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oai:figshare.com:article/34036029 2026-09-30T17:42:59Z category_1 category_915 category_21 category_272 category_39 category_734 category_106 portal_5 item_type_6 month_year_09_2026

<p>The Matlab code used to automatically identify the distalmost vortex and calculate the span and lift efficiency.</p> L. Christoffer Johansson (8029388) Gabriel Norevik (589846) Sonja Friman (25145400) Anders Hedenström (150704) Biophysics Physical Sciences not elsewhere classified Biotechnology Environmental Sciences not elsewhere classified Ecology Biological Sciences not elsewhere classified Science Policy using wake visualization reduced span efficiency phenomenon may stem multiple costly behaviors may apply generally kinematic analysis suggests characteristic previously attributed caprimulgus europaeus </ cruising speed efficiency reflects complex tradeoffs european nightjar (< also uses slow div >< p cruising flight — cruising speeds tradeoffs seen slow flight nightjar ’ hummingbirds — wing shape wing folding wind tunnel results highlight particularly interesting makes studies generating lift flight speeds flight performance flapping flight feeding ecology faster speeds existing paradigm ecological demands distance migrant animals engaged aerodynamic mechanisms aerodynamic measurements <p>The code also includes the subfunction AutoMask, which is used to automatically isolate the wake of the bird from the background flow, and used to reduce the noise in the measurements.</p> <p>(DOCX)</p> 2026-09-30T18:03:55Z Text Journal contribution 10.1371/journal.pbio.3004023.s030 https://figshare.com/articles/journal_contribution/_p_The_Matlab_code_used_to_automatically_identify_the_distalmost_vortex_and_calculate_the_span_and_lift_efficiency_p_/34036029 CC BY 4.0