Hey Stephane, It comes close to working for me if I do the Custom Filter thing, but not quite -- what problems are you seeing if you try to do this?
When I'm trying to create a Custom Filter out of the sources & filters you specified (no inputs, append filter output and exposing the text entry line edits in the panel) I get an error when I hit Finish: Warning: In /Users/emonson/Programming/ParaView_git/ParaView/Servers/ServerManager/vtkSMProxy.cxx, line 1451 vtkSMCompoundSourceProxy (0x120fe05f0): Proxy AppendDatasets1 already exists. Replacing And then when I try to load this custom filter (really a source) from an exported .cpd file in Python and use it, the 0 and 1 actually show up in the 3D view, but nothing shows up in the Pipeline Browser and I get this error: Representation could not locate the pqPipelineSource object for the input proxy. If I try to use this custom source from the Sources menu, I get these errors: ERROR: In /Users/emonson/Programming/ParaView_git/ParaView/VTK/Filtering/vtkDemandDrivenPipeline.cxx, line 727 vtkCompositeDataPipeline (0x11c4b2270): Input port 0 of algorithm vtkAppendFilter(0x11c4b0fe0) has 0 connections but is not optional. ERROR: In /Users/emonson/Programming/ParaView_git/ParaView/VTK/Filtering/vtkExecutive.cxx, line 756 vtkCompositeDataPipeline (0x11c4b4780): Algorithm vtkTransformFilter(0x11c4b2380) returned failure for request: vtkInformation (0x11c61d360) Debug: Off Modified Time: 74590 Reference Count: 1 Registered Events: (none) Request: REQUEST_DATA_OBJECT ALGORITHM_AFTER_FORWARD: 1 FORWARD_DIRECTION: 0 ERROR: In /Users/emonson/Programming/ParaView_git/ParaView/VTK/Filtering/vtkExecutive.cxx, line 756 vtkCompositeDataPipeline (0x11c4b5cf0): Algorithm vtkTransformFilter(0x11c4b3e10) returned failure for request: vtkInformation (0x11c61e6d0) Debug: Off Modified Time: 74601 Reference Count: 1 Registered Events: (none) Request: REQUEST_DATA_OBJECT ALGORITHM_AFTER_FORWARD: 1 FORWARD_DIRECTION: 0 but the digits show up in the 3D view and after that I can change the text, etc. I get similar behavior if I try to make a Custom Source out of a Cone plus a Sphere and an Append Datasets filter, but no Transform filters (same "Proxy AppendDatasets1 already exists" and "vtkAppendFilter has 0 connections but is not optional" errors as above), so there may just be some sort of bug with trying to use an Append filter in a Custom Source...? I also get the same behavior and same "Representation could not locate the..." error even when trying to display a very simple (a customized cone) custom source from Python (even though this one works fine from the Sources menu). Maybe problems with Custom Sources from Python, too...? Talk to you later, -Eric ------------------------------------------------------ Eric E Monson Duke Visualization Technology Group On Jul 9, 2010, at 10:22 AM, Stephane PLOIX wrote: > > Hi, > > I have made a script that creates a bunch of sources and filters (to use as > legends), and finishes by an append filter to which everything is appended. > Only this last append filter has a representation. > I would like to have only one entry in the pipeline browser for the last > append filter, and completely hide the steps used to create the legend, is it > possible from python? > If I try to encapsulate all this in a custom filter to show only the append > filter as output, it does not work either. > > Thanks, > Stephane > > typical script : > > text0 = a3DText() > text0.Text = "0" > trans0 = Transform() > trans0.Transform = "Transform" > trans0.Transform.Scale = [1, 1, 1] > trans0.Transform.Translate = [0, 0, 0] > > text1 = a3DText() > text1.Text = "1" > trans1 = Transform() > trans1.Transform = "Transform" > trans1.Transform.Scale = [1, 1, 1] > trans1.Transform.Translate = [1, 0, 0] > > append = AppendDatasets( Input=[trans0, trans1] ) > pres = Show(append) > <Mail Attachment.gif> > Stephane PLOIX > Pilote Opérationnel - Visualisation scientifique > EDF - R&D > SINETICS > 1, Av du Général de Gaulle > 92140 Clamart > > stephane.pl...@edf.fr > Tél. : +33 (0) 1 47 65 51 10 > <Mail Attachment.gif> Un geste simple pour l'environnement, > n'imprimez ce message que si vous en avez l'utilité. > > > > Ce message et toutes les pièces jointes (ci-après le 'Message') sont établis > à l'intention exclusive des destinataires et les informations qui y figurent > sont strictement confidentielles. 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