[Paraview] python scripting inside Paraview

Robert Maynard thorin.hax at gmail.com
Tue Jun 12 16:00:04 EDT 2007


With the removal of the print statement, Paraview and the python shell both
lock up and need to
be killed.

I than tested, commenting out the CreateDisplay line and with no print
statements, the program ran correctly. It really looks
like that something inside CreateDisplay() is not working properly.

On 6/12/07, Utkarsh Ayachit <utkarsh.ayachit at kitware.com> wrote:
>
> Try removing the "print" statement. Does that help? I am wondering if
> there's some issue with the python shell widget.
>
> Utkarsh
>
> Robert Maynard wrote:
> > If I run the following script, Paraview crashes to the console with the
> > error:
> > terminate called after throwing an instance of 'std::bad_alloc'
> >   what():  St9bad_alloc
> > Aborted
> >
> > As I said if I remove the line
> >  disp = paraview.CreateDisplay(line, activeView)
> > the script will complete correctly, but I would have to manual turn on
> > each element
> > something that I want the script to do
> >
> > #!/usr/bin/env python
> > import paraview
> >
> > # Locate the view to which we'll add the "display". All views are
> > # registered in the group "view_modules" with the proxy manager.
> > pxm = paraview.pyProxyManager()
> > iter = pxm.group_iter ("view_modules");
> > activeView = None
> > for proxy in iter:
> >   if proxy.IsA("vtkSMRenderModuleProxy"):
> >     activeView = proxy
> >     break
> > if activeView:
> >   for z in range (0, 10):
> >     for y in range (0, 10):
> >       for cc in range (0, 10):
> >         # create a display for the source in the active view.
> >         line = paraview.CreateProxy("sources","LineSource","sources",
> > "line.%d.%d.%d"%(cc,y,z))
> >         print cc, " ", y, " ", z
> >         line.SetPoint1(cc,y,z)
> >         line.SetPoint2(0,0,0)
> >         line.UpdateVTKObjects();
> >         disp = paraview.CreateDisplay(line, activeView);
> >   activeView.StillRender();
> >
> >
> > On 6/12/07, *Utkarsh Ayachit* <utkarsh.ayachit at kitware.com
> > <mailto:utkarsh.ayachit at kitware.com>> wrote:
> >
> >     Hmm weird,
> >
> >     Here's my script to create a 1000 spheres. It seems to work just
> fine
> >     for me.
> >
> >     Can you post your script?
> >
> >     import paraview
> >
> >     # Locate the view to which we'll add the "display". All views are
> >     # registered in the group "view_modules" with the proxy manager.
> >     pxm = paraview.pyProxyManager()
> >     iter = pxm.group_iter("view_modules");
> >     activeView = None
> >     for proxy in iter:
> >        if proxy.IsA("vtkSMRenderModuleProxy"):
> >          activeView = proxy
> >          break
> >     if activeView:
> >        for z in range (0, 10):
> >          for y in range (0, 10):
> >            for cc in range (0, 10):
> >              # create a display for the source in the active view.
> >              sphere = \
> >               paraview.CreateProxy ("sources","SphereSource","sources",
> >                  "sphere.%d.%d.%d"% (cc,y,z))
> >              sphere.SetCenter(cc, y, z);
> >              sphere.UpdateVTKObjects();
> >              disp = paraview.CreateDisplay (sphere, activeView);
> >        activeView.StillRender();
> >
> >     Utkarsh
> >
> >     Robert Maynard wrote:
> >      > Thank you for the reply. I tried something similar to this but by
> >     doing
> >      > it this way:
> >      >
> >      > renModule = paraview.GetRenderModule()
> >      > paraview.CreateDisplay(sphere, renModule):
> >      >
> >      > The major problem I get is that for both of these ways to add the
> >     item
> >      > to a Display proxy, is that while it works nicely for a small
> >     dataset.
> >      > When I try to create with python 200 sphere's, and 1000 lines.
> >     The python
> >      > parser slows right down, and really slows down the render. It
> >     seems that
> >      > this
> >      > way extra display proxies are created, becuase when I try to save
> >     the
> >      > state, or close paraview
> >      > I get the following error.
