[Paraview] Viewing 2D glyphs

[joseph insley]

Hi, Raquel,

It is tough to know exactly what is going on without knowing all of the details of the data and the filter settings used, but there are two potential things that initially come to mind. 

One is the Mask Points checkbox for the glyph filter.  If this is on and your data set is large it could be that you are only showing a subset of the glyphs, which all happen to be close to the minimum Y value.

The other is the Scale Mode for the glyphs.  Based on the size of the glyphs and the colors in the MetaImage Magnitude color scale I would have to guess that you are scaling the glyphs by some other value and not the MetaImage Magnitude (otherwise the blue arrows would be the smallest and the red would be the largest, which is not the case in your image).  Try setting the Scale Mode to off.

Hope that's helpful,
joe

On May 17, 2013, at 8:06 AM, Raquel Alves wrote:

> Hi.
> 
> I'm using Paraview 3.14, or even, 3.98 to visualize the deformation field and respective glyphs of an .vtk or .mha images. 
> After open them, I 'Apply' to visualize the MetaImage, which has float as Data Type and [-21.5289, 21.3233], [-22.1109, 21.6821], [0, 0] as Data Ranges. Then, I use the Calculator with MetaImage_X*iHat+MetaImage_Y*jHat, resulting an image with double as data type and [-21.5289, 21.3233], [-22.1109, 21.6821], [0, 0] as data ranges. Finally, I apply the Glyph filter with the following properties:
> 
> Vectors = results
> Glyph Type = 2D Glyph
> 
>      Glyph Type = Arrow
> 
> And the other properties used are the default ones.
> 
> As final result, I can see an image (attached in the email) with the glyphs approximatelly along the original X axis, but the Y axis was resized, and the glyphs shown are restricted, and not approximatelly along the original Y axis. Why is that occuring?
> 
> Thanks for your help!
> 
> Raquel Alves
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