[vtkusers] How can i generate a surface from a set of points?
Tim Hutton
T.Hutton at eastman.ucl.ac.uk
Wed Mar 24 05:29:14 EST 2004
Anyone reconstructing surfaces from points like this should also try
vtkPowerCrustSurfaceReconstruction:
http://www.eastman.ucl.ac.uk/~thutton/powercrust/
because it often works much better than vtkSurfaceReconstructionFilter.
Also it's worth scanning the vtkusers mailing list archive to see if this
question has been asked & answered before:
http://www.kitware.com/search.html
Tim.
At 16:50 23/03/2004 -0500, Mathieu Malaterre wrote:
>Alexander,
>
> Reading the raw file should be pretty easy inside a for loop (if
> you know how many points you have). The most difficult part is that you
> don't have the cell connectivity.
>
> You should have a look at:
>
>Imaging/Testing/Tcl/reconstructSurface.tcl
>
> Please note that this file is almost just like yours:
>
>VTKData/Data/cactus.3337.pts
>
>HTH
>Mathieu
>
>Alexander Trum wrote:
>>Hello
>>I have a ASCII file with XYZ coordinates from a three dimensional scan (a
>>room in a factory was scanned).
>>Here a small example from such a file:
>>123.232 234.1234 1234.1234
>>46.456 46.34 68.68
>>35.345 345.345 35.89
>>What i want to do is to read in these coordinates and generate a
>>polygonal surface from these points.
>>Is these possible with VTK and if: How can I do it?
>>
>>Thanks in advance,
>> Alex
>
>
>
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