{"id":2073,"date":"2026-07-27T01:16:35","date_gmt":"2026-07-27T01:16:35","guid":{"rendered":"https:\/\/www.vpascode.com\/fr\/docs\/uncategorized\/line-chart-trend-tracking-and-continuous-data-guide\/"},"modified":"2026-07-27T01:16:35","modified_gmt":"2026-07-27T01:16:35","slug":"line-chart-trend-tracking-and-continuous-data-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/fr\/docs\/vpascode-docs\/line-chart-trend-tracking-and-continuous-data-guide\/","title":{"rendered":"Graphique en ligne : Suivi des tendances et donn\u00e9es continues"},"content":{"rendered":"

Lors du suivi d’une progression continue ou de changements s\u00e9riels temporels, le Graphique en ligne<\/strong>sert d’outil visuel principal. Contrairement aux diagrammes en colonnes ou en barres discrets qui se concentrent sur les comparaisons entre cat\u00e9gories individuelles, les graphiques en ligne mettent l’accent sur les connexions et la pente pour mettre en \u00e9vidence l’impulsion, la saisonnalit\u00e9 et les changements soudains des m\u00e9triques<\/em> sur des s\u00e9quences continues, telles que la croissance quotidienne des utilisateurs actifs, les revenus mensuels r\u00e9currents ou les flux de t\u00e9l\u00e9m\u00e9trie des capteurs.<\/p>\n

Le fonctionnement des graphiques en ligne<\/h2>\n

Dans Apache ECharts, les visualisations en ligne sont configur\u00e9es en d\u00e9finissant la propri\u00e9t\u00e9 series type<\/code> \u00e0 'line'<\/code>. Les graphiques en ligne relient des points de donn\u00e9es ordonn\u00e9s s\u00e9quentiellement le long d’un axe horizontal continu cat\u00e9goriel ou temporel (xAxis<\/code>) et associent des valeurs num\u00e9riques continues \u00e0 l’axe vertical (yAxis<\/code>).<\/p>\n

1. Configuration de base<\/h3>\n

Pour cr\u00e9er un graphique en ligne basique, d\u00e9finissez vos cat\u00e9gories continues le long de l’axe X et associez votre jeu de donn\u00e9es \u00e0 un objet s\u00e9rie avec type: 'line'<\/code>:<\/p>\n

