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What's your favorite vector display representation |
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November 12, 2020, 07:59 |
What's your favorite vector display representation
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#1 |
Senior Member
Gerry Kan
Join Date: May 2016
Posts: 350
Rep Power: 10 |
Howdy Folks:
I have always had this question in the back of my head ... but now I finally have time to put it forward. So here it goes. When it comes to displaying vector quantities, what is your favorite technique? Examples: 1) 3D glyphs (i.e. quiver plot) 2) Streamlines 3) Line integral convolution (LIC) 4) Spot noise 5) Anything I missed Any comments are welcome. Sincerely, Gerry. |
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November 14, 2020, 17:15 |
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#2 |
Senior Member
Kira
Join Date: Nov 2020
Location: Canada
Posts: 435
Rep Power: 8 |
Hello Gerry,
I've been thinking of an answer for this for several days and have finally mustered enough confidence to answer, seeing as well that no one has answered yet. I thought this was a good, thought provoking question I could learn things from, so in hopes of learning here it goes. I personally prefer streamlines. I am studying vortical flows and vorticity, so streamlines seem the most common/accurate/easiest method to show these quantities with. I know quiver plots are used to show directional quantities as well, however. Would it not depend on the vector quantity/application of what you are trying to visualise? For my area of research, horseshoe vortices are commonly what we look for, so I am not sure if another visualisation technique would capture these, at least to the point where they could provide meaningful results. What is your favourite, Gerry? Last edited by aero_head; November 14, 2020 at 17:34. Reason: changed a word |
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November 15, 2020, 15:59 |
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#3 |
Senior Member
Sayan Bhattacharjee
Join Date: Mar 2020
Posts: 495
Rep Power: 8 |
Only used streamlines and quiver plots for my work.
I generally color the streamlines by something like velocity/pressure magnitude. For quiver plots, I reduce the length of the vectors, color them, and make them semi transparent while setting the background as black. The semi transparent quiver plots actually look quite good. |
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