[Paraview] How to visualize multipart/multiblock models

[Utkarsh Ayachit]

Jacques,

>> -> flip between the views by just typing a number on the keyboard
This should be easy. You need to create a QShortcut that captures come
key combination, say Ctrl+Num and then simply changes the active view.
Ofcourse the ordering of views is not necessarily obvious but
shouldn't be too hard to come up with a convention. Look at
Qt/Components/pqActiveView. It's a singleton. Simply call setCurrent()
on it to change the active view. Look at pqApplicationCore::loadState
to see how to get the list of current views.

The other cases dealing with blocks and views are a bit tricky. Let me
get back to you.

Utkarsh

On Thu, Jan 8, 2009 at 6:51 AM, Jacques Papper <jacques.papper at gmail.com> wrote:
> 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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