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[General] Vectors / streamtracers : velocity components in different files

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Old   October 27, 2015, 05:03
Default Vectors / streamtracers : velocity components in different files
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Samrat Rao
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Hi,

I am using Paraview 4.2. The datasets i have are in binary VTK format.

I need to draw vector plots and streamlines in 3D. Each velocity component (U,V,W) is in a separate file.

The headers of say U velocity file are as follows:

# vtk DataFile Version 6.0
Non-uniform Rectilinear - Rectilinear Grid
BINARY
DATASET RECTILINEAR_GRID
DIMENSIONS 354 354 506
X_COORDINATES 354 double
<binary data>
Y_COORDINATES 354 double
<binary data>
Z_COORDINATES 506 double
<binary data>
POINT_DATA 63409896
SCALARS U double
LOOKUP_TABLE default
<binary data>

Now i load each U, V, W file and merge them using Append Attributes filter.
Then i use Calculator filter like : U*iHat + V*jHat + W*kHat
Finally i use wither Glyph or Stream Tracer filter.

But i am not seeing the flow as it should be.

Can someone tell me if i am doing things correctly?

Thanks.
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Old   November 2, 2015, 14:55
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Mikko
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Hi,

I can't find anything wrong what you are doing. Can you share your data so I could try to find a solution?

Regards,
Mikko
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