[Paraview] Paraview can't read Tecplot X,Y(X) files

[Richard GRENON]

Hello.

If you are using I=20, J=2 and K=1, you should have 20x2x1=40 points in 
your mesh (it is a surface), so you should have 40 lines after the ZONE 
line. Paraview finds only 20 lines and assumes zero for the 20 missing 
values. So you have to repeat your 20 data lines at the end of your file.

Also, you should not have all X,Y,Z variables to zero because Paraview 
cannot display the mesh. For instance, you may define a surface grid 
assuming X=Distance for all your data. Then you should have Y=0 for the 
first 20 data lines, and Y=non zero constant for the next 20 data lines 
while keeping same X, Distance and Temperature values as in the first 20 
lines. The variable Z may be kept to zero for all lines. Thus, your mesh 
will look like a rectangle.

Le 18/07/2013 16:18, M. a écrit :
> Hello Richard,
>
> Thanks for your answer. Indeed, if I modify the file to
>
> TITLE = "Example: Simple XY Plot"
> VARIABLES = "X", "Y", "Z",  "Distance", "Temperature"
> ZONE T="Only Zone", I=20, J=2, K=1, F=POINT
> 0.0   0.0   0.0   0.0       850.9
> 0.0   0.0   0.0   0.022     790.1
> 0.0   0.0   0.0   0.051     554.0
> 0.0   0.0   0.0   0.069     540.0
> 0.0   0.0   0.0   0.075     545.5
> 0.0   0.0   0.0   0.083     549.4
> 0.0   0.0   0.0   0.106     590.2
> 0.0   0.0   0.0   0.1234    535.1
> 0.0   0.0   0.0   0.15      601.0
> 0.0   0.0   0.0   0.201     664.5
> 0.0   0.0   0.0   0.25      635.9
> 0.0   0.0   0.0   0.35      599.9
> 0.0   0.0   0.0   0.4454    600.0
> 0.0   0.0   0.0   0.49      513.0
> 0.0   0.0   0.0   0.5656    442.0
> 0.0   0.0   0.0   0.6423    333.5
> 0.0   0.0   0.0   0.6604    300.4
> 0.0   0.0   0.0   0.7       245.7
> 0.0   0.0   0.0   0.89      221.4
> 0.0   0.0   0.0   1.3       200.0
>
> Paraview can read the file. But this poses a new problem: if I use 
> J=1, K=1, Paraview cannot read it again, but if I use J=2, K=1 or vice 
> versa Paraview can read it, but it shows the 20 values plus 20 zeros 
> after it. Is there a way to go around this?
>
> Cheers
>
>
> 2013/7/18 Richard GRENON <richard.grenon at onera.fr 
> <mailto:richard.grenon at onera.fr>>
>
>>     Hi all,
>>
>>     I'm still struggling with Paraview to read files in Tecplot format. I'm
>>     using some examples from this site:
>>
>>     http://people.sc.fsu.edu/~jburkardt/data/tec/tec.html  <http://people.sc.fsu.edu/%7Ejburkardt/data/tec/tec.html>
>>
>>     The 3D examples are read correctly in Paraview, but the examples
>>
>>     http://people.sc.fsu.edu/~jburkardt/data/tec/simpxy.dat  <http://people.sc.fsu.edu/%7Ejburkardt/data/tec/simpxy.dat>
>>
>>     and
>>
>>     http://people.sc.fsu.edu/~jburkardt/data/tec/simpxy2.dat  <http://people.sc.fsu.edu/%7Ejburkardt/data/tec/simpxy2.dat>
>>
>>     are read but can't be plotted. All the statistics are N/A (Type, Number of
>>     Cells, Number of Points), no bounds are recognized, and the Spreadsheet
>>     view is empty. Is this a bug?
>     Hello.
>
>     Paraview is a 3D software that is always expecting a mesh (surface
>     or volume) with the three X, Y, Z variables for points
>     coordinates. Your simpxy.dat file has only two data variables
>     (Distance and Temperature), that is why it cannot build points and
>     cells and shows N/A (Not available). Try to add coordinates of a
>     grid to your file, and you should be able to plot Temperature
>     against Distance.
>
>     -- 
>       Richard GRENON
>       ONERA
>       Departement d'Aerodynamique Appliquee - DAAP/ACI
>       8 rue des Vertugadins
>       92190 MEUDON - FRANCE
>       phone : +33 1 46 73 42 17
>       fax   : +33 1 46 73 41 46
>       mailto:Richard.Grenon at onera.fr
>       http://www.onera.fr
>
>


-- 
  Richard GRENON
  ONERA
  Departement d'Aerodynamique Appliquee - DAAP/ACI
  8 rue des Vertugadins
  92190 MEUDON - FRANCE
  phone : +33 1 46 73 42 17
  fax   : +33 1 46 73 41 46
  mailto:Richard.Grenon at onera.fr
  http://www.onera.fr

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