Hi Utkarsh, If we want to push the demand-driven logic to the end, choosing the arrays to load could be implicit on the readers : they will depend on the arrays needed down the pipeline. The obvious drawback of this approach is that having several arrays availbale for the representation to color by is very handy, instead of re-executing the whole pipeline each time you change the array to color by, but this demand-driven logic could help when memory is limited.
Best, Stephane 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 Un geste simple pour l'environnement, n'imprimez ce message que si vous en avez l'utilité. utkarsh.ayac...@kitware.com Envoyé par : paraview-boun...@paraview.org 07/06/2011 19:44 A samuel...@bresnan.net cc paraview@paraview.org Objet Re: [Paraview] Concept: A world without the Apply button Sam, Please note that this proposal does not preclude the user from choosing which array to load from the reader's properties panel. That indeed will be supported. This proposal in fact allows you go back the reader change it's array selection, and then go the properties panel for a contour filter connected downstream (for example) and choose the array to contour by as the newly selected array without having to execute any of the reader/intermediate filters until you have setup the full pipeline. After which, you hit "Execute". That's when the reader will actually read the data. Currently, before you can choose the array to contour with, you have to hit "Apply" so that the reader will produce the newly selected array. Then alone will it be reflected on the contour panel. Also, changing parameters on filters will have no immediate effect per say. The new proposal is not simply "auto-apply". You have to hit "Execute" before the filters will be executed, so you can tweak parameters to your hearts contents before triggering any execution (similar to the Apply mechanism). Utkarsh On Tue, Jun 7, 2011 at 1:31 PM, Samuel Key <samuel...@bresnan.net> wrote: > All-- > > Technical reasons aside, my own simulation efforts (software that relies on > ParaView for post-processing) span a great variety of solid and structural > mechanics applications. The software is not a single-formulation, > single-solution, one-off problem solver. > > Put briefly, I find the "Apply" button exceptionally useful. > > The EnSight-formatted results files produced contain a surfeit (excess) of > simulation results for any one application. I use the "Apply" button on > loading results files for several purposes: > > 1) Load only results that are most useful to the current problem or > application. > > 2) Limit the results I examine to those relevant to the phase st hand: > i) Phase 1. Are the results OK (BC's OK? Energy Balance OK? Loading OK?) > ii) Phase 2. Which result describes the response most effectively? > iii) Phase 3. Presentation animations and figures for communicating. > > 3) Frequent tuning of various filters to refine the display of the results > being studied. > > 4) Last but not least, limit the results being examined at any one session > to avoid the MS O/S crashing PV because of the MS O/S limits on resources > usable. > > Thanks for the opportunity to express my support for ParaView and its > exceptional versatility and effectiveness as a post-processing tool. > > Sam Key > > On 6/7/2011 8:56 AM, Moreland, Kenneth wrote: >> >> One thing that strikes me about this proposal, is that it relies a lot on >> VTK readers/filters providing the necessary meta data, particularly about >> fields. For example, the elevation filter would have to report in its >> meta data that it will be adding a scalar field named Elevation. That >> sounds easy enough to implement, but would have to be independently added >> for all readers/filters. This would be especially problematic for >> user-provided plugins. >> >> Is there a way to mitigate the issues with the meta data mismatching what >> is actually generated? Perhaps there could be a check to make sure that >> the data generated matches the meta data previously reported and issue a >> warning if there are any mismatches. This would not solve the problem per >> se, but would quickly alert developers to problems and make it easier to >> debug. >> >> -Ken >> >> **** Kenneth Moreland >> *** Sandia National Laboratories >> *********** >> *** *** *** email: kmo...@sandia.gov >> ** *** ** phone: (505) 844-8919 >> *** web: http://www.cs.unm.edu/~kmorel >> >> >> >> >> On 6/1/11 1:30 PM, "Utkarsh Ayachit"<utkarsh.ayac...@kitware.com> wrote: >> >>> Folks, >>> >>> I have been investigating the ability to create pipelines in ParaView >>> without having to hit Apply at every single stage in the pipeline. >>> This would make it much easier to deal with really large data in a >>> usage scenario where the scientist is fairly familiar with the >>> visualization pipeline he's interested in setting up. >>> >>> Following the recent changes to the ParaView ServerManager, the >>> ServerManager level requirement that filters need to be updated before >>> connecting has disappeared. However, we still need to "Apply" to get >>> updated information about arrays etc. >>> >>> After a couple on discussions with Berk and Dave, I've consolidated >>> the thoughts on a Wiki page. If any one has any thoughts to share, it >>> would be great. >>> >>> >>> http://www.paraview.org/ParaView3/index.php/No-Apply_Mechanism_for_Creatin >>> g_Pipelines >>> >>> Note that this is merely a concept. We have no plans of implementing >>> it in near future (3.12/4.0). >>> >>> Utkarsh >>> _______________________________________________ >>> Powered by www.kitware.com >>> >>> Visit other Kitware open-source projects at >>> http://www.kitware.com/opensource/opensource.html >>> >>> Please keep messages on-topic and check the ParaView Wiki at: >>> http://paraview.org/Wiki/ParaView >>> >>> Follow this link to subscribe/unsubscribe: >>> http://www.paraview.org/mailman/listinfo/paraview >>> >> >> _______________________________________________ >> Powered by www.kitware.com >> >> Visit other Kitware open-source projects at >> http://www.kitware.com/opensource/opensource.html >> >> Please keep messages on-topic and check the ParaView Wiki at: >> http://paraview.org/Wiki/ParaView >> >> Follow this link to subscribe/unsubscribe: >> http://www.paraview.org/mailman/listinfo/paraview >> > _______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview 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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_______________________________________________ Powered by www.kitware.com Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView Follow this link to subscribe/unsubscribe: http://www.paraview.org/mailman/listinfo/paraview