> >      >
> >      > The program 'modpython' received an X Window System error.
> >      > This probably reflects a bug in the program.
> >      > The error was 'BadWindow (invalid Window parameter)'.
> >      >   (Details: serial 366766 error_code 3 request_code 15 minor_code
> 0)
> >      >   (Note to programmers: normally, X errors are reported
> >     asynchronously;
> >      >    that is, you will receive the error a while after causing it.
> >      >    To debug your program, run it with the --sync command line
> >      >    option to change this behavior. You can then get a meaningful
> >      >    backtrace from your debugger if you break on the gdk_x_error()
> >     function.)
> >      > vtkDebugLeaks has detected LEAKS!
> >      > Class "vtkSMSourceProxy" has 1645 instances still around.
> >      > Class "vtkSMPWriterProxy" has 8 instances still around.
> >      > Class "vtkPVAxesActor" has 1 instance still around.
> >      > Class "vtkFixedPointVolumeRayCastCompositeHelper" has 129
> instances
> >      > still around.
> >      > Class "vtkOpenGLScalarsToColorsPainter" has 273 instances still
> >     around.
> >      > Class "pqPendingDisplayUndoElement" has 1 instance still around.
> >      > Class "vtkXOpenGLRenderWindow" has 1 instance still around.
> >      > Class "vtkSMAxesProxy" has 1 instance still around.
> >      > Class "vtkSMMaterialLoaderProxy" has 129 instances still around.
> >      > Class "pqOptions" has 1 instance still around.
> >      > Class "vtkSMSimpleIntInformationHelper" has 13 instances still
> >     around.
> >      > Class "vtkSMTimeStepsInformationHelper" has 17 instances still
> >     around.
> >      > Class "vtkSMEnumerationDomain" has 1884 instances still around.
> >      > Class "vtkSMPropertyModificationUndoElement" has 1 instance still
> >     around.
> >      > Class "vtkSMLODDisplayProxy" has 129 instances still around.
> >      > Class "vtkSelfConnection" has 2 instances still around.
> >      > Class "vtkCellTypes" has 1 instance still around.
> >      > Class "vtkPVXMLElement" has 29275 instances still around.
> >      > Class "vtkCellData" has 1494 instances still around.
> >      > Class "vtkSMInputProperty" has 1948 instances still around.
> >      > Class "vtkClientServerInterpreter" has 1 instance still around.
> >      > Class "vtkCollection" has 7512 instances still around.
> >      > Class "vtkSMDoubleVectorProperty" has 4086 instances still
> around.
> >      > Class "vtkSMExtentDomain" has 2 instances still around.
> >      > Class "vtkFrustumCoverageCuller" has 3 instances still around.
> >      > Class "vtkPointsPainter" has 138 instances still around.
> >      > Class "vtkCursor3D" has 4 instances still around.
> >      > Class "vtkInformationVector" has 8430 instances still around.
> >      > Class "vtkSMDataTypeDomain" has 1283 instances still around.
> >      > Class "vtkPVFileInformationHelper" has 2 instances still around.
> >      > Class "vtkSMIntArrayInformationHelper" has 2 instances still
> around.
> >      > Class "vtkPerspectiveTransform" has 6 instances still around.
> >      > Class "vtkPVTrackballZoom" has 3 instances still around.
> >      > Class "vtkSMMultiViewRenderModuleProxy" has 1 instance still
> around.
> >      > Class "vtkOpenGLPainterDeviceAdapter" has 1 instance still
> around.
> >      > Class "vtkPVTrackballRoll" has 1 instance still around.
> >      > Class "vtkPVOpenGLExtensionsInformation" has 1 instance still
> around.
> >      > Class "vtkSMWriterProxy" has 12 instances still around.
> >      > Class "vtkQuad" has 11 instances still around.
> >      > Class "vtkPointData" has 1623 instances still around.
> >      > Class "vtkOpenGLDisplayListPainter" has 273 instances still
> around.
> >      > Class "vtkSMXDMFInformationHelper" has 6 instances still around.
> >      > Class "vtkVectorText" has 3 instances still around.
> >      > Class "vtkProperty2D" has 1 instance still around.
