def check_volumepro(self):
try:
map = vtk.vtkVolumeProMapper()
except AttributeError:
return 0
else:
return map.GetNumberOfBoards()
def set_map_type(self, map_type):
if map_type == self.map_type:
return
Common.state.busy ()
if map_type == 0:
self.map = vtk.vtkVolumeRayCastMapper ()
self.map.SetVolumeRayCastFunction (self.ray_cast_func)
elif map_type == 1:
self.map = vtk.vtkVolumeTextureMapper2D()
elif map_type == 2:
self.map = vtk.vtkVolumeProMapper()
self.renwin.get_active_camera().ParallelProjectionOn()
tkMessageBox.showwarning("Notice!","Camera's projection type set to parallel projection!")
self.map_type = map_type
self.map.SetInput (self.mod_m.GetOutput ())
self.act.SetMapper (self.map)
if self.root and self.root.winfo_exists():
self.make_map_gui()
self.make_rcf_gui()
self.renwin.Render ()
Common.state.idle ()
def __init__(self, parent, visualizer, **kws):
"""
Initialization
"""
self.modes = [
"Ray casting", "Texture mapping", "3D texture mapping",
"Maximum intensity projection"
]
self.haveVolpro = 0
self.mapper = None
conf = Configuration.getConfiguration()
self.defaultMode = conf.getConfigItem("DefaultVolumeMode", "Rendering")
if self.defaultMode != None:
self.defaultMode = int(self.defaultMode)
else:
self.defaultMode = RAYCAST
try:
volpro = vtk.vtkVolumeProMapper()
self.haveVolpro = 0
if volpro.GetNumberOfBoards():
self.haveVolpro = 1
except:
self.haveVolpro = 0
if self.haveVolpro:
self.modes.append("Minimum intensity projection")
self.colorTransferFunction = None
self.otf, self.otf2 = vtk.vtkPiecewiseFunction(
), vtk.vtkPiecewiseFunction()
otf2 = self.otf2
otf = self.otf
otf2.AddPoint(0, 0.0)
otf2.AddPoint(255, 1.0)
otf.AddPoint(0, 0.0)
otf.AddPoint(255, 0.2)
self.otfs = [self.otf, self.otf, self.otf, self.otf2, self.otf]
self.volumeProperty = vtk.vtkVolumeProperty()
self.volume = vtk.vtkVolume()
self.actor = self.volume
self.volume.SetProperty(self.volumeProperty)
VisualizationModule.__init__(self, parent, visualizer, **kws)
self.mapper = None
#self.name = "Volume Rendering"
self.setParameter("Quality", 10)
self.parameters["Method"] = RAYCAST
if self.defaultMode != None:
self.parameters["Method"] = int(self.defaultMode)
self.volumeProperty.SetScalarOpacity(
self.otfs[self.parameters["Method"]])
self.descs = {"Palette": "", "Method": "", "Interpolation": "Interpolation", \
"NearestNeighbor": "Nearest Neighbour", "Linear": "Linear", \
"Quality": "", "QualityValue": "Maximum number of planes:", \
"UseVolumepro": "Use VolumePro acceleration", \
"UseShading": "Use shading" }
self.eventDesc = "Rendering volume"
self.qualityRange = 0, 10
self.volumeAdded = False
self.mapperUpdated = False
self.setShading(0)
self.vtkObjects = ["otf", "otf2"]
#self.updateRendering()
lib.messenger.connect(None, "switch_datasets", self.onSwitchDatasets)
self.filterDesc = "Volume render input data"
def updateMethod(self):
"""
Set the Rendering method used
"""
self.parameters["QualityValue"] = 0
if not self.initDone:
return
method = self.parameters["Method"]
self.volumeProperty.SetScalarOpacity(self.otfs[method])
self.updateOpacityTransferFunction()
tbl = [
"Ray cast", "Texture Map", "3D texture map", "MIP", "Isosurface"
]
Logging.info("Volume rendering method: ", tbl[method], kw="rendering")
#Ray Casting, RGBA Ray Casting, Texture Mapping, MIP
