Hello everyone, I am working on visualizing some brain imaging data. I have a bunch of points in 3D space, which have two sets of coordinates: x1/y1/z1 and x2/y2/z2. All I need is to show arrow glyphs starting from the first coordinate and ending to the second coordinate. I currently import the data as csv. I tried using the time series option, and I can loop through the two time points, but can't find how to model a line or an arrow for each point between the two times. I also tried to compute what is called "velocity fields", that is a set of 3 scalar factors that if multiplied with the original coordinates would yield the second coordinate (using Calculator): iHat*X snapped+jHat*Y snapped+kHat*Z snapped
Still, I don't get reasonable results. The problem looks trivial but I couldn't find any solution online after hours of search. It is not even clear to me what does the above formula do exactly. Can someone help if this is possible? Dorian
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