[Paraview] How to visualize multipart/multiblock models

[Jacques Papper]

Either way. I haven't thought of creating a custom application over ParaView
for the moment. I think I would like most developments to be in ParaView as
a standard. Why?Jacques

2009/1/7 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>

> Jacques,
>
> Is this functionality for a custom application developed over ParaView
> or for a plugin extending standard ParaView?
>
> Utkarsh
>
> On Fri, Dec 19, 2008 at 5:00 AM, Jacques Papper <jpapper at ara.co.uk> wrote:
> > Hi All,
> >
> > I have been thinking of a potential improvement for visualization of
> > multipart models in ParaView.
> > I would really like to develop the following functionality :
> >
> > Have support for multiple views where you can :
> > -> Select one or several blocks and move them to another view (maybe with
> a
> > keyboard shortcut like alt+numberofView)
> > -> flip between the views by just typing a number on the keyboard
> > -> Have a system where blocks can only be present in one view at a time
> >
> > Would the structure of ParaView enable me to do this ? If so - where
> would I
> > start ? I know that the pipeline and the extract selections offer
> somewhat a
> > similar capability, but there are still a few things missing ?
> >
> > Jacques
> >
> > -----Original Message-----
> > From: paraview-bounces at paraview.org [mailto:
> paraview-bounces at paraview.org]
> > On Behalf Of Berk Geveci
> > Sent: 18 December 2008 14:23
> > To: M. Nawijn
> > Cc: paraview at paraview.org
> > Subject: Re: [Paraview] How to visualize multipart/multiblock models
> >
> > Hi Marco,
> >
> > Which version of ParaView are you using? In 3.4, you can create a vtm
> file
> > that points to the individual vtu files. You can then color the blocks
> > separately using the vtkCompositeIndex array (just color by it). You can
> > control the color of each block by editing the color map.
> > Alternatively, you can add a cell-centered, 3 component, unsigned char
> array
> > (RGB) for each block to the file and then color by that array (make sure
> to
> > turn off the Map Scalar option).
> >
> > As for turning on/off individual block, I am afraid you have to use the
> > Extract Block filter to achieve that. I hope that we will have that
> option
> > in the Display page in the future but it is not currently supported.
> >
> > What I described here should also work with Xdmf.
> >
> > -berk
> >
> > On Wed, Dec 17, 2008 at 11:12 AM, M. Nawijn <nawijn at gmail.com> wrote:
> >> Hello,
> >>
> >> I am trying to find a way to subdivide a structural analysis model in
> >> several parts in such a way that I can post-process the results in
> > Paraview.
> >> The primary objective for me is to be able to hide and show different
> >> parts of the structure. The model itself is not too large (say 50.000
> >> cells). A bonus for me would be that I can assign a different color
> >> (or different properties in general) to each of the parts.
> >>
> >> I have tried a few things with Paraview:
> >>     1. Create a set of individual .VTU files and combine them in a
> >> .PVD file. This works very nice for building result sequences of the
> >> complete model.
> >>     2. Create a set of individual .VTU files and combine them in a
> >> .PVM file. This works in the sense that I can import a complete model
> >> build up from several pieces, but I cannot assign colors to each of
> >> the parts and are unable to hide and show individual parts (tried by
> >> using the "extract datasets" filter).
> >>     3. Create a XDMF XML file with 2 GRID elements in a single domain.
> >> This again allows me to import the model and show hide individual
> >> parts. I can still assign only 1 color to the complete model.
> >>
> >> Is subdivision into multiple showable/hideable parts, including
> >> individual color assignment, possible with either XDMF or VTK XML files?
> >> If so, can someone post a minimal example?
> >>
> >> Kind regards,
> >>
> >> Marco
> >>
> >>
> >>
> >>
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> >>
> >>
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