Hi, I'm hoping to examine some MRI derived blood flow velocity data using paraview. I've transformed the original data into a time series of vtk images, which have the velocity vector at each point. However I suspect I need to set up the units for velocity appropriately. Should I ensure that the distance component is in the same units as the voxel spacing in the images, or doesn't it matter? I haven't experimented with streamlines before so I'm not sure what I should be tweaking. Also, I notice that some examples assume separate vector and magnitude information. Is this essential? Should I be normalizing my vectors instead?
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