\n
\nECharts<\/span>
\n
\n<\/path><\/path><\/svg>
\nModifier ECharts dans VPasCode<\/span>
\n<\/a>\n<\/div>\n
\n
\r\n
\r\n ECharts<\/span>\r\n \r\n <\/path><\/path><\/svg>\r\n Edit ECharts in VPasCode<\/span>\r\n <\/a>\r\n <\/div>\r\n
\r\n 
option = {\r\n    tooltip: {\r\n        trigger: 'axis'\r\n    },\r\n    xAxis: {\r\n        type: 'category',\r\n        data: ['Lun', 'Mar', 'Mer', 'Jeu', 'Ven', 'Sam', 'Dim']\r\n    },\r\n    yAxis: {\r\n        type: 'value'\r\n    },\r\n    series: [\r\n        {\r\n            type: 'line',\r\n            data: [150, 230, 224, 218, 135, 147, 260]\r\n        }\r\n    ]\r\n};<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nModifier ECharts dans VPasCode<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
Techniques structurelles avanc\u00e9es<\/h2>\n
Les graphiques en ligne offrent une flexibilit\u00e9 pour les superpositions de plusieurs m\u00e9triques, les courbes d’interpolation lisse et les indicateurs personnalis\u00e9s de points de donn\u00e9es.<\/p>\n
1. Courbes d’interpolation lisse<\/h3>\n
Par d\u00e9faut, les s\u00e9ries en ligne relient les points de donn\u00e9es par des segments de droite. En activant smooth: true<\/code>applique une interpolation par spline cubique pour cr\u00e9er des trajectoires de ligne courb\u00e9es et organiques \u00e0 travers votre jeu de donn\u00e9es :<\/p>\n
\n
\nECharts<\/span>
\n
\n<\/path><\/path><\/svg>
\nModifier ECharts dans VPasCode<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    ECharts<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
option = {\r\n    tooltip: {\r\n        trigger: 'axis'\r\n    },\r\n    xAxis: {\r\n        type: 'category',\r\n        data: ['Jan', 'F\u00e9v', 'Mar', 'Avr', 'Mai', 'Jun']\r\n    },\r\n    yAxis: {\r\n        type: 'value'\r\n    },\r\n    series: [\r\n        {\r\n            type: 'line',\r\n            smooth: true,\r\n            data: [820, 932, 901, 934, 1290, 1330],\r\n            lineStyle: {\r\n                width: 3,\r\n                color: '#5470c6'\r\n            }\r\n        }\r\n    ]\r\n};<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nModifier ECharts dans VPasCode<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
2. Comparaison des performances en plusieurs lignes<\/h3>\n
Comparez les m\u00e9triques secondaires sur des intervalles de temps identiques en fournissant plusieurs objets de ligne \u00e0 l’int\u00e9rieur du s\u00e9rie<\/code> tableau :<\/p>\n
\n
\nECharts<\/span>
\n
\n<\/path><\/path><\/svg>
\nModifier ECharts dans VPasCode<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    ECharts<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
option = {\r\n    tooltip: {\r\n        trigger: 'axis'\r\n    },\r\n    l\u00e9gende: {\r\n        data: ['P\u00e9riode actuelle', 'P\u00e9riode pr\u00e9c\u00e9dente']\r\n    },\r\n    xAxis: {\r\n        type: 'category',\r\n        data: ['Semaine 1', 'Semaine 2', 'Semaine 3', 'Semaine 4']\r\n    },\r\n    yAxis: {\r\n        type: 'value'\r\n    },\r\n    series: [\r\n        {\r\n            name: 'P\u00e9riode actuelle',\r\n            type: 'line',\r\n            smooth: true,\r\n            data: [320, 332, 301, 334],\r\n            itemStyle: { color: '#5470c6' }\r\n        },\r\n        {\r\n            name: 'P\u00e9riode pr\u00e9c\u00e9dente',\r\n            type: 'line',\r\n            smooth: true,\r\n            data: [220, 182, 191, 234],\r\n            itemStyle: { color: '#91cc75' }\r\n        }\r\n    ]\r\n};<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nModifier ECharts dans VPasCode<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
Affinage des remplissages de zone et des points de donn\u00e9es<\/h2>\n
Les s\u00e9ries de lignes peuvent \u00eatre am\u00e9lior\u00e9es visuellement \u00e0 l’aide de d\u00e9grad\u00e9s de fond subtils et de marqueurs de donn\u00e9es cibl\u00e9s pour attirer l’attention sur des jalons cl\u00e9s.<\/p>\n
1. Style des zones de ligne<\/h3>\n
Ajouter une zoneStyle<\/code>propri\u00e9t\u00e9 transforme un graphique en ligne standard en vue de zone, en remplissant la r\u00e9gion entre le trac\u00e9 de la ligne et l’axe horizontal :<\/p>\n
\n
\nECharts<\/span>
\n
\n<\/path><\/path><\/svg>
\nModifier ECharts dans VPasCode<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    ECharts<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
option = {\r\n    xAxis: {\r\n        type: 'category',\r\n        boundaryGap: false, \/\/ Aligner la ligne directement aux bords de l'axe\r\n        data: ['00:00', '04:00', '08:00', '12:00', '16:00', '20:00', '23:59']\r\n    },\r\n    yAxis: {\r\n        type: 'value'\r\n    },\r\n    series: [\r\n        {\r\n            type: 'line',\r\n            smooth: true,\r\n            data: [300, 280, 250, 590, 820, 710, 430],\r\n            areaStyle: {\r\n                color: 'rgba(84, 112, 198, 0.25)' \/\/ Remplissage doux sous la ligne\r\n            },\r\n            lineStyle: {\r\n                width: 3,\r\n                color: '#5470c6'\r\n            },\r\n            symbolSize: 8\r\n        }\r\n    ]\r\n};<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit ECharts in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nModifier ECharts dans VPasCode<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
\u00a0<\/p>\n
Meilleures pratiques strat\u00e9giques<\/h2>\n
    \n
  • Utilisez boundaryGap: false<\/code> pour les s\u00e9quences temporelles :<\/strong> Supprimer les espaces par d\u00e9faut aux bords sur les axes temporels continus permet \u00e0 la ligne de commencer directement au margin z\u00e9ro pour une pr\u00e9sentation nette de bord \u00e0 bord.<\/li>\n
  • Maintenez un faible nombre de lignes :<\/strong> \u00c9vitez de dessiner plus de 4 \u00e0 5 lignes sur une m\u00eame toile. Les graphiques \u00e0 lignes surcharg\u00e9s (\u00ab graphiques spaghetti \u00bb) deviennent rapidement illisibles.<\/li>\n
  • D\u00e9clencheurs de tooltip d’axe<\/strong> Toujours configurer infobulle: { d\u00e9clencheur: 'axe' }<\/code>afin que les utilisateurs puissent passer leur curseur sur n’importe quel point horizontal pour visualiser simultan\u00e9ment des valeurs pr\u00e9cises pour toutes les s\u00e9ries de lignes actives.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
    Lors du suivi d’une progression continue ou de changements s\u00e9riels temporels, le Graphique en lignesert d’outil visuel principal. Contrairement aux diagrammes en colonnes ou en barres discrets qui se concentrent sur les comparaisons entre cat\u00e9gories individuelles, les graphiques en ligne…<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":5,"template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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Line Chart Guide | VPasCode Text to Diagram Tool<\/title>\n<meta name=\"description\" content=\"Plot continuous data trends over time using ECharts line chart scripts in VPasCode, a free diagram-as-code tool.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vpascode.com\/fr\/docs\/vpascode-docs\/line-chart-trend-tracking-and-continuous-data-guide\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ECharts Line Chart Guide | VPasCode Text to Diagram Tool\" \/>\n<meta property=\"og:description\" content=\"Plot continuous data trends over time using ECharts line chart scripts in VPasCode, a free diagram-as-code tool.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vpascode.com\/fr\/docs\/vpascode-docs\/line-chart-trend-tracking-and-continuous-data-guide\/\" 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