{"id":2044,"date":"2023-07-23T23:17:23","date_gmt":"2023-07-23T23:17:23","guid":{"rendered":"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/"},"modified":"2023-07-23T23:17:23","modified_gmt":"2023-07-23T23:17:23","slug":"matplotlib-salva-figura","status":"publish","type":"post","link":"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/","title":{"rendered":"Come salvare la figura matplotlib in un file (con esempi)"},"content":{"rendered":"<p><\/p>\n<hr>\n<p><span style=\"color: #000000;\">\u00c8 possibile utilizzare la seguente sintassi di base per salvare una figura Matplotlib in un file:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#save figure in various formats\n<\/span>plt. <span style=\"color: #3366ff;\">savefig<\/span> (' <span style=\"color: #ff0000;\">my_plot.png<\/span> ')\nplt. <span style=\"color: #3366ff;\">savefig<\/span> <span style=\"color: #ff0000;\">(<\/span> ' <span style=\"color: #ff0000;\">my_plot.jpg<\/span> ') \nplt. <span style=\"color: #3366ff;\">savefig<\/span> ( <span style=\"color: #ff0000;\">'<\/span> <span style=\"color: #ff0000;\">my_plot.pdf<\/span> ')\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Gli esempi seguenti mostrano come utilizzare questa sintassi nella pratica.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Esempio 1: salva la figura Matplotlib in un file PNG<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Il codice seguente mostra come salvare una figura Matplotlib in un file PNG:<\/span><\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008000;\">import<\/span> matplotlib. <span style=\"color: #3366ff;\">pyplot<\/span> <span style=\"color: #008000;\">as<\/span> plt\n\n<span style=\"color: #008080;\">#define data\n<\/span>x = [1, 2, 3, 4, 5, 6]\ny = [8, 13, 14, 11, 16, 22]\n\n<span style=\"color: #008080;\">#create scatterplot with axis labels\n<\/span>plt. <span style=\"color: #3366ff;\">plot<\/span> (x, y)\nplt. <span style=\"color: #3366ff;\">xlabel<\/span> (' <span style=\"color: #ff0000;\">XVariable<\/span> ')\nplt. <span style=\"color: #3366ff;\">ylabel<\/span> (' <span style=\"color: #ff0000;\">Y Variable<\/span> ')\n\n<span style=\"color: #008080;\">#save figure to PNG file\n<\/span>plt. <span style=\"color: #3366ff;\">savefig<\/span> (' <span style=\"color: #ff0000;\">my_plot.png<\/span> ')\n<\/strong><\/pre>\n<p> <span style=\"color: #000000;\">Se accediamo alla posizione in cui abbiamo salvato il file, possiamo visualizzarlo:<\/span> <\/p>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19109 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/matplot_save1-1.png\" alt=\"\" width=\"586\" height=\"461\" srcset=\"\" sizes=\"\"><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Esempio 2: salva la figura Matplotlib con un layout stretto<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Per impostazione predefinita, Matplotlib aggiunge un generoso riempimento attorno all&#8217;esterno della figura.<\/span><\/p>\n<p> <span style=\"color: #000000;\">Per rimuovere questo riempimento, possiamo usare l&#8217;argomento <strong>bbox_inches=&#8217;tight&#8217;<\/strong> :<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#save figure to PNG file with no padding\n<\/span>plt. <span style=\"color: #3366ff;\">savefig<\/span> (' <span style=\"color: #ff0000;\">my_plot.png<\/span> ', bbox_inches=' <span style=\"color: #ff0000;\">tight<\/span> ')<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19110 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/matplot_save3.png\" alt=\"\" width=\"564\" height=\"475\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Si noti che c&#8217;\u00e8 meno riempimento all&#8217;esterno della trama.<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Esempio 3: salva la figura Matplotlib con dimensioni personalizzate<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">Puoi anche utilizzare l&#8217;argomento <strong>dpi<\/strong> per aumentare la dimensione della figura Matplotlib durante il salvataggio:<\/span> <\/p>\n<pre style=\"background-color: #ececec; font-size: 15px;\"> <strong><span style=\"color: #008080;\">#save figure to PNG file with increased size\n<\/span>plt. <span style=\"color: #3366ff;\">savefig<\/span> (' <span style=\"color: #ff0000;\">my_plot.png<\/span> ', dpi= <span style=\"color: #008000;\">100<\/span> )<\/strong> <\/pre>\n<p><img decoding=\"async\" loading=\"lazy\" class=\" wp-image-19111 aligncenter\" src=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/matplot_save4.png\" alt=\"\" width=\"671\" height=\"530\" srcset=\"\" sizes=\"\"><\/p>\n<p> <span style=\"color: #000000;\">Puoi trovare la documentazione online completa della funzione <strong>savefig()<\/strong> di Matplotlib <a href=\"https:\/\/matplotlib.org\/stable\/api\/_as_gen\/matplotlib.pyplot.savefig.html\" target=\"_blank\" rel=\"noopener\">qui<\/a> .<\/span><\/p>\n<h3> <span style=\"color: #000000;\"><strong>Risorse addizionali<\/strong><\/span><\/h3>\n<p> <span style=\"color: #000000;\">I seguenti tutorial spiegano come eseguire altre funzioni comuni in Matplotlib:<\/span><\/p>\n<p> <a href=\"https:\/\/statorials.org\/it\/matplotlib-imposta-lintervallo-degli-assi\/\" target=\"_blank\" rel=\"noopener\">Come impostare gli intervalli degli assi in Matplotlib<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/matplotlib-aumenta-la-dimensione-della-traccia\/\" target=\"_blank\" rel=\"noopener\">Come aumentare la dimensione del grafico in Matplotlib<\/a><br \/> <a href=\"https:\/\/statorials.org\/it\/matplotlib-trama-multipla\/\" target=\"_blank\" rel=\"noopener\">Come creare pi\u00f9 grafici Matplotlib su una singola figura<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00c8 possibile utilizzare la seguente sintassi di base per salvare una figura Matplotlib in un file: import matplotlib. pyplot as plt #save figure in various formats plt. savefig (&#8216; my_plot.png &#8216;) plt. savefig ( &#8216; my_plot.jpg &#8216;) plt. savefig ( &#8216; my_plot.pdf &#8216;) Gli esempi seguenti mostrano come utilizzare questa sintassi nella pratica. Esempio 1: [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Come salvare la figura Matplotlib in un file (con esempi) - Statorials<\/title>\n<meta name=\"description\" content=\"Questo tutorial spiega come salvare una figura Matplotlib in un file, con diversi esempi.