composites = [
vtk.vtkVolumeRayCastCompositeFunction, None, None,
vtk.vtkVolumeRayCastMIPFunction,
vtk.vtkVolumeRayCastIsosurfaceFunction
]
blendModes = [
"Composite", "Composite", "Composite", "MaximumIntensity",
"Composite"
]
if method in [RAYCAST, MIP, ISOSURFACE]:
# Iso surfacing with fixedpoint mapper is not supported
if method != ISOSURFACE:
self.mapper = vtk.vtkFixedPointVolumeRayCastMapper()
#self.mapper.SetAutoAdjustSampleDistances(1)
self.sampleDistance = self.mapper.GetSampleDistance()
#self.volumeProperty.IndependentComponentsOff()
mode = blendModes[method]
Logging.info("Setting fixed point rendering mode to ",
mode,
kw="rendering")
eval("self.mapper.SetBlendModeTo%s()" % mode)
else:
self.mapper = vtk.vtkVolumeRayCastMapper()
self.function = composites[method]()
Logging.info("Using ray cast function ",
self.function,
kw="rendering")
self.mapper.SetVolumeRayCastFunction(self.function)
elif method == TEXTURE_MAPPING_3D: # 3d texture mapping
self.mapper = vtk.vtkVolumeTextureMapper3D()
self.sampleDistance = self.mapper.GetSampleDistance()
elif method == TEXTURE_MAPPING: # texture mapping
self.mapper = vtk.vtkVolumeTextureMapper2D()
self.maxPlanes = self.mapper.GetMaximumNumberOfPlanes()
# changed following because seems like a mistake, 19.7.2007 SS
# if self.haveVolpro and self.method in [RAYCAST, ISOSURFACE, MIP] and self.parameters["UseVolumepro"]:
if self.haveVolpro and method in [
RAYCAST, ISOSURFACE, MIP
] and self.parameters["UseVolumepro"]:
# use volumepro accelerated rendering
self.mapper = vtk.vtkVolumeProMapper()
modes = [
"Composite", None, None, "MaximumIntensity", "MinimumIntensity"
]
acc = modes[method]
cmd = "self.mapper.SetBlendModeTo%s()" % acc
Logging.info("Setting blending mode to ", acc, kw="rendering")
eval(cmd)
Logging.info("Setting parallel projetion", kw="rendering")
self.renderer.GetActiveCamera().ParallelProjectionOn()
#self.settingEdit.Enable(0)
#self.qualitySlider.Enable(0)
else:
self.renderer.GetActiveCamera().ParallelProjectionOff()
self.mapperUpdated = True
def __init__(self, parent, visualizer, **kws):
"""
Initialization
"""
self.modes = ["Ray casting", "Texture mapping", "3D texture mapping", "Maximum intensity projection"]
self.haveVolpro = 0
self.mapper = None
conf = Configuration.getConfiguration()
self.defaultMode = conf.getConfigItem("DefaultVolumeMode", "Rendering")
if self.defaultMode != None:
self.defaultMode = int(self.defaultMode)
else:
self.defaultMode = RAYCAST
try:
volpro = vtk.vtkVolumeProMapper()
self.haveVolpro = 0
if volpro.GetNumberOfBoards():
self.haveVolpro = 1
except:
self.haveVolpro = 0
if self.haveVolpro:
self.modes.append("Minimum intensity projection")
self.colorTransferFunction = None
self.otf, self.otf2 = vtk.vtkPiecewiseFunction(), vtk.vtkPiecewiseFunction()
otf2 = self.otf2
otf = self.otf
otf2.AddPoint(0, 0.0)
otf2.AddPoint(255, 1.0)
otf.AddPoint(0, 0.0)
otf.AddPoint(255, 0.2)
self.otfs = [self.otf, self.otf, self.otf, self.otf2, self.otf]
self.volumeProperty = vtk.vtkVolumeProperty()
self.volume = vtk.vtkVolume()
self.actor = self.volume
self.volume.SetProperty(self.volumeProperty)
VisualizationModule.__init__(self, parent, visualizer, **kws)
self.mapper = None
#self.name = "Volume Rendering"
self.setParameter("Quality", 10)
