By "current development version" are you referring to the master branch?

Sohail

--- On Wed, 7/13/11, Andy Bauer <andy.ba...@kitware.com> wrote:

From: Andy Bauer <andy.ba...@kitware.com>
Subject: Re: [Paraview] Interesting bug when using windbladereader and multiple 
time steps
To: "Sohail Shafii" <sohailsha...@yahoo.com>
Cc: "Patricia KFasel" <p...@lanl.gov>, paraview@paraview.org
Date: Wednesday, July 13, 2011, 8:41 AM

I'm not sure why this isn't working for you.  I just tried it on my machine 
with 2 processes and was able to use the gradient of unstructured grid filter 
on the field grid.  Can you try it out with the current development version of 
paraview to see if you can reproduce it there?


Andy

On Mon, Jul 11, 2011 at 9:38 PM, Sohail Shafii <sohailsha...@yahoo.com> wrote:

Hi,

There is actually another bug (which may or may not be related) which did not 
happen before with ParaView 3.8.0 but appears with the release branch of the 
ParaView that I am using.  If I load a wind data set after connecting to 
2-process localhost (mpirun -np 2 pvserver), the gradient of unstructured grid 
appears greyed out in the filters menu so I can't use that (which is necessary 
for me).


If I run "mpirun -np 1 pvserver," this is not an issue. It's only an issue with 
2 processes or above.  This doesn't happen if I load in a *foam file (i.e. 
openFOAM file); only with .wind and the most up-to-date release version of 
ParaView as opposed to 3.8.0.


Sohail

--- On Fri, 7/8/11, Andy Bauer <andy.ba...@kitware.com> wrote:


From: Andy Bauer <andy.ba...@kitware.com>
Subject: Re: [Paraview] Interesting bug when using windbladereader and multiple 
time steps

To: "Sohail Shafii" <sohailsha...@yahoo.com>
Cc: "Patricia KFasel" <p...@lanl.gov>, paraview@paraview.org

Date: Friday, July 8, 2011, 10:22 AM

3 or 4 time steps should be fine.

Thanks,
Andy

On Fri, Jul 8, 2011 at 1:18 PM, Sohail Shafii <sohailsha...@yahoo.com> wrote:


Thank you for looking into this. I only modified the windbladereader to handle 
a slight format change, so my knowledge here is a bit limited (in regards to 
its original design) but I'll help out when necessary.  From what I see there 
are two outputs (one field, one blade).  I guess the nice thing about having a 
separate output for the blade is that I can render it separately from the 
field. 



I can send you a data set with more timesteps (similar to what you are using 
now, actually), problem is my DSL connection has a poor upload.  Would three or 
four timesteps do?

Sohail

--- On Fri, 7/8/11, Andy Bauer <andy.ba...@kitware.com> wrote:



From: Andy Bauer <andy.ba...@kitware.com>


Subject: Re:
 [Paraview] Interesting bug when using windbladereader and multiple time steps
To: "Sohail Shafii" <sohailsha...@yahoo.com>, "Fasel, Patricia K" 
<p...@lanl.gov>


Cc: paraview@paraview.org
Date: Friday, July 8, 2011, 9:59 AM

Ok, I'm able to replicate the bug.  The test file I have 
(http://vtk.org/gitweb?p=VTKLargeData.git;a=tree;f=Data/WindBladeReader;h=3459e8ded59eb05796e922d90200bd4e83231df0;hb=HEAD)
 only has 2 time steps so I may need another set of files from you with more 
time steps.





Playing around with the reader in ParaView, I think it may be worse than you 
realize.  Only the time information for the field is getting updated properly 
and if you go back in time steps, the blade time step either still increases or 
stays the same if it has hit the last time step.  I need to talk to our 
temporal pipeline expert to figure out the proper behavior.  One question 
though -- is there a reason that the reader doesn't return a multiblock with 
the 3 grids in it instead of having 3 separate output ports?  I'm thinking that 
if the output was changed to a multiblock then these time issues would go 
away.  




Andy

On Thu, Jul 7, 2011 at 10:28 PM, Sohail Shafii <sohailsha...@yahoo.com> wrote:





I believe that data set went you (related to the updates I made for the wind 
blade reader)...the one with ten timesteps, should do the trick.  Do you still 
have it?





Sohail

--- On Thu, 7/7/11, Andy Bauer <andy.ba...@kitware.com> wrote:






From: Andy Bauer <andy.ba...@kitware.com>
Subject: Re: [Paraview] Interesting bug when using windbladereader and multiple 
time steps


To: "Sohail Shafii" <sohailsha...@yahoo.com>



Cc: paraview@paraview.org
Date: Thursday, July 7, 2011, 7:09 PM

I'll take a look at it.  I may need a time dependent data set if I can't figure 
it out though.






Andy

On Thu, Jul 7, 2011 at 9:13
 PM, Sohail Shafii <sohailsha...@yahoo.com> wrote:

Hi,





I've noticed a bug when using the windbladereader; the portion of the code that 
reads the blade file is one timestep behind the code that reads the field.  For 
instance, if one is at timestep i, the field data will correspond with timestep 
"i" but the blade data will correspond with the last timestep chosen.  When a 
data set is opened initially both the blade and field items are set to the 
initial timestep.  After one starts changing the timestep, the bug makes an 
appearance. 







In the code, the blade and field specify their timesteps (individually) based 
on the bladeInfo and fieldInfo objects, respectively.  These info objects are 
related to the outputVector of requestInformation -- I wonder if this is some 
kind of pipeline issue?







Thanks,
Sohail

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