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| - | ==== 04. [1.5p] Animations ==== | ||
| - | |||
| - | * Animations in Gnuplot can be built using “do for []{…}”; | ||
| - | * Set a circle in the centre: set object circle at …; | ||
| - | |||
| - | <code> | ||
| - | #example_1 | ||
| - | plot 'dataset.txt' every I:J:K:L:M:N | ||
| - | plot 'dataset.txt' every 2 # Plot every 2 lines | ||
| - | plot 'dataset.txt' every ::3 # Plot starting from the 3rd line | ||
| - | plot 'dataset.txt' every ::3::15 # Plot lines 3-15 | ||
| - | |||
| - | #example_2 | ||
| - | do for [t=0:50] { | ||
| - | outfile = sprintf('animation/bessel%03.0f.png',t) | ||
| - | set output outfile | ||
| - | splot u*sin(v),u*cos(v),bessel(u,t/50.0) w pm3d ls 1 | ||
| - | pause 0.02 | ||
| - | } | ||
| - | </code> | ||