self.parameters["Method"] = RAYCAST
if self.defaultMode != None:
self.parameters["Method"] = int(self.defaultMode)
self.volumeProperty.SetScalarOpacity(self.otfs[self.parameters["Method"]])
self.descs = {"Palette": "", "Method": "", "Interpolation": "Interpolation", \
"NearestNeighbor": "Nearest Neighbour", "Linear": "Linear", \
"Quality": "", "QualityValue": "Maximum number of planes:", \
"UseVolumepro": "Use VolumePro acceleration", \
"UseShading": "Use shading" }
self.eventDesc = "Rendering volume"
self.qualityRange = 0, 10
self.volumeAdded = False
self.mapperUpdated = False
self.setShading(0)
self.vtkObjects = ["otf", "otf2"]
#self.updateRendering()
lib.messenger.connect(None, "switch_datasets", self.onSwitchDatasets)
self.filterDesc = "Volume render input data"
def updateMethod(self):
"""
Set the Rendering method used
"""
self.parameters["QualityValue"] = 0
if not self.initDone:
return
method = self.parameters["Method"]
self.volumeProperty.SetScalarOpacity(self.otfs[method])
self.updateOpacityTransferFunction()
tbl = ["Ray cast", "Texture Map", "3D texture map", "MIP", "Isosurface"]
Logging.info("Volume rendering method: ", tbl[method], kw = "rendering")
#Ray Casting, RGBA Ray Casting, Texture Mapping, MIP
composites = [vtk.vtkVolumeRayCastCompositeFunction,
None,
None,
vtk.vtkVolumeRayCastMIPFunction,
vtk.vtkVolumeRayCastIsosurfaceFunction
]
blendModes = ["Composite", "Composite", "Composite", "MaximumIntensity", "Composite"]
if method in [RAYCAST, MIP, ISOSURFACE]:
# Iso surfacing with fixedpoint mapper is not supported
if method != ISOSURFACE:
self.mapper = vtk.vtkFixedPointVolumeRayCastMapper()
#self.mapper.SetAutoAdjustSampleDistances(1)
self.sampleDistance = self.mapper.GetSampleDistance()
#self.volumeProperty.IndependentComponentsOff()
mode = blendModes[method]
Logging.info("Setting fixed point rendering mode to ", mode, kw = "rendering")
eval("self.mapper.SetBlendModeTo%s()" % mode)
else:
self.mapper = vtk.vtkVolumeRayCastMapper()
self.function = composites[method]()
Logging.info("Using ray cast function ", self.function, kw = "rendering")
self.mapper.SetVolumeRayCastFunction(self.function)
elif method == TEXTURE_MAPPING_3D: # 3d texture mapping
self.mapper = vtk.vtkVolumeTextureMapper3D()
self.sampleDistance = self.mapper.GetSampleDistance()
elif method == TEXTURE_MAPPING: # texture mapping
self.mapper = vtk.vtkVolumeTextureMapper2D()
self.maxPlanes = self.mapper.GetMaximumNumberOfPlanes()
# changed following because seems like a mistake, 19.7.2007 SS
# if self.haveVolpro and self.method in [RAYCAST, ISOSURFACE, MIP] and self.parameters["UseVolumepro"]:
if self.haveVolpro and method in [RAYCAST, ISOSURFACE, MIP] and self.parameters["UseVolumepro"]:
# use volumepro accelerated rendering
self.mapper = vtk.vtkVolumeProMapper()
modes = ["Composite", None, None, "MaximumIntensity", "MinimumIntensity"]
acc = modes[method]
cmd = "self.mapper.SetBlendModeTo%s()" % acc
Logging.info("Setting blending mode to ", acc, kw = "rendering")
eval(cmd)
Logging.info("Setting parallel projetion", kw = "rendering")
self.renderer.GetActiveCamera().ParallelProjectionOn()
#self.settingEdit.Enable(0)
#self.qualitySlider.Enable(0)
else:
self.renderer.GetActiveCamera().ParallelProjectionOff()
self.mapperUpdated = True
