[vtkusers] SOLVED a slightly different Glyph Filter

Patrick boenzli patrick at orxonox.net
Sat Jan 6 08:00:33 EST 2007


hi all,

I now solved the problem by creating a new filter: My filter bases on 
the vtkGlyph3D filter and visualizes all vector components as glyphs. 
I'm using this to visualize boundary conditions with a special glyph.
If anyone needs such a filter, you can write me an email.

cheers,
Patrick


PS: sorry for my wrong sent date in my previous mail (i think it's 
tomorrow) :D

Patrick boenzli wrote:
>
> Hi John,
> hi all!
>
>
> John Platt wrote:
>> Have you investigated vtkTensorGlyph::ThreeGlyphsOn()?
>
> thanks for your tip! I looked through the vtkTensorGlyph documentation,
> the ThreeGlyphsOn property is what I'm looking for. The only problem is,
> that I got a vector source not a tensor source (this is why
> vtkTensorGlyph doesn't works). So this unfortunately doesn't solve my
> problem. Or did I get this tensor idea wrong?
>
> I would like to use each vector component and use it as a direction for
> a glyph,
> example;
>
> vector (1, 0, 1)
> would have two glyphs:
> 1) along the (1, 0, 0) axis
> 2) along the (0, 0, 1) axis
>
> and not one glyph along the (1,0,1) axis as the vtkGlyph3D would do it.
>
>
> Are there any other possibilities to do such a thing instead of 
> writing a new glyph filter?
>
>
> thanks for your guidance!
> Patrick
>
>> -----Original Message-----
>> From: vtkusers-bounces+jcplatt=dsl.pipex.com at vtk.org
>> [mailto:vtkusers-bounces+jcplatt=dsl.pipex.com at vtk.org] On Behalf Of
>> Patrick boenzli
>> Sent: 05 January 2007 09:40
>> To: vtkusers at vtk.org
>> Subject: [vtkusers] a slightly different Glyph Filter
>>
>>
>> Hallo!
>>
>> I would like to use/make a filter, that works similar to the Glyph
>> (vtkPVGlyphFilter/vtkGlyph3D). The only difference is that it should
>> display a glyph for every coordinate component (for the x, y and z
>> direction/component) of each input point.
>> This makes a sum of 3 glyphs for each point. Since I am a new to
>> VTK/Paraview have you got any hints on how to make such a filter in the
>> simplest way possible?
>>
>> I looked through the vtkPVGlyphFilter/vtkGlyph3D code for myself: would
>> it be a good idea to use vtkGlyph3D and rewrite the code in a way that
>> for each point there are three glyphs drawn and use this "new" filter as
>> a plugin for paraview?
>>
>> there are so many possibilities to do such a thing, I hope one of you
>> more experienced coders can give me some hints about the nicest way to
>> do this.
>>
>> thank you very much,
>> best wishes,
>> patrick
>>
>>
>>
>>
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>>   
>
>
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