[Paraview-developers] How to name blocks in multi-block data set?

[Joshua Murphy]

Hi Paul,

Great!  That work perfectly!

I have two more questions that maybe you (or someone else) can help me with!


First, I would like to give each variable a meaningful legend name, so, when they are plotted, I can show something better than "OMNI2_HO_MRG1HR…." is there a similar meta-data command for changing a variables Legend name?  I suppose  a place to store the units would be too much to ask?  I would ideally love to store the following information:


 1.  Legend Name
 2.  Units
 3.  Coordinate System

If I could do that, I would be a very happy programmer.

The other thing I need to do is set the default selection to unselected when plotting.  This must be possible, as ParaView created variables default to unselelected.

The reason for this need is two fold.


 1.  when looking at space craft data, you rarely want to plot everything all at once, since everything is on vastly different scales
 2.  If you default to all variables, Paravaiew will hang if you have a great many of them to plot.  For an example, if I have 100 variables with 10,000 time steps, paraview turns to molasses just trying to UNSELECT everything that is selected.

Any help would be great!

Thanks again,

Josh

[cid:94DA22C3-1EE6-4EB7-A265-B0C3A7FB715F]
Joshua J. Murphy
Computer Scientist
Laboratory for Atmospheric and Space Physics
University of Colorado, Boulder

From: Paul Edwards <paul.m.edwards at gmail.com<mailto:paul.m.edwards at gmail.com>>
Date: Tuesday, June 25, 2013 10:57 PM
To: Joshua Murphy <Joshua.Murphy at lasp.colorado.edu<mailto:Joshua.Murphy at lasp.colorado.edu>>
Cc: "paraview-developers at paraview.org<mailto:paraview-developers at paraview.org>" <paraview-developers at paraview.org<mailto:paraview-developers at paraview.org>>
Subject: Re: [Paraview-developers] How to name blocks in multi-block data set?

Hi Joshua,

You can do it like this:

dataset->GetMetaData(0)->Set(vtkCompositeDataSet::NAME(), "new name for block 0");

Regards,
Paul

On 25 June 2013 17:47, Joshua Murphy <Joshua.Murphy at lasp.colorado.edu<mailto:Joshua.Murphy at lasp.colorado.edu>> wrote:
Hello,

I am working on a custom source that pulls data from Nasa's CDA web.  I am downloading data and splitting it into tables (within a multi-block data set) based on space craft data set.  The issue I am running into is that the data block information looks like the image attached:

[cid:8D3BC790-B949-4152-B1B8-CB682AA71A9D]

I have been trying to find a way to name the blocks, but I have, as yet, been unable to figure out how to go about doing so.  It is important to name the data sets, as the user  needs to know which space craft instrument the data is from.

Could someone quickly point me in the correct direction on how to go about naming the individual blocks of the data set?  DataSet0, DataSet1, etc. are of limited help. :)

Thanks,
Josh

[cid:4AED8FDC-2512-4D9A-A40B-424B803E08D7]
Joshua J. Murphy
Computer Scientist
Laboratory for Atmospheric and Space Physics
University of Colorado, Boulder


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