> >      > Class "vtkPVUpdateSuppressor" has 387 instances still around.
> >      > Class "vtkPriorityQueue" has 129 instances still around.
> >      > Class "vtkPointPlacer" has 4 instances still around.
> >      > Class "vtkWidgetEventTranslator" has 4 instances still around.
> >      > Class "vtkCacheSizeKeeper" has 1 instance still around.
> >      > Class "vtkPolygonsPainter" has 138 instances still around.
> >      > Class "vtkCompositeDataPipeline" has 1420 instances still around.
> >      > Class "vtkFixedPointRayCastImage" has 129 instances still around.
> >      > Class "vtkTrivialProducer" has 277 instances still around.
> >      > Class "vtkProp3DCollection" has 4 instances still around.
> >      > Class "vtkQuadricClustering" has 129 instances still around.
> >      > Class "vtkSMArraySelectionInformationHelper" has 139 instances
> still
> >      > around.
> >      > Class "vtkMatrix4x4" has 3316 instances still around.
> >      > Class "vtkFeatureEdges" has 129 instances still around.
> >      > Class "vtkSphericalDirectionEncoder" has 129 instances still
> around.
> >      > Class "vtkPVMain" has 1 instance still around.
> >      > Class "pqStateLoader" has 1 instance still around.
> >      > Class "vtkSMFixedTypeDomain" has 1 instance still around.
> >      > Class "vtkCoordinate" has 11 instances still around.
> >      > Class "vtkBox" has 1 instance still around.
> >      > Class "vtkSMFileListDomain" has 104 instances still around.
> >      > Class "vtkSMProxyGroupDomain" has 3509 instances still around.
> >      > Class "vtkSMExtractLocationsProxy" has 1 instance still around.
> >      > Class "vtkFollower" has 3 instances still around.
> >      > Class "vtkSimpleTransform" has 21 instances still around.
> >      > Class "vtkDataSetSurfaceFilter" has 129 instances still around.
> >      > Class "vtkPVLODVolume" has 129 instances still around.
> >      > Class "vtkSMStringVectorProperty" has 1637 instances still
> around.
> >      > Class "vtkFiniteDifferenceGradientEstimator" has 129 instances
> >     still around.
> >      > Class "vtkDummyController" has 2 instances still around.
> >      > Class "vtkEventQtSlotConnect" has 716 instances still around.
> >      > Class "vtkSMDoubleRangeDomain" has 3888 instances still around.
> >      > Class "vtkSMProxyRegisterUndoElement" has 1 instance still
> around.
> >      > Class "vtkPoints" has 644 instances still around.
> >      > Class "vtkIntArray" has 1 instance still around.
> >      > Class "vtkEncodedGradientShader" has 129 instances still around.
> >      > Class "vtkInformation" has 23589 instances still around.
> >      > Class "vtkUnstructuredGridVolumeRayCastMapper" has 129 instances
> >     still
> >      > around.
> >      > Class "vtkSMUpdateSuppressorProxy" has 388 instances still
> around.
> >      > Class "vtkLine" has 46 instances still around.
> >      > Class "vtkSMUndoStackUndoSet" has 908 instances still around.
> >      > Class "vtkSMProxyLink" has 1420 instances still around.
> >      > Class "vtkSMCameraProxy" has 1 instance still around.
> >      > Class "pqRenderViewProxy" has 1 instance still around.
> >      > Class "vtkActorCollection" has 7 instances still around.
> >      > Class "vtkAxes" has 1 instance still around.
> >      > Class "vtkSMPart" has 645 instances still around.
> >      > Class "vtkPointHandleRepresentation3D" has 4 instances still
> around.
> >      > Class "vtkProcessModule" has 1 instance still around.
> >      > Class "vtkLightKit" has 1 instance still around.
> >      > Class "vtkSMViewModuleProxy" has 1 instance still around.
> >      > Class "vtkSMPVAnimationSceneProxy" has 1 instance still around.
> >      > Class "vtkPVClassNameInformation" has 645 instances still around.
> >      > Class "vtkUnstructuredGridBunykRayCastFunction" has 129 instances
> >     still
> >      > around.
