[Paraview] Getting data into Paraview to build 3D volume

[Dominik Szczerba]

How about writing an netCDF importer? I am not even sure if I haven't 
seen one reported on the list.
-- Dominik

Lester Anderson wrote:
>   Hello
>  
> I know this is a very broad-based query but would like to get some 
> pointers. I normally work with GMT (netCDF) files but these at present 
> (at least in GMT) can only store one variable, e.g. lat, long, elevation 
> or x,y,gravity etc. The latest netCDF convention does support 
> multi-scalar properties, and mult-levels via the COARDS convention, this 
> however is not an export option in the latest GMT (4.3.1).
>  
> My question is really one of how can I import data into Paraview to 
> generate a volume of data, as opposed to just a series of layers? As I 
> see it, I need to get the data into a format like XYZ (for position in 
> the volume) and then one or more variables to describe the scalar 
> function at the given position.
>  
> Presently, I could export ascii XYZ data from GMT to generate say 
> x,y,gravity at level 0, and then x,y,gravity at level 1 etc...but it 
> does seem that Paraview expects the data in a more structured and 
> defined format, with which to generate a volume.
>  
> There is a "roundabout" way to get netCDF files into Paraview via VisIt 
> 1.9.0, and export as VTK, but this will only export things as simple 
> layers (XYZ), and not build a volume from a series of layers.
>  
> I think it would be useful to at least have a in-depth tutorial guide 
> explaining how to get tabulated ascii data into Paraview and the 
> construction of data volumes from 2D information.
>  
> If there are alternative methods of getting data into Paraview then I'd 
> be interested to know.
>  
> Thanks
>  
> Lester
> 
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-- 
Dominik Szczerba, Ph.D.
Foundation for Research
on Information Technologies in Society
http://www.itis.ethz.ch