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Come salvare la figura Matplotlib in un file (con esempi) - Statorials\" \/>\n<meta property=\"og:description\" content=\"Questo tutorial spiega come salvare una figura Matplotlib in un file, con diversi esempi.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-23T23:17:23+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/matplot_save1-1.png\" \/>\n<meta name=\"author\" content=\"Benjamin anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/\",\"url\":\"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/\",\"name\":\"Come salvare la figura Matplotlib in un file (con esempi) - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/it\/#website\"},\"datePublished\":\"2023-07-23T23:17:23+00:00\",\"dateModified\":\"2023-07-23T23:17:23+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\"},\"description\":\"Questo tutorial spiega come salvare una figura Matplotlib in un file, con diversi esempi.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/#breadcrumb\"},\"inLanguage\":\"it-IT\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Casa\",\"item\":\"https:\/\/statorials.org\/it\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Come salvare la figura matplotlib in un file (con esempi)\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/it\/#website\",\"url\":\"https:\/\/statorials.org\/it\/\",\"name\":\"Statorials\",\"description\":\"La tua guida all&#039;alfabetizzazione statistica!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/it\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"it-IT\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae\",\"name\":\"Benjamin anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"it-IT\",\"@id\":\"https:\/\/statorials.org\/it\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin anderson\"},\"description\":\"Ciao, sono Benjamin, un professore di statistica in pensione diventato insegnante dedicato di Statorials. Con una vasta esperienza e competenza nel campo della statistica, sono ansioso di condividere le mie conoscenze per potenziare gli studenti attraverso Statorials. Scopri di pi\u00f9\",\"sameAs\":[\"https:\/\/statorials.org\/it\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Come salvare la figura Matplotlib in un file (con esempi) - Statorials","description":"Questo tutorial spiega come salvare una figura Matplotlib in un file, con diversi esempi.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/","og_locale":"it_IT","og_type":"article","og_title":"Come salvare la figura Matplotlib in un file (con esempi) - Statorials","og_description":"Questo tutorial spiega come salvare una figura Matplotlib in un file, con diversi esempi.","og_url":"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/","og_site_name":"Statorials","article_published_time":"2023-07-23T23:17:23+00:00","og_image":[{"url":"https:\/\/statorials.org\/wp-content\/uploads\/2023\/08\/matplot_save1-1.png"}],"author":"Benjamin anderson","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Benjamin anderson","Est. reading time":"1 minuto"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/","url":"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/","name":"Come salvare la figura Matplotlib in un file (con esempi) - Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/it\/#website"},"datePublished":"2023-07-23T23:17:23+00:00","dateModified":"2023-07-23T23:17:23+00:00","author":{"@id":"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae"},"description":"Questo tutorial spiega come salvare una figura Matplotlib in un file, con diversi esempi.","breadcrumb":{"@id":"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/#breadcrumb"},"inLanguage":"it-IT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/it\/matplotlib-salva-figura\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/it\/matplotlib-salva-figura\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Casa","item":"https:\/\/statorials.org\/it\/"},{"@type":"ListItem","position":2,"name":"Come salvare la figura matplotlib in un file (con esempi)"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/it\/#website","url":"https:\/\/statorials.org\/it\/","name":"Statorials","description":"La tua guida all&#039;alfabetizzazione statistica!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/it\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"it-IT"},{"@type":"Person","@id":"https:\/\/statorials.org\/it\/#\/schema\/person\/0896f191fb9fb019f2cd8623112cb3ae","name":"Benjamin anderson","image":{"@type":"ImageObject","inLanguage":"it-IT","@id":"https:\/\/statorials.org\/it\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/it\/wp-content\/uploads\/2023\/10\/Dr.-Benjamin-Anderson-96x96.jpg","caption":"Benjamin anderson"},"description":"Ciao, sono Benjamin, un professore di statistica in pensione diventato insegnante dedicato di Statorials. Con una vasta esperienza e competenza nel campo della statistica, sono ansioso di condividere le mie conoscenze per potenziare gli studenti attraverso Statorials. Scopri di pi\u00f9","sameAs":["https:\/\/statorials.org\/it"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/posts\/2044"}],"collection":[{"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/comments?post=2044"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/posts\/2044\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/media?parent=2044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/categories?post=2044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/it\/wp-json\/wp\/v2\/tags?post=2044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}