> >      > Class "vtkSMDomainIterator" has 18999 instances still around.
> >      > Class "vtkVolumeCollection" has 3 instances still around.
> >      > Class "vtkMultiThreader" has 387 instances still around.
> >      > Class "vtkInteractorStyleRubberBandPick" has 1 instance still
> >     around.
> >      > Class "vtkPropCollection" has 9 instances still around.
> >      > Class "vtkSMProxyManager" has 1 instance still around.
> >      > Class "vtkOpenGLCoincidentTopologyResolutionPainter" has 273
> >     instances
> >      > still around.
> >      > Class "vtkOpenGLLightingPainter" has 273 instances still around.
> >      > Class "vtkPolyData" has 1491 instances still around.
> >      > Class "vtkGenericCell" has 133 instances still around.
> >      > Class "vtkLookupTable" has 1 instance still around.
> >      > Class "vtkPVPythonInterpretor" has 1 instance still around.
> >      > Class "vtkUnstructuredGridVolumeZSweepMapper" has 129 instances
> >     still
> >      > around.
> >      > Class "vtkPVDataInformation" has 2704 instances still around.
> >      > Class "vtkSMNumberOfGroupsDomain" has 4 instances still around.
> >      > Class "vtkSelfConnectionUndoSet" has 925 instances still around.
> >      > Class "vtkCylinderSource" has 1 instance still around.
> >      > Class "vtkSMBooleanDomain" has 4326 instances still around.
> >      > Class "vtkSMSummaryHelperProxy" has 7 instances still around.
> >      > Class "vtkOrderedTriangulator" has 129 instances still around.
> >      > Class "pqOutputWindowAdapter" has 1 instance still around.
> >      > Class "vtkPVArrayInformation" has 3345 instances still around.
> >      > Class "vtkSMUpdateInformationUndoElement" has 1 instance still
> >     around.
> >      > Class "vtkBiQuadraticQuad" has 4 instances still around.
> >      > Class "vtkPiecewiseFunction" has 5 instances still around.
> >      > Class "vtkOpenGLRayCastImageDisplayHelper" has 387 instances
> >     still around.
> >      > Class "vtkPainterPolyDataMapper" has 273 instances still around.
> >      > Class "vtkPVCompositeDataInformation" has 2833 instances still
> >     around.
> >      > Class "vtkHexahedron" has 2 instances still around.
> >      > Class "vtkActor2D" has 1 instance still around.
> >      > Class "vtkPropPicker" has 1 instance still around.
> >      > Class "vtkPVLODPartDisplayInformation" has 129 instances still
> >     around.
> >      > Class "vtkPVOptionsXMLParser" has 1 instance still around.
> >      > Class "vtkTriQuadraticHexahedron" has 1 instance still around.
> >      > Class "vtkOpenGLCamera" has 3 instances still around.
> >      > Class "vtkPVServerInformation" has 1 instance still around.
> >      > Class "vtkSMArraySelectionDomain" has 137 instances still around.
> >      > Class "vtkOpenGLActor" has 146 instances still around.
> >      > Class "vtkLineWidget2" has 1 instance still around.
> >      > Class "vtkSMProxyListDomain" has 11 instances still around.
> >      > Class "vtkSMFieldDataDomain" has 3 instances still around.
> >      > Class "vtkIdList" has 369 instances still around.
> >      > Class "vtkWorldPointPicker" has 1 instance still around.
> >      > Class "ProcessModuleGUIHelper" has 1 instance still around.
> >      > Class "vtkQuadraticLinearQuad" has 2 instances still around.
> >      > Class "vtkSMPropertyLink" has 266 instances still around.
> >      > Class "vtkConeSource" has 1 instance still around.
> >      > Class "vtkEmptyCell" has 133 instances still around.
> >      > Class "vtkTStripsPainter" has 138 instances still around.
> >      > Class "vtkOpenGLProjectedTetrahedraMapper" has 129 instances
> >     still around.
> >      > Class "vtkObserverMediator" has 1 instance still around.
> >      > Class "vtkDoubleArray" has 783 instances still around.
> >      > Class "vtkInformationDoubleValue" has 138 instances still around.
