(index, 3, posElement)
transform.SetMatrix(zFrameTransformMatrix)
tFilter2 = vtk.vtkTransformPolyDataFilter()
tFilter2.SetTransform(transform)
tFilter2.SetInputData(affectedBallAreaSource.GetOutput())
tFilter2.Update()
affectedBallAreaAppend.AddInputData(tFilter2.GetOutput())
affectedBallAreaAppend.Update()
self.needleModelNode.SetAndObservePolyData(
needleModelAppend.GetOutput())
self.affectedAreaModelNode.SetAndObservePolyData(
affectedBallAreaAppend.GetOutput())
ModuleLogicMixin.setNodeVisibility(self.needleModelNode, True)
ModuleLogicMixin.setNodeVisibility(self.affectedAreaModelNode,
True)
ModuleLogicMixin.setNodeSliceIntersectionVisibility(
self.needleModelNode, True)
ModuleLogicMixin.setNodeSliceIntersectionVisibility(
self.affectedAreaModelNode, True)
pass
def __init__(self, ren, renWin, iren):
self.ren = ren
self.renWin = renWin
self.iren = iren
colors = self.Colors()
self.renWin.AddRenderer(self.ren)
self.iren.SetRenderWindow(self.renWin)
self.iren.SetDesiredUpdateRate(.00001)
# Create a sphere source and actor
sphere = vtk.vtkSphereSource()
sphereMapper = vtk.vtkPolyDataMapper()
sphereMapper.SetInputConnection(sphere.GetOutputPort())
sphereActor = vtk.vtkLODActor()
sphereActor.SetMapper(sphereMapper)
sphereActor.GetProperty().SetDiffuseColor(colors.GetRGBColor('banana'))
sphereActor.GetProperty().SetSpecular(.4)
sphereActor.GetProperty().SetSpecularPower(20)
# Create the spikes using a cone source and the sphere source
cone = vtk.vtkConeSource()
cone.SetResolution(20)
glyph = vtk.vtkGlyph3D()
glyph.SetInputConnection(sphere.GetOutputPort())
glyph.SetSourceConnection(cone.GetOutputPort())
glyph.SetVectorModeToUseNormal()
glyph.SetScaleModeToScaleByVector()
glyph.SetScaleFactor(0.25)
spikeMapper = vtk.vtkPolyDataMapper()
spikeMapper.SetInputConnection(glyph.GetOutputPort())
spikeActor = vtk.vtkLODActor()
spikeActor.SetMapper(spikeMapper)
spikeActor.GetProperty().SetDiffuseColor(colors.GetRGBColor('tomato'))
spikeActor.GetProperty().SetSpecular(.4)
spikeActor.GetProperty().SetSpecularPower(20)
# Add the actors to the renderer, set the background and size
self.ren.AddActor(sphereActor)
self.ren.AddActor(spikeActor)
self.ren.SetBackground(0.1, 0.2, 0.4)
self.renWin.SetSize(300, 300)
# Render the image
self.ren.ResetCamera()
cam1 = ren.GetActiveCamera()
cam1.Zoom(1.4)
cam1.Azimuth(30)
cam1.Elevation(30)
self.renWin.Render()
#!/usr/bin/env python import vtk from vtk.test import Testing from vtk.util.misc import vtkGetDataRoot VTK_DATA_ROOT = vtkGetDataRoot() # create a rendering window and renderer ren1 = vtk.vtkRenderer() ren1.AutomaticLightCreationOff() renWin = vtk.vtkRenderWindow() renWin.AddRenderer(ren1) iren = vtk.vtkRenderWindowInteractor() iren.SetRenderWindow(renWin) # create cones of varying resolution cone0 = vtk.vtkConeSource() cone0.SetResolution(0) cone1 = vtk.vtkConeSource() cone1.SetResolution(1) cone2 = vtk.vtkConeSource() cone2.SetResolution(2) cone8 = vtk.vtkConeSource() cone8.SetResolution(8) cone8.SetDirection(0, 0, 10) cone8.SetCenter(5, 0, 0) cone0Mapper = vtk.vtkPolyDataMapper() cone0Mapper.SetInputConnection(cone0.GetOutputPort()) cone0Actor = vtk.vtkActor() cone0Actor.SetMapper(cone0Mapper) cone1Mapper = vtk.vtkPolyDataMapper() cone1Mapper.SetInputConnection(cone1.GetOutputPort()) cone1Actor = vtk.vtkActor()
