[Paraview] vtu file format

[Thierry Dubuis]

Please, could you send the C++ code.

THierry Dubuis

Dominik Szczerba wrote:

>what I do is export legacy binary files from my C++ code and then
>writing a small external vtkConvert* (10 lines of VTK code) utility to
>convert the legacy files into xml. This works 100%.
>--dsz
>
>Thierry Dubuis wrote:
>  
>
>>No, sorry I did't find any information about that.
>>There are information about XML part, binary datas must be encryted with
>>Base64 algorithm and they could be compressed or not,
>>but no information about datas organization.
>>
>>But perhaps must I ask this question to the VTK developpers group ?
>>
>>Thanks again for your help,
>>
>>Thierry Dubuis
>>
>>Dominik Szczerba wrote:
>>
>>    
>>
>>>on vtk.org in tech docs there is a pdf decribing the vtk formats. does
>>>it not provide answers to your questions?
>>>--dsz
>>>
>>>Thierry Dubuis wrote:
>>> 
>>>
>>>      
>>>
>>>>Hello,
>>>>
>>>>I made the test and it's the same thing in Little and Big Endian.
>>>>I made another test, in Little Endian I add the size of the data block
>>>>at the beginnig of this block In the PointData and CellData
>>>>Paraview load my case and the results are Ok.
>>>>
>>>>Is it the same organization in the Coordinates, Connectivity, Offset and
>>>>Types Blocks ?
>>>>
>>>>Bests regards,
>>>>Thierry Dubuis
>>>>
>>>>Dominik Szczerba wrote:
>>>>
>>>>  
>>>>
>>>>        
>>>>
>>>>>I though you said you had used little endian when producing your files.
>>>>>If you get errors the first thing I would try is swapping bytes to big
>>>>>endian arrangement.
>>>>>--dsz
>>>>>
>>>>>Thierry Dubuis wrote:
>>>>>
>>>>>
>>>>>    
>>>>>
>>>>>          
>>>>>
>>>>>>Why ?
>>>>>>
>>>>>>With the big endian I need no size information ?
>>>>>>
>>>>>>Thierry Dubuis
>>>>>>
>>>>>>Dominik Szczerba wrote:
>>>>>>
>>>>>> 
>>>>>>
>>>>>>      
>>>>>>
>>>>>>            
>>>>>>
>>>>>>>VTK uses big endian
>>>>>>>--dsz
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>  
>>>>>>>        
>>>>>>>
>>>>>>>              
>>>>>>>
>>>>>>>>So first I try to write my data on PC in Little Endian and
>>>>>>>>crypted in
>>>>>>>>Base64.
>>>>>>>>When I try to load it in Paraview 2.5 I have an error, I debug and
>>>>>>>>find
>>>>>>>>Paraview reads 4 characters which is the size of the following
>>>>>>>>binary
>>>>>>>>block ???
>>>>>>>>
>>>>>>>>Have a doc which more precision about this file format than the vtk
>>>>>>>>file
>>>>>>>>formats for VTK Version 4.2 (where I don't find the information
>>>>>>>>about
>>>>>>>>this block size) ?
>>>>>>>>
>>>>>>>>Thanks for your help.
>>>>>>>>
>>>>>>>>Best regards,
>>>>>>>>Thierry Dubuis
>>>>>>>>_______________________________________________
>>>>>>>>ParaView mailing list
>>>>>>>>ParaView at paraview.org
>>>>>>>>http://www.paraview.org/mailman/listinfo/paraview
>>>>>>>>
>>>>>>>>               
>>>>>>>>                
>>>>>>>>
>>>>>>>           
>>>>>>>              
>>>>>>>
>>>>>
>>>>>    
>>>>>          
>>>>>
>>> 
>>>
>>>      
>>>
>
>  
>