> >      > Class "vtkMatrixToLinearTransform" has 132 instances still
> around.
> >      > Class "vtkDefaultPainter" has 273 instances still around.
> >      > Class "vtkAlgorithmOutput" has 937 instances still around.
> >      > Class "vtkCullerCollection" has 3 instances still around.
> >      > Class "vtkDataSetTriangleFilter" has 129 instances still around.
> >      > Class "vtkOpenGLRenderer" has 3 instances still around.
> >      > Class "vtkCellCenterDepthSort" has 129 instances still around.
> >      > Class "vtkInformationIntegerValue" has 36597 instances still
> around.
> >      > Class "vtkSMInputArrayDomain" has 28 instances still around.
> >      > Class "vtkSMShrunkContoursProxy" has 1 instance still around.
> >      > Class "vtkQuadraticTriangle" has 2 instances still around.
> >      > Class "vtkOpenGLPolyDataMapper2D" has 1 instance still around.
> >      > Class "vtkOpenGLLight" has 7 instances still around.
> >      > Class "vtkPVInteractorStyle" has 1 instance still around.
> >      > Class "vtkSMUndoStack" has 2 instances still around.
> >      > Class "vtkSMArrayRangeDomain" has 7 instances still around.
> >      > Class "vtkSMExtractSelectionProxy" has 4 instances still around.
> >      > Class "vtkSMNumberOfPartsDomain" has 2 instances still around.
> >      > Class "vtkBiQuadraticQuadraticHexahedron" has 1 instance still
> >     around.
> >      > Class "vtkUndoStack" has 1 instance still around.
> >      > Class "vtkCellArray" has 147 instances still around.
> >      > Class "vtkSMProxyProperty" has 2490 instances still around.
> >      > Class "vtkSMArrayListDomain" has 1052 instances still around.
> >      > Class "vtkSMBoundsDomain" has 14 instances still around.
> >      > Class "vtkUnstructuredGrid" has 1 instance still around.
> >      > Class "vtkQuadraticLinearWedge" has 1 instance still around.
> >      > Class "vtkRendererCollection" has 1 instance still around.
> >      > Class "vtkStandardPolyDataPainter" has 552 instances still
> around.
> >      > Class "vtkFixedPointVolumeRayCastMapper" has 129 instances still
> >     around.
> >      > Class "vtkFixedPointVolumeRayCastMIPHelper" has 129 instances
> >     still around.
> >      > Class "vtkProcessModuleConnectionManager" has 1 instance still
> >     around.
> >      > Class "vtkSMStringListDomain" has 144 instances still around.
> >      > Class "pqProxyUnRegisterUndoElement" has 1 instance still around.
> >      > Class "pqCloseViewUndoElement" has 1 instance still around.
> >      > Class "vtkPVRenderModuleHelper" has 1 instance still around.
> >      > Class "vtkSMSimpleStringInformationHelper" has 11 instances still
> >     around.
> >      > Class "vtkHeap" has 258 instances still around.
> >      > Class "vtkChooserPainter" has 273 instances still around.
> >      > Class "vtkSMIntRangeDomain" has 1661 instances still around.
> >      > Class "pqHelperProxyRegisterUndoElement" has 1 instance still
> around.
> >      > Class "vtkSMProxy" has 667 instances still around.
> >      > Class "vtkWedge" has 2 instances still around.
> >      > Class "vtkSMSimpleDoubleInformationHelper" has 8 instances still
> >     around.
> >      > Class "vtkPVGeometryFilter" has 129 instances still around.
> >      > Class "vtkSMApplication" has 1 instance still around.
> >      > Class "vtkInformationStringValue" has 1449 instances still
> around.
> >      > Class "vtkFloatArray" has 1054 instances still around.
> >      > Class "vtkBiQuadraticQuadraticWedge" has 1 instance still around.
> >      > Class "vtkPVLODActor" has 129 instances still around.
> >      > Class "vtkVolumeProperty" has 129 instances still around.
> >      > Class "vtkInformationExecutivePortVectorValue" has 661 instances
> >     still
> >      > around.
> >      > Class "vtkPVDataSetAttributesInformation" has 5666 instances
> >     still around.
