[vtkusers] How to realize shear-warp volume rendering in VTK?

[John Biddiscombe]

Sent from wrong account, trying again...

> I think the question was regarding the Shear-Warp volume rendering 
> algorithm.
>
> There is Shear warp code in vtk, but currently, it's not working 
> correctly. I committed this code about a year ago, after Stefan 
> Bruckner and another chap (will locate name on request) donated it. 
> Unfortunately, the implementation was unstable and giving some dodgy 
> results (aside from not compiling either). I did a little work on this 
> to try to integrate it with nicely with vtk cvs head at the time, but 
> it was taking too much time and I had to stop work on it.
>
> http://public.kitware.com/cgi-bin/viewcvs.cgi/Rendering/vtkVolumeShearWarpMapper.h?rev=1.6&view=log
> several other cxx and header files are also relevent, browse cvs to 
> find them and look at the source
>
> has the header file details. The code is al in vtk/rendering, all you 
> need to do is edit the cmakelists files to include it in the 
> compilation, then tweak the rendering object factory to return the 
> mapper when you ask for it.
>
> If you make any progress, please let me know and I'll try (one day) to 
> get the code up and running.
>
> JB
>
>
> Tore Aurstad wrote:
>
>>the shear transform can be based upon translation along one or two
>>axes.
>>
>>
>>
>>
>>               This message was written by:
>>
>>               Tore Aurstad
>>               5 th Year Computer Engineering Student at the
>>               Norwegian Technical-Natural sciences University
>>               NTNU
>>               Trondheim, Norway
>>               ********************************************
>>
>>
>>               End of message.
>>
>>On Fri, 18 Feb 2005, [gb2312] sakiel wrote:
>>
>>  
>>
>>>hi, all users,
>>>How to realize the shear-warp algorithm in VTK?I know there seems to be an open-source version in the site,but i can't find it.Did anyone use it?how about its performance?Is it a final version?I will appreciate very much if anyone can tell me how to find it.
>>>Thank in advance.
>>>TANG Yu
>>>
>>>
>>>
>>>
>>>
>>>==========================
>>>263µç×ÓÓʼþ£­ÐÅÀµÓÊ×Ôרҵ
>>>
>>>    
>>>
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>
>
>
>-- 
>John Biddiscombe,                            email:biddisco @ cscs.ch
>http://www.cscs.ch/about/BJohn.php
>CSCS, Swiss National Supercomputing Centre  | Tel:  +41 (91) 610.82.07
>Via Cantonale, 6928 Manno, Switzerland      | Fax:  +41 (91) 610.82.82
>

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