{"id":2068,"date":"2026-07-27T01:59:09","date_gmt":"2026-07-27T01:59:09","guid":{"rendered":"https:\/\/www.vpascode.com\/fr\/docs\/uncategorized\/nightingale-chart-polar-rose-proportions-and-radial-cycles-guide\/"},"modified":"2026-07-27T01:59:09","modified_gmt":"2026-07-27T01:59:09","slug":"nightingale-chart-polar-rose-proportions-and-radial-cycles-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/fr\/docs\/vpascode-docs\/nightingale-chart-polar-rose-proportions-and-radial-cycles-guide\/","title":{"rendered":"Diagram de Nightingale : proportions de rosace polaire et cycles radiaux"},"content":{"rendered":"

Lorsque l’on pr\u00e9sente des donn\u00e9es cycliques ou des proportions cat\u00e9gorielles visuellement frappantes, le Diagram de Nightingale<\/strong> (\u00e9galement connu sous le nom de diagramme de rosace polaire ou de diagramme de Coxcomb) offre une structure visuelle convaincante. Cr\u00e9\u00e9 par Florence Nightingale pour cartographier des donn\u00e9es de sant\u00e9 publique, ce diagramme encode les valeurs de donn\u00e9es \u00e0 l’aide de la longueur du rayon des secteurs plut\u00f4t que de l’angle. En maintenant les angles des tranches identiques tout en \u00e9tirant les longueurs des secteurs vers l’ext\u00e9rieur, les diagrammes de Nightingale transforment les m\u00e9triques cycliques ou cat\u00e9gorielles en designs radiaux distincts et percutants.<\/p>\n

Les m\u00e9canismes des diagrammes de Nightingale<\/h2>\n

Dans Apache ECharts, un diagramme de Nightingale utilise le type de s\u00e9rie standard 'pie'<\/code> configur\u00e9 avec la propri\u00e9t\u00e9 roseType<\/code> . D\u00e9finir roseType: 'radius'<\/code> indique au moteur de diviser le cercle en segments angulaires \u00e9gaux tout en ajustant le rayon externe de chaque secteur en fonction de sa valeur num\u00e9rique.<\/p>\n