> >      > Class "vtkIdTypeArray" has 663 instances still around.
> >      > Class "pqUndoStackBuilder" has 1 instance still around.
> >      > Class "vtkSMUndoRedoStateLoader" has 1 instance still around.
> >      > Class "vtkTransform" has 1069 instances still around.
> >      > Class "vtkSocketCollection" has 1 instance still around.
> >      > Class "vtkSMDocumentation" has 7783 instances still around.
> >      > Class "vtkPVAxesWidget" has 1 instance still around.
> >      > Class "vtkPVFileInformation" has 2 instances still around.
> >      > Class "vtkFixedPointVolumeRayCastCompositeShadeHelper" has 129
> >     instances
> >      > still around.
> >      > Class "vtkSMNew3DWidgetProxy" has 1 instance still around.
> >      > Class "vtkTriangle" has 15 instances still around.
> >      > Class "vtkEdgeTable" has 129 instances still around.
> >      > Class "vtkOutlineSource" has 131 instances still around.
> >      > Class "vtkOpenGLClipPlanesPainter" has 273 instances still
> around.
> >      > Class "vtkCollectionIterator" has 2 instances still around.
> >      > Class "vtkOpenGLHAVSVolumeMapper" has 129 instances still around.
> >      > Class "vtkLineRepresentation" has 1 instance still around.
> >      > Class "vtkFieldData" has 1497 instances still around.
> >      > Class "pqSplitViewUndoElement" has 1 instance still around.
> >      > Class "vtkQuadraticQuad" has 1 instance still around.
> >      > Class "vtkLODProp3D" has 129 instances still around.
> >      > Class "vtkFixedPointVolumeRayCastCompositeGOShadeHelper" has 129
> >      > instances still around.
> >      > Class "vtkSMTimeRangeInformationHelper" has 2 instances still
> >     around.
> >      > Class "vtkPVAnimationScene" has 1 instance still around.
> >      > Class "vtkOpenGLProperty" has 151 instances still around.
> >      > Class "vtkSMInteractionUndoStackBuilder" has 1 instance still
> >     around.
> >      > Class "vtkTrackballPan" has 2 instances still around.
> >      > Class "vtkSMIntVectorProperty" has 7770 instances still around.
> >      > Class "vtkSMProxyUnRegisterUndoElement" has 1 instance still
> around.
> >      > Class "vtkSMIdTypeVectorProperty" has 14 instances still around.
> >      > Class "vtkLineSource" has 3 instances still around.
> >      > Class "vtkInformationDoubleVectorValue" has 1177 instances still
> >     around.
> >      > Class "vtkInformationKeyVectorValue" has 777 instances still
> around.
> >      > Class "vtkUnsignedCharArray" has 134 instances still around.
> >      > Class "vtkLightCollection" has 3 instances still around.
> >      > Class "vtkSphereSource" has 131 instances still around.
> >      > Class "vtkEvent" has 32 instances still around.
> >      > Class "vtkWidgetCallbackMapper" has 4 instances still around.
> >      > Class "vtkKWProcessStatistics" has 1 instance still around.
> >      > Class "vtkLinesPainter" has 138 instances still around.
> >      > Class "vtkPVGeometryInformation" has 129 instances still around.
> >      > Class "vtkPVProgressHandler" has 1 instance still around.
> >      > Class "vtkStreamingDemandDrivenPipeline" has 438 instances still
> >     around.
> >      > Class "vtkSMProperty" has 1054 instances still around.
> >      > Class "vtkSMXDMFPropertyDomain" has 2 instances still around.
> >      > Class "vtkCellPicker" has 4 instances still around.
> >      > Class "vtkUpdateSuppressorPipeline" has 387 instances still
> around.
> >      > Class "vtkOpenGLRepresentationPainter" has 273 instances still
> >     around.
> >      > Class "vtkActor2DCollection" has 3 instances still around.
> >      > Class "vtkGenericGeometryFilter" has 129 instances still around.
> >      > Class "vtkHandleWidget" has 3 instances still around.
> >      > Class "vtkTimerLog" has 4211 instances still around.
> >      > Class "vtkSMLODRenderModuleProxy" has 1 instance still around.
