Ok, I see that the Points field represent the points of the Glyph object. For 
instance, if we are using 2D Glyph as the Glyph type, there will be 4 entries 
in the Spreadsheet view with the same GlyphVector field, but different Point 
values. These 4 points represent the points used to draw the arrow (2 for the 
shaft and 2 for the head). There are more points for the regular arrow (it’s a 
3D object).


From: ParaView <paraview-boun...@paraview.org> on behalf of "Salazar De Troya, 
Miguel" <salazardet...@llnl.gov>
Date: Monday, January 8, 2018 at 11:13 AM
To: "paraview@paraview.org" <paraview@paraview.org>
Subject: [Paraview] Glyphs and spreadsheets


I want to extract the output from a Glyph filter into a spreadsheet. I want the 
coordinates of the origin of each glyph and its components so I can plot the 
same vectors using matplotlib.quiver capability. I tried to do this using the 
Spreadsheet view, but I ran into some issues:
- First, even that the Glyph only shows a subset of all points (using the 
Masking option), the spreadsheet view actually contains the entire data set.
- Second, the scaling is not reflected in the components of the field 
GlyphVector in the spreadsheet view, but it is reflected in the field Points, 
in a way that is not easy to reason.

How could I get around these two issues to get to my goal? What is the meaning 
of the field Points in the Glyph filter?



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