[Paraview] New view

[Paul Edwards]

I've started by trying to create a new representation.  I thought I would be
able to inherit from vtkPainterPolyDataMapper and just implement my own
SetInput method but it never gets called.  My new representation is being
initialised and if I implement RenderPiece it gets used.  The problem with
doing the transform in RenderPiece is that it changes the bounds have
changed and so the view is not right.  Am I doing the right thing here or
should I just inherit from vtkMapper and implement everything?

Thanks,
Paul


2009/9/8 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>

> You will have to create a new representation as well that places the
> transform filter in the representation pipeline. Alternatively, you
> can create a new representation strategy. The representations always
> ask the view for a strategy. A strategy is a pipeline used to deliver
> the data to the rendering nodes. However you can very easily create
> new sub-strategies for the ones returned by the standard render-view
> hierarchy and simply insert the transform filter at the start of the
> strategy pipeline.
>
> Ofcourse, though I use words like "simple", it's not that trivial :).
> Creating new render-view based views/representations that work in all
> configurations (client-server etc.) can be a daunting task. Look at
> how 2Drenderview or comparative renderviews are created. They may
> serve as a good reference.
>
> Utkarsh
>
> On Tue, Sep 8, 2009 at 11:24 AM, Paul Edwards<paul.m.edwards at gmail.com>
> wrote:
> > Hi,
> >
> > I'm trying to create a new view in ParaView and I would like to transform
> > the data before it is drawn (e.g. from cartesian to cylindrical
> > co-ordinates) and also apply a filter to handle cells that cross the 2PI
> and
> > 0 boundary.  My first attempt has been to subclass pqRenderView but I
> don't
> > know where I can put the transform and filter code that will be executed
> for
> > everything that is displayed.
> >
> > Any help would be appreciated.
> > Thanks,
> > Paul
> >
> >
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