[Paraview] Re: python scripting inside Paraview

Utkarsh Ayachit utkarsh.ayachit at kitware.com
Wed Jun 13 16:01:19 EDT 2007


Looks like there's some leak or something in the python display creation 
part. We'll take a look at it.

Utkarsh

Fabian Braennstroem wrote:
> Hi Utkarsh,
> 
> I just tried the new 3.0.1 with no succes:
> 
>  ./paraview-3.0.1-Linux-x86/bin/paraview
>                                                         [13 Jun 9:13pm]
> terminate called after throwing an instance of 'std::bad_alloc'
>   what():  St9bad_alloc
> Abort
> 72.305 user, 1.383 system, 2:08.63 real
> 
> Greetings!
> Fabian
> 
> Utkarsh Ayachit schrieb am 06/12/2007 07:21 PM:
>> Are you using 3.0.0 beta?
>>
>> Utkarsh
>>
>> Fabian Braennstroem wrote:
>>> Hi Utkarsh,
>>>
>>> I tried you script, unfortunately it does not seem to work for me as
>>> wanted; I get:
>>>
>>> Display could not locate the pqPipelineSource object  for the input
>>> proxy.
>>> Could not locate the server on which the new source was added.
>>>
>>> Do I do something wrong? I use version 3.0.0.
>>>
>>> Greetings!
>>> Fabian
>>>
>>> Utkarsh Ayachit schrieb am 06/12/2007 02:48 PM:
>>>> 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>> 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>
>>>>>      > http://www.paraview.org/mailman/listinfo/paraview
>>>>>
>>>>>
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