> >      > Class "vtkFixedPointVolumeRayCastCompositeGOHelper" has 129
> instances
> >      > still around.
> >      > Class "vtkCommand or subclass" has 33652 instances still around.
> >      > Class "vtkQuadraticEdge" has 13 instances still around.
> >      > Class "vtkMultiProcessControllerRMI" has 2 instances still
> around.
> >      > Class "vtkInformationExecutivePortValue" has 937 instances still
> >     around.
> >      > Class "vtkUndoSet" has 2 instances still around.
> >      > Class "vtkPVGenericRenderWindowInteractor" has 1 instance still
> >     around.
> >      > Class "vtkPVTrackballRotate" has 3 instances still around.
> >      >
> >      >
> >      >
> >      >
> >      > This problem does not happen, if I do not add the objects to the
> >     display
> >      > proxy, than after the script is over, I manually click on each
> >     one, and
> >      > turn on its visibility.
> >      >
> >      >
> >      >
> >      > On 6/12/07, *Utkarsh Ayachit* < utkarsh.ayachit at kitware.com
> >     <mailto:utkarsh.ayachit at kitware.com>
> >      > <mailto:utkarsh.ayachit at kitware.com
> >     <mailto:utkarsh.ayachit at kitware.com>>> wrote:
> >      >
> >      >     Hi Robert,
> >      >
> >      >     To make a source visible one needs to create what we call a
> >     "display"
> >      >     for that source. "Display" is a proxy which encapsulates the
> >      >     vtkMapper,vtkActor etc. Once must create the display for the
> >     source and
> >      >     then add it to the render module in which we want to "see"
> >     the source.
> >      >
> >      >     Here's the script that one can use to do the same:
> >      >
> >      >     import paraview
> >      >     sphere = paraview.CreateProxy
> ("sources","SphereSource","sources")
> >      >
> >      >
> >      >     # Locate the view to which we'll add the "display". All views
> are
> >      >     # registered in the group "view_modules" with the proxy
> manager.
> >      >     pxm = paraview.pyProxyManager ()
> >      >
> >      >     # Create a iterator that iterates over all proxies registered
> in
> >      >     # a particular group.
> >      >     iter = pxm.group_iter("view_modules");
> >      >     activeView = None
> >      >     for proxy in iter:
> >      >        # Locate a 3D render view.
> >      >        if proxy.IsA("vtkSMRenderModuleProxy"):
> >      >          activeView = proxy
> >      >          break
> >      >     if activeView:
> >      >        # create a display for the source in the active view.
> >      >        disp = paraview.CreateDisplay(sphere, activeView);
> >      >        # Trigger a render.
> >      >        activeView.StillRender();
> >      >
> >      >     Utkarsh
> >      >
> >      >
> >      >     Robert Maynard wrote:
> >      >      > Currently I am stumped on how to turn on or off the
> >     visibility of
> >      >     items
> >      >      > from
> >      >      > inside the paraview console.
> >      >      >
> >      >      > Currently I am constructing Line and Sphere sources by
> doing
> >      >      > sphere =
> >     paraview.CreateProxy("sources","SphereSource","sources")
> >      >      >
> >      >      > But these always are constructed with their visibility
> >     turned off. I
> >      >      > have tried
> >      >      > getting the properties of these objects using the
> vtkSMProxy
> >      >      > ListMethods() but
> >      >      > that does not list it.
> >      >      >
> >      >      > What do I need to access to be able to control their
> >     visibility?
> >      >      >
> >      >      >
> >      >      >
> >      >
> >
> ------------------------------------------------------------------------
> >      >
> >      >      >
> >      >      > _______________________________________________
> >      >      > ParaView mailing list
> >      >      > ParaView at paraview.org <mailto:ParaView at paraview.org>
> >     <mailto:ParaView at paraview.org <mailto:ParaView at paraview.org>>
> >      >      > http://www.paraview.org/mailman/listinfo/paraview
> >      >
> >      >
> >
> >
> >
> > ------------------------------------------------------------------------
> >
> > _______________________________________________
> > ParaView mailing list
> > ParaView at paraview.org
> > http://www.paraview.org/mailman/listinfo/paraview
>
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