{"id":45785,"date":"2023-05-14T16:51:13","date_gmt":"2023-11-01T03:25:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/45785-2\/"},"modified":"2024-04-30T04:08:20","modified_gmt":"2024-04-29T20:08:20","slug":"45785-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/45785-2\/","title":{"rendered":""},"content":{"rendered":"

\u3053\u308c\u304b\u3089\u306eGUI\u306f\u3001Jupyter\u3060\u308d\uff01\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u3044\u308d\u3044\u308d\u8abf\u3079\u3066\u3044\u308b\u306e\u3060\u3051\u3069\u3001\u30cf\u30de\u3063\u305f\u306e\u3067\u30e1\u30e2\u3002\u4e0b\u306e\u30b3\u30fc\u30c9\u306f\u52d5\u304f\u3002animate\u3068\u3044\u3046\u95a2\u6570\u304c\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u3055\u308c\u3066\u30d7\u30ed\u30c3\u30c8\u5185\u306eline\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u3044\u308b\u3002\u76f4\u63a5\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u95a2\u6570\u306e\u306a\u304b\u3067plot\u3057\u3066\u3082\u3044\u3044\u3089\u3057\u3044\u304c\u3001\u3053\u3053\u3067\u306e\u672c\u984c\u3067\u306f\u306a\u3044\u306e\u3067\u3001\u3068\u308a\u3042\u3048\u305a\u3053\u308c\u3067\u3002<\/p>\n

%<\/span>matplotlib<\/span> nbagg<\/span>\r\nimport<\/span> numpy<\/span> as<\/span> np<\/span>\r\nimport<\/span> matplotlib.pyplot<\/span> as<\/span> plt<\/span>\r\nimport<\/span> matplotlib.animation<\/span> as<\/span> animation<\/span>\r\n\r\n\r\nfig<\/span>,<\/span> ax<\/span> =<\/span> plt<\/span>.<\/span>subplots<\/span>()<\/span>\r\nline<\/span>,<\/span> =<\/span> ax<\/span>.<\/span>plot<\/span>([],<\/span> [],<\/span> lw<\/span>=<\/span>2<\/span>)<\/span>\r\n\r\ndef<\/span> animate<\/span>(<\/span>i<\/span>):<\/span>\r\n    x<\/span> =<\/span> np<\/span>.<\/span>linspace<\/span>(<\/span>0<\/span>,<\/span> 1<\/span>,<\/span> 1000<\/span>)<\/span>\r\n    y<\/span> =<\/span> np<\/span>.<\/span>sin<\/span>((<\/span>x<\/span> +<\/span> (<\/span>0.01<\/span> *<\/span> i<\/span>))<\/span> *<\/span> 2<\/span> *<\/span> np<\/span>.<\/span>pi<\/span>)<\/span> *<\/span> 0.5<\/span> +<\/span> 0.5<\/span>\r\n    line<\/span>.<\/span>set_data<\/span>(<\/span>x<\/span>,<\/span> y<\/span>)<\/span>\r\n    return<\/span> (<\/span>line<\/span>,)<\/span>\r\n\r\nanimation<\/span>.<\/span>FuncAnimation<\/span>(<\/span>fig<\/span>,<\/span> animate<\/span>,<\/span> frames<\/span>=<\/span>100<\/span>,<\/span> \r\n                        interval<\/span>=<\/span>20<\/span>,<\/span> blit<\/span>=<\/span>True<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u304a\u3069\u308d\u304f\u3079\u304d\u3053\u3068\u306b\u3001\u3053\u306e\u30b3\u30fc\u30c9\u3092\u95a2\u6570\u306e\u4e2d\u306b\u79fb\u3057\u305f\u3060\u3051\u306e\u6b21\u306e\u30b3\u30fc\u30c9\u306f\u52d5\u304b\u306a\u3044\u3002<\/p>\n
def<\/span> createGraph<\/span>():<\/span>\r\n    fig<\/span>,<\/span> ax<\/span> =<\/span> plt<\/span>.<\/span>subplots<\/span>()<\/span>\r\n    line<\/span>,<\/span> =<\/span> ax<\/span>.<\/span>plot<\/span>([],<\/span> [],<\/span> lw<\/span>=<\/span>2<\/span>)<\/span>\r\n\r\n    def<\/span> animate<\/span>(<\/span>i<\/span>):<\/span>\r\n        x<\/span> =<\/span> np<\/span>.<\/span>linspace<\/span>(<\/span>0<\/span>,<\/span> 1<\/span>,<\/span> 1000<\/span>)<\/span>\r\n        y<\/span> =<\/span> np<\/span>.<\/span>sin<\/span>((<\/span>x<\/span> +<\/span> (<\/span>0.01<\/span> *<\/span> i<\/span>))<\/span> *<\/span> 2<\/span> *<\/span> np<\/span>.<\/span>pi<\/span>)<\/span> *<\/span> 0.5<\/span> +<\/span> 0.5<\/span>\r\n        line<\/span>.<\/span>set_data<\/span>(<\/span>x<\/span>,<\/span> y<\/span>)<\/span>\r\n        return<\/span> (<\/span>line<\/span>,)<\/span>\r\n\r\n    animation<\/span>.<\/span>FuncAnimation<\/span>(<\/span>fig<\/span>,<\/span> animate<\/span>,<\/span> frames<\/span>=<\/span>100<\/span>,<\/span> \r\n                            interval<\/span>=<\/span>20<\/span>,<\/span> blit<\/span>=<\/span>True<\/span>)<\/span>\r\ncreateGraph<\/span>()<\/span>\r\n<\/code><\/pre>\n
