[vtk-developers] Question About Terrain Visualization With VTK

[Aashish Chaudhary]

Hi Haiguang,

So actually I have doing some work to support use cases what you have
described but it is not in VTK yet.  Can you tell me more

about your input data format? Is it DEM? Height Map or SRTMs?

Thanks


On Fri, Dec 23, 2011 at 3:40 PM, David Doria <daviddoria at gmail.com> wrote:
> 2011/12/22 Haiguang Bo <bhgcumt at hotmail.com>:
>> Dear VTK Team:
>> Recently I encounter a question about terrain visualization. Because the
>> data of the terrain is stored in a unique Format that VTK don’t have class
>> to read this file. So how can I read my data into VTK? And I want to
>> visualization this terrian with different color determined by there height.
>> Buy the way, I want to use vtk to build a LOD, if there are any possible to
>> make it? Because My terrian data is quite huge, I try to read all of it into
>> VTK, but I think it won’t work well because my PC’s memory’s limites.
>>
>> And I want to know some applications built with VTK which visualize terrian
>> or something else, I have google it with different words, but it always
>> hides from my eyes.
>>
>> I hope for your advise, and best regards for you.
>>
>> Thank you!
>>
>> Sincerely
>>
>
> You'll have to provide more information about your input file before
> we can tell you how to read it. Once you get it into a PolyData, you
> can use:
>
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Meshes/Color_a_mesh_by_height
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Meshes/ElevationFilter
>
> and you mentioned LOD rendering:
>
> http://www.vtk.org/Wiki/VTK/Examples/Cxx/Visualization/LODProp3D
>
> David
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-- 
| Aashish Chaudhary
| R&D Engineer
| Kitware Inc.
| www.kitware.com