def load(self, file):
"""Load a scene from file or string"""
# keep root node instance and copy children instead so root variable in console stays valid
del self._root[:]
self._root += iv.read(file)[:]
if self._root is not None:
if file[0] is not '#':
self._filePath = file
else:
self._filePath = ""
self.parent().setWindowTitle(self.applicationTitle())
del self.previewWidget.sceneManager.scene[:]
resetCamera = False
if (iv.search(self._root, type="DirectionalLight") is None):
self.previewWidget.sceneManager.scene += iv.DirectionalLight()
if (iv.search(self._root, type="Camera") is None):
self.previewWidget.sceneManager.scene += [
iv.OrthographicCamera(), self._root
]
resetCamera = True
self.previewWidget.sceneManager.scene += self._root
if resetCamera:
self.previewWidget.sceneManager.view_all()
self.inspectorWidget.attach(self._root)
def load(self, file):
"""Load a scene from file or string"""
# keep root node instance and copy children instead so root variable in console stays valid
del self._root[:]
self._root += iv.read(file)[:]
if self._root is not None:
if file[0] is not '#':
self._filePath = file
else:
self._filePath = ""
self.parent().setWindowTitle(self.applicationTitle())
del self.previewWidget.sceneManager.scene[:]
resetCamera = False
if (len(iv.search(self._root, type="DirectionalLight")) == 0):
self.previewWidget.sceneManager.scene += iv.DirectionalLight()
if (len(iv.search(self._root, type="Camera")) == 0):
self.previewWidget.sceneManager.scene += [ iv.OrthographicCamera(), self._root ]
resetCamera = True
self.previewWidget.sceneManager.scene += self._root
if resetCamera:
self.previewWidget.sceneManager.view_all()
self.inspectorWidget.attach(self._root)
def createScene(self):
self.ivWidget.sceneManager.scene = iv.read(__file__.replace(".py", ".iv"))
self.manip = iv.TransformBoxManip()
# find selection node and attach callbacks
selectionNode = iv.search(self.ivWidget.sceneManager.scene, type="Selection")[-1]
self.selectionSensor = iv.Sensor(selectionNode, "selection", self.selectionCB)
self.deselectionSensor = iv.Sensor(selectionNode, "deselection", self.deselectionCB)
def loadScene(self, file):
root = iv.read(file)
if root:
self.glWidget.sceneManager.scene = root
if (len(iv.search(self.glWidget.sceneManager.scene, type="Camera")) == 0):
self.glWidget.sceneManager.scene.insert(0, iv.OrthographicCamera())
if (len(iv.search(self.glWidget.sceneManager.scene, type="DirectionalLight")) == 0):
self.glWidget.sceneManager.scene.insert(0, iv.DirectionalLight())
self.glWidget.sceneManager.view_all()
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
baseSceneStr = "#Inventor V2.1 ascii\n \
Separator { \
DirectionalLight {}\n \
OrthographicCamera { orientation 1 0 0 3.1415926 position 0 0 -5 }\n \
Material { diffuseColor 1 1 1 }\n \
}"
volNode = iv.SoVolumeData("fileName 3dhead.vol")
# transfer function: simple ramp
cmap = np.ones((4, 256))
cmap[:4] = np.linspace(0, 1, 256)
mainLayout = QtGui.QHBoxLayout()
mainLayout.setContentsMargins(0, 0, 0, 0)
mainLayout.setSpacing(2)
widget = QtInventor.QIVWidget()
widget.sceneManager.background = (0.5, 0.3, 0.3)
widget.sceneManager.scene = iv.read(baseSceneStr)
widget.sceneManager.scene += volNode
widget.sceneManager.scene += iv.SoTransferFunction(
"colorMapType RGBA predefColorMap NONE")
widget.sceneManager.scene[-1].colorMap = cmap.T
widget.sceneManager.scene += iv.SoOrthoSlice("axis Z sliceNumber 52")
mainLayout.addWidget(widget)
widget = QtInventor.QIVWidget(None, widget)
widget.sceneManager.background = (0.3, 0.5, 0.3)
widget.sceneManager.scene = iv.read(baseSceneStr)
widget.sceneManager.scene += iv.TrackballManip()
widget.sceneManager.scene += volNode
widget.sceneManager.scene += iv.SoTransferFunction(
"colorMapType RGBA predefColorMap NONE remapLow 0x30 remapHigh 0xff"
)
widget.sceneManager.scene[-1].colorMap = cmap.T
widget.sceneManager.scene += iv.SoVolumeRender()
mainLayout.addWidget(widget)
self.setLayout(mainLayout)
self.setWindowTitle(self.tr("Volume Rendering"))
def createScene(self):
self.ivWidget.sceneManager.scene = iv.read(
__file__.replace(".py", ".iv"))
self.manip = iv.TransformBoxManip()
# find selection node and attach callbacks
selectionNode = iv.search(self.ivWidget.sceneManager.scene,
type="Selection")[-1]
self.selectionSensor = iv.Sensor(selectionNode, "selection",
self.selectionCB)
self.deselectionSensor = iv.Sensor(selectionNode, "deselection",
self.deselectionCB)
def __init__(self, parent=None):
QtGui.QWidget.__init__(self, parent)
baseSceneStr = "#Inventor V2.1 ascii\n \
Separator { \
DirectionalLight {}\n \
OrthographicCamera { orientation 1 0 0 3.1415926 position 0 0 -5 }\n \
Material { diffuseColor 1 1 1 }\n \
}"
volNode = iv.SoVolumeData("fileName 3dhead.vol")
# transfer function: simple ramp
cmap = np.ones((4,256))
cmap[:4] = np.linspace(0, 1, 256)
mainLayout = QtGui.QHBoxLayout()
mainLayout.setContentsMargins(0, 0, 0, 0)
mainLayout.setSpacing(2)
widget = QtInventor.QIVWidget()
widget.sceneManager.background = (0.5, 0.3, 0.3)
widget.sceneManager.scene = iv.read(baseSceneStr)
widget.sceneManager.scene += volNode
widget.sceneManager.scene += iv.SoTransferFunction("colorMapType RGBA predefColorMap NONE")
widget.sceneManager.scene[-1].colorMap = cmap.T
widget.sceneManager.scene += iv.SoOrthoSlice("axis Z sliceNumber 52")
mainLayout.addWidget(widget)
widget = QtInventor.QIVWidget(None, widget)
widget.sceneManager.background = (0.3, 0.5, 0.3)
widget.sceneManager.scene = iv.read(baseSceneStr)
widget.sceneManager.scene += iv.TrackballManip()
widget.sceneManager.scene += volNode
widget.sceneManager.scene += iv.SoTransferFunction("colorMapType RGBA predefColorMap NONE remapLow 0x30 remapHigh 0xff")
widget.sceneManager.scene[-1].colorMap = cmap.T
widget.sceneManager.scene += iv.SoVolumeRender()
mainLayout.addWidget(widget)
self.setLayout(mainLayout)
self.setWindowTitle(self.tr("Volume Rendering"))
def loadScene(self, file):
root = iv.read(file)
if root:
self.glWidget.sceneManager.scene = root
if (len(iv.search(self.glWidget.sceneManager.scene,
type="Camera")) == 0):
self.glWidget.sceneManager.scene.insert(
0, iv.OrthographicCamera())
if (len(
iv.search(self.glWidget.sceneManager.scene,
type="DirectionalLight")) == 0):
self.glWidget.sceneManager.scene.insert(
0, iv.DirectionalLight())
self.glWidget.sceneManager.view_all()
