[vtkusers] [VtkEdge] trying vtkKWEStructuredGridLIC2D

[Fabio Meneghini]

ok, thanks.
So, in the end, the input for the vtkKWEStructuredGridLIC2D must be a
vtkStructuredGrid object... I hope this will soon be fixed on the
related manual page.
I will look at it, thank you very much again.
Fabio

2009/2/17 Rocco Gasteiger <post at rocco-gasteiger.de>:
> Hi Fabio,
>
> I've tried vtkKWEStructuredGridLIC2D class by my own and find no bug. Errors
> occur only as I give wrong input to this class. I attached my example to
> this mail, so you can follow the right connections. The code is not
> commented and some lines are not necessary but the rest is quite simple to
> understand. You can ignore the code snippets for reading a structured grid.
> I generate an example structured grid and add a computed vector field to it.
>
>
> By the way...the output of vtkKWEStructuredGridLIC2D is a structured grid.
>
> Hope this is helpful for you.
>
> Best regards, Rocco
>
>  It's a little bit tricky to find the correct input an
> -----Original Message-----
> From: vtkedge-bounces at vtkedge.org [mailto:vtkedge-bounces at vtkedge.org] On
> Behalf Of Fabio Meneghini
> Sent: Tuesday, February 17, 2009 12:39 PM
> To: vtkedge at vtkedge.org
> Subject: Re: [VtkEdge] trying vtkKWEStructuredGridLIC2D
>
> HI,
> It becomes to seem there's a bug in the vtkKWEStructuredGridLIC2D class.
> In the manual it is written that "The input on port 0 is an
> vtkImageData with extents of a 2D image."
> But on runtime, I get this error:
> "Input for connection index 0 on input port index 0 for algorithm
> vtkKWEStructuredGridLIC2D(0x1162290) is of type vtkImageData, but a
> vtkStructuredGrid is required."
> Furthermore, I still can't understand which output type is returned by
> this class, and how to visualize it.
> Thanks for the help
>
> Fabio
>
> 2009/2/17 Fabio Meneghini <fab.meneghini at gmail.com>:
>> Please, correct me if I am wrong, but it seems to me that
>> vtkKWEStructuredGridLIC2D gives a vtkStructuredGrid as outputs??
>> If this is the case, how am I supposed to render it?
>> thanks
>>
>> Fabio
>>
>>
>> ---------- Forwarded message ----------
>> From: Fabio Meneghini <fab.meneghini at gmail.com>
>> Date: 2009/2/17
>> Subject: trying vtkKWEStructuredGridLIC2D
>> To: vtkedge at vtkedge.org
>>
>>
>> Hi, I'm trying to work with the vtkKWEStructuredGridLIC2D class, but I
>> got no results. I feel like I screw up something about the
>> vtkImageViewer2....Actually I don't know if the following code is
>> "conceptually" valid:
>>
>> Note that piano->GetOutput()  is a vtkImageData (since "piano" is an
>> instance of the vtkImageReslice class...)
>>
>> vtkKWEStructuredGridLIC2D *lic = vtkKWEStructuredGridLIC2D::New();
>>       lic->SetInput(piano->GetOutput());
>>       lic->SetSteps(40));
>>       lic->SetStepSize(0.4));
>>       lic->SetMagnification(1));
>>
>> vtkImageViewer2 *viewer = vtkImageViewer2::New();
>>       viewer->SetInputConnection(lic->GetOutputPort());
>>
>> vtkRenderWindowInteractor *rwi = vtkRenderWindowInteractor::New();
>>       viewer->SetupInteractor(rwi);
>>       viewer->Render();
>>
>> The program execution gives me no errors at all, but no Render window
>> is neither opened...
>> Is there something wrong?
>> Any hint will be very appreciated, thanks
>>
>> Fabio
>>
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