1. Configuration essentielle<\/h3>\n

Pour construire un diagramme de Nightingale de base, d\u00e9finissez roseType: 'radius'<\/code> \u00e0 l’int\u00e9rieur d’un objet 'pie'<\/code> de s\u00e9rie et fournissez 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: 'item',\r\n        formatter: '{a} \r\n{b}: {c} ({d}%)'\r\n    },\r\n    legend: {\r\n        top: '5%',\r\n        left: 'center'\r\n    },\r\n    series: [\r\n        {\r\n            name: 'Mode rayon',\r\n            type: 'pie',\r\n            radius: [20, 140],\r\n            center: ['50%', '55%'],\r\n            roseType: 'radius',\r\n            itemStyle: {\r\n                borderRadius: 5\r\n            },\r\n            data: [\r\n                { value: 40, name: 'Rose 1' },\r\n                { value: 38, name: 'Rose 2' },\r\n                { value: 32, name: 'Rose 3' },\r\n                { value: 30, name: 'Rose 4' },\r\n                { value: 28, name: 'Rose 5' },\r\n                { value: 26, name: 'Rose 6' },\r\n                { value: 22, name: 'Rose 7' },\r\n                { value: 18, name: 'Rose 8' }\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
Techniques structurelles avanc\u00e9es<\/h2>\n
Vous pouvez personnaliser le mode d’affichage du diagramme de rosace pour faire varier \u00e0 la fois l’angle et le rayon simultan\u00e9ment, ou creuser le centre pour obtenir un hybride rosace-anneau.<\/p>\n
1. Type de rosace par surface (angles \u00e9gaux vs. angles \u00e9chelonn\u00e9s)<\/h3>\n
D\u00e9finir roseType: 'area'<\/code> maintient les angles des secteurs \u00e9gaux pour toutes les cat\u00e9gories tout en \u00e9chelonnant la surface des tranches plut\u00f4t que seulement le rayon :<\/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    l\u00e9gende: {\r\n        haut: 'bas'\r\n    },\r\n    s\u00e9ries: [\r\n        {\r\n            nom: 'Mode Zone',\r\n            type: 'camembert',\r\n            rayon: [30, 120],\r\n            centre: ['50%', '45%'],\r\n            typeRose: 'zone',\r\n            donn\u00e9es: [\r\n                { valeur: 30, nom: 'Marketing' },\r\n                { valeur: 28, nom: 'Ventes' },\r\n                { valeur: 26, nom: 'D\u00e9veloppement' },\r\n                { valeur: 24, nom: 'Support' },\r\n                { valeur: 22, nom: 'Conception' },\r\n                { valeur: 20, nom: 'Op\u00e9rations' }\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
Affinage du layout et du style<\/h2>\n
Appliquer des extr\u00e9mit\u00e9s ext\u00e9rieures arrondies et des bordures distinctes donne aux graphiques en rose polaire un aspect raffin\u00e9 sur les pages web modernes.<\/p>\n
1. Extr\u00e9mit\u00e9s arrondies de la rose et bordures des segments<\/h3>\n
Utilisez borderRadius<\/code>et des bordures blanches en contour pour s\u00e9parer nettement les p\u00e9tales radiaux adjacents :<\/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    infobulle: {\r\n        d\u00e9clencheur: '\u00e9l\u00e9ment'\r\n    },\r\n    s\u00e9ries: [\r\n        {\r\n            nom: 'Impact des d\u00e9partements',\r\n            type: 'camembert',\r\n            rayon: [40, 150],\r\n            centre: ['50%', '50%'],\r\n            typeRose: 'rayon',\r\n            style\u00c9l\u00e9ment: {\r\n                borderRadius: 8,\r\n                couleurBordure: '#ffffff',\r\n                \u00e9paisseurBordure: 2\r\n            },\r\n            \u00e9tiquette: {\r\n                afficher: true,\r\n                formatteur: '{b}: {c}'\r\n            },\r\n            donn\u00e9es: [\r\n                { valeur: 1048, nom: 'Ing\u00e9nierie' },\r\n                { valeur: 735, nom: 'Produit' },\r\n                { valeur: 580, nom: 'Marketing' },\r\n                { valeur: 484, nom: 'Ventes' },\r\n                { valeur: 300, nom: 'Support' }\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
Meilleures pratiques strat\u00e9giques<\/h2>\n
    \n
  • Faites attention \u00e0 la distorsion visuelle :<\/strong>Parce que l’aire augmente de mani\u00e8re exponentielle avec le rayon, les grandes valeurs apparaissent visuellement dominantes sur les graphiques en rose par rapport aux diagrammes en barres standards. Utilisez-les lorsque l’impact et l’engagement visuel sont prioritaires.<\/li>\n
  • Gardez un trou au niveau du rayon int\u00e9rieur :<\/strong> D\u00e9finissez toujours un rayon int\u00e9rieur (par exemple, [20, 140]<\/code>) afin que les petits secteurs ne se r\u00e9duisent pas \u00e0 un point aigu illisible au centre absolu.<\/li>\n
  • Placez les l\u00e9gendes hors du centre :<\/strong>Placez les l\u00e9gendes au sommet ou au bord inf\u00e9rieur pour \u00e9viter que les p\u00e9tales radiaux ne chevauchent le texte lorsqu’ils s’\u00e9tendent vers l’ext\u00e9rieur.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
    Lorsque l’on pr\u00e9sente des donn\u00e9es cycliques ou des proportions cat\u00e9gorielles visuellement frappantes, le Diagram de Nightingale (\u00e9galement connu sous le nom de diagramme de rosace polaire ou de diagramme de Coxcomb) offre une structure visuelle convaincante. Cr\u00e9\u00e9 par Florence Nightingale…<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":10,"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 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Rose Chart Guide | VPasCode Text to Diagram Guide<\/title>\n<meta name=\"description\" content=\"Script polar area pie charts using ECharts Nightingale rose syntax in VPasCode, a free text to diagram 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\/nightingale-chart-polar-rose-proportions-and-radial-cycles-guide\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ECharts Rose Chart Guide | VPasCode Text to Diagram Guide\" \/>\n<meta property=\"og:description\" content=\"Script polar area pie charts using ECharts Nightingale rose syntax in VPasCode, a free text to diagram tool.\" \/>\n<meta property=\"og:url\" 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