\u30a8\u30e9\u30fc\u304c\u3067\u308b\u308f\u3051\u3067\u306f\u306a\u3044\u306e\u3060\u3051\u3069\u3001\u30d7\u30ed\u30c3\u30c8\u9818\u57df\u304c\u8868\u793a\u3055\u308c\u308b\u3060\u3051\u3067\u3001\u5168\u304f\u30b0\u30e9\u30d5\u304c\u63cf\u753b\u3055\u308c\u306a\u3044\u3002\u3044\u308d\u3044\u308d\u8a66\u3057\u3066\u307f\u308b\u3068animate\u95a2\u6570\u304c\u5168\u304f\u547c\u3070\u308c\u3066\u3044\u306a\u3044\u3053\u3068\u304c\u308f\u304b\u3063\u305f\u3002<\/p>\n
\u3053\u308c\u3092\u52d5\u304f\u3088\u3046\u306b\u3059\u308b\u306b\u306f\u3001createGraph\u95a2\u6570\u306e\u672b\u5c3e\u3067\u4f5c\u6210\u3057\u305fAnimation\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3092return\u3059\u308c\u3070\u3044\u3044\u3002<\/p>\n
    return animation.FuncAnimation(fig, animate, frames=100, \r\n                                    interval=20, blit=True)\r\n<\/code><\/pre>\n
\u306a\u305c\u306a\u306e\u304b<\/h2>\n
\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u898b\u305f\u3089\u3001\u5192\u982d\u306b\u3061\u3083\u3093\u3068\u66f8\u3044\u3066\u3042\u3063\u305f\u3002\u3002<\/p>\n
In both cases it is critical to keep a reference to the instance object. The animation is advanced by a timer (typically from the host GUI framework) which the Animation object holds the only reference to. If you do not hold a reference to the Animation object, it (and hence the timers), will be garbage collected which will stop the animation.<\/p><\/blockquote>\n
Animation\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u53c2\u7167\u304c\u4f5c\u3089\u308c\u308b\u3068\u540c\u6642\u306b\u958b\u653e\u3055\u308c\u308b\u306e\u3067\u3001animate\u3092\u4e00\u5ea6\u3082\u547c\u3073\u51fa\u3059\u6687\u3082\u306a\u304f\u3001\u5373\u56de\u53ce\u3055\u308c\u3066\u3044\u305f\u3001\u3068\u3044\u3046\u3053\u3068\u3089\u3057\u3044\u3002\uff11\u756a\u6700\u521d\u306e\u66f8\u304d\u65b9\u3067\u3082\u8fd4\u308a\u5024\u3092\u5909\u6570\u306b\u4ee3\u5165\u3057\u3066\u3044\u306a\u3044\u306e\u3067\u5373\u6b7b\u3057\u305d\u3046\u306a\u3082\u306e\u3060\u3051\u3069\u3001Jupyter\u3067\u306f\u5404\u5165\u529b\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u6700\u5f8c\u306e\u6587\u306e\u5024\u304c\u81ea\u52d5\u7684\u306b_\u306b\u4ee3\u5165\u3055\u308c\u308b\u306e\u3067\u3001\u53c2\u7167\u304c\u5931\u308f\u308c\u306a\u3044\u306e\u3067\u6b7b\u306a\u306a\u304b\u3063\u305f\u3088\u3046\u3060\u3002\u3060\u304b\u3089\u3001\u672b\u5c3e\u306b<\/p>\n
a<\/span> =<\/span> 'test'<\/span>\r\n<\/code><\/pre>\n
\u3068\u304b\u30c0\u30df\u30fc\u306e\u6587\u3092\u5165\u308c\u3066\u3084\u308b\u3068\u3001_\u306b\u30d0\u30a4\u30f3\u30c9\u3055\u308c\u308b\u306e\u304c\u3053\u306e\u30c0\u30df\u30fc\u306e\u6587\u306e\u7d50\u679c\u306b\u306a\u308b\u306e\u3067\u52d5\u304b\u306a\u304f\u306a\u308b\u3002<\/p>\n
\u3067\u3082\u3001\u4e00\u5ea6\u52d5\u304d\u51fa\u3059\u3068\u4ee3\u5165\u3057\u305f\u5909\u6570\u3092\u66f8\u304d\u6f70\u3057\u3066\u3082\u6b62\u307e\u3089\u306a\u3044\u3093\u3060\u3088\u306a\u3042\u3002\u3069\u3053\u304b\u306b\u5225\u9014\u53c2\u7167\u304c\u4fdd\u6301\u3055\u308c\u308b\u306e\u3060\u308d\u3046\u304b\u3002<\/p>\n
\u3061\u306a\u307f\u306b\u3001\u30a2\u30cb\u30e1\u30fc\u30b7\u30e7\u30f3\u3092\u505c\u6b62\u3055\u305b\u308b\u306b\u306f\u4e0b\u8a18\u306e\u3088\u3046\u306b\u3059\u308b\u308c\u3070\u3088\u3044\u3002<\/p>\n
_<\/span>.<\/span>event_source<\/span>.<\/span>stop<\/span>()<\/span>\r\n<\/code><\/pre>\n
\u6559\u8a13<\/h2>\n
\u30de\u30cb\u30e5\u30a2\u30eb\u3092\u5148\u306b\u3061\u3083\u3093\u3068\u8aad\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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