[vtkusers] Error reading cell type

[mirko heuegger]

Hello!

Please read the mentioned documentation (<
http://www.vtk.org/VTK/img/file-formats.pdf>) , especially page 4: Dataset
Format for Unstructured Grid:
' The CELLS keyword requires two parameters: the number of cells n and the
size of the cell list size.'

hth

mirko



On Mon, Apr 29, 2013 at 9:36 PM, Hayden Smith <s_hayden_28 at yahoo.com> wrote:

> Hi,
>    It works perfect, but why do I need to double the number of cells?
> Please clarify it.
>
> Thanks,
> Hayden.
>
>   *From:* mirko heuegger <mheuegger at gmail.com>
> *To:* Hayden Smith <s_hayden_28 at yahoo.com>
> *Cc:* Bill Lorensen <bill.lorensen at gmail.com>; "vtkusers at vtk.org" <
> vtkusers at vtk.org>
> *Sent:* Monday, April 29, 2013 10:22 AM
>
> *Subject:* Re: [vtkusers] Error reading cell type
>
>  Hello!
>
> When I use:
>
> CELLS 10 20
>  1 1
> 1 2
> 1 3
> 1 4
> 1 5
> 1 6
> 1 7
> 1 8
> 1 9
> 1 10
>
> and
>
> CELL_TYPES 10
> 1
> 1
> 1
> 1
> 1
> 1
> 1
> 1
> 1
> 1
>
>
> Then I'm able to load this file in Paraview.
> (see <http://www.vtk.org/VTK/img/file-formats.pdf> for more details)
>
>
>
> hth
>
> mirko
>
>
>
> On Mon, Apr 29, 2013 at 4:27 PM, Hayden Smith <s_hayden_28 at yahoo.com>wrote:
>
>  Hello,
>       Does it mean I should write as follows:
>
> CELL_TYPES 10
> 0
> 0
> 0
> :
> :
> :
> etc.
>
> oe
> CELLS 10
> 1 0
> 1 1
> 1 2
> :
> :
> etc.
>
> This also does not work.
>
> Please explain a bit more.
> Regards,
> Shamima.
>
>   *From:* Bill Lorensen <bill.lorensen at gmail.com>
> *To:* Hayden Smith <s_hayden_28 at yahoo.com>
> *Cc:* "vtkusers at vtk.org" <vtkusers at vtk.org>
> *Sent:* Monday, April 29, 2013 9:11 AM
> *Subject:* Re: [vtkusers] Error reading cell type
>
>   VTK data are 0 offset. looks like you are treating them as 1 offset.
>
>
>
>  On Sun, Apr 28, 2013 at 11:43 PM, Hayden Smith <s_hayden_28 at yahoo.com>wrote:
>
>   Dear Vtk users,
>  I can read the following vtk file, it shows some ouput, but also shows
> error: error reading cell types, if I put CELL_TYPES as 1 (VTK_VERTEX), it
> shows same error:
>  /*****************************/
> # vtk DataFile Version 1.0
>  2D scalar data
>  ASCII
>  DATASET UNSTRUCTURED_GRID
>  POINTS 10 float
>  5 7 10
>  5 7 13
>  5 8 11.25
>  5 8.25 11
>  5 8 10
>  5 7 11.25
>  5 7.5 13
>  5 8 12.5
>  5 7 10.3125
>  5 7 10.625
>  CELLS 10 10
>  1 1
>  1 2
>  1 3
>  1 4
>  1 5
>  1 6
>  1 7
>  1 8
>  1 9
>  1 10
>  CELL_TYPES 10
>  POINT_DATA 10
>  VECTORS displacement float
>  5.317256 0.038328 0.009241
>  1.270657 0.036974 -0.467480
>  0.347197 0.061410 -1.310931
>  0.704583 0.061886 -1.197829
>  1.022699 0.056816 -0.897948
>  1.304252 0.057359 -0.483078
>  1.354688 0.053458 0.015998
>  0.838027 0.005652 0.324289
>  0.951906 -0.113057 0.007819
>  1.653968 -0.127456 0.014767
>  SCALARS temperature float
>  LOOKUP_TABLE default
>  0.1
>  0.2
>  0.3
>  0.4
>  0.5
>  0.6
>  0.7
>  0.8
>  0.90702939
>  0.90702939
> /*****************************/
>
> Please help me fix the error.Thanks,
> Hayden.
>
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