[Paraview] Multiblock dataset, ghost nodes and problem with rendering contours with opacity

[Mohamad M. Nasr-Azadani]

Hi Michael,

I guess *.pvtr file solved my problem. However, I have noticed combining all
my *.vtr files via the *.pvrt file, then plotting a contours, it is slower
than just loading it via *.pvd file.
Thanks for the tip though.

What is a .pvd file?
To my knowledge, it is a very useful and powerful file format of paraview
that you can combine several files (as parts) and timesteps, etc into this
file.
This is an example of a *.pvd file that I have that combines multiblock
*.vtr files for several timesteps. It is very handy and simple as I have
learned.
The only problem that I have with this as I mentioned is the ghost nodes
which seem to appear as an extra line when I plot some contours of my
dataset.


<?xml version="1.0"?>
<VTKFile type="Collection" version="0.1" byte_order="LittleEndian"
compressor="vtkZLibDataCompressor">
   <Collection>
     <DataSet timestep="1" group="" part="0" file="Conc_P0_1.vtr"/>
     <DataSet timestep="1" group="" part="1" file="Conc_P1_1.vtr"/>
     <DataSet timestep="2" group="" part="0" file="Conc_P0_2.vtr"/>
     <DataSet timestep="2" group="" part="1" file="Conc_P1_2.vtr"/>
     <DataSet timestep="3" group="" part="0" file="Conc_P0_3.vtr"/>
     <DataSet timestep="3" group="" part="1" file="Conc_P1_3.vtr"/>
 </Collection>
 </VTKFile>


On Mon, Feb 7, 2011 at 4:58 AM, Michael Scheerer <M_Scheerer at web.de> wrote:

> Hi!
>
> >I am using several *.vtr files (as subblocks of the entire domain) and
> then use pvd file to load them in paraview.
>
> Why don't you use a .pvtr file? In this case, it would work.
>
> What is a .pvd file?
>
> Michael
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