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| View Original: | TorusSystole.png (943x862) | |||
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| Keywords: TorusSystole.png en A pinched torus Own work using MATLAB RobHar 2008-12-18 Data file This graphic was created in MATLAB using the following code create u-v grid space u linspace 0 2 pi 120 ; v linspace 0 2 pi 120 ; u v meshgrid u v ; R 0 5; set large radius of torus r abs cos v/2 0 2; set small radius to vary with angle parametrization x R+r cos u cos v ; y R+r cos u sin v ; z r sin u ; H surf x y z ; set H 'FaceColor' 0 25 0 25 0 75 'EdgeColor' 'none' ; set H 'SpecularColorReflectance' 0 2 'DiffuseStrength' 0 8 ; set H 'AmbientStrength' 0 3 'FaceLighting' 'phong' ; set H 'SpecularExponent' 100 ; daspect 1 1 1 ; set ratio of x y z axes axis tight; fit axes to figure axis off; don't show axes view 190 40 ; set viewing angle camlight -50 54 ; lighting phong; add light source Torus | ||||
