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ui.Chart
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图表 widget。
用法 | 返回 |
---|
ui.Chart(dataTable, chartType, options, view, downloadable) | ui.Chart |
参数 | 类型 | 详细信息 |
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dataTable | List<List<Object>>|Object|String,可选 | 数据或 Google 可视化 DataTable 字面的二维数组。请参阅:http://developers.google.com/chart/interactive/docs/reference#DataTable |
chartType | 字符串,可选 | 图表类型;例如“ScatterChart”“LineChart”和“ColumnChart”。如需查看图表的完整列表,请访问:https://developers.google.com/chart/interactive/docs/gallery |
options | 对象,可选 | 一个用于定义图表样式选项的对象,例如:
title (字符串)图表的标题。 |
colors (数组)用于绘制图表的颜色数组。 |
其格式应遵循 Google Visualization API 的选项:https://developers.google.com/chart/interactive/docs/customizing_charts |
view | 对象,可选 | 设置 DataView 初始化器对象,该对象充当底层数据的过滤器。请参阅:https://developers.google.com/chart/interactive/docs/reference#DataView |
downloadable | 布尔值,可选 | 图表是否可以下载为 CSV、SVG 和 PNG。默认值为 true。 |
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最后更新时间 (UTC):2025-07-25。
[null,null,["最后更新时间 (UTC):2025-07-25。"],[[["\u003cp\u003eThe \u003ccode\u003eui.Chart\u003c/code\u003e widget lets you create interactive charts within your Earth Engine app using data from a \u003ccode\u003edataTable\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eYou can customize the chart's appearance, type (e.g., ScatterChart, LineChart), and data filtering using the \u003ccode\u003eoptions\u003c/code\u003e and \u003ccode\u003eview\u003c/code\u003e parameters.\u003c/p\u003e\n"],["\u003cp\u003eCharts are downloadable as CSV, SVG, or PNG by default, but this can be controlled with the \u003ccode\u003edownloadable\u003c/code\u003e parameter.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003edataTable\u003c/code\u003e argument accepts a 2-D array or a Google Visualization DataTable literal for data input.\u003c/p\u003e\n"],["\u003cp\u003eDetailed documentation on chart types, styling options, and the Google Visualization API is available in the provided links.\u003c/p\u003e\n"]]],["The `ui.Chart` widget displays a chart using a `dataTable`, `chartType`, and `options`. `dataTable` is a 2-D data array. `chartType` specifies the chart type (e.g., 'ScatterChart'). `options` control style, like `title` and `colors`. `view` allows data filtering. The `downloadable` boolean enables saving as CSV, SVG, or PNG, defaulting to true. Each parameter are optionnal.\n"],null,["# ui.Chart\n\n\u003cbr /\u003e\n\nA chart widget.\n\n\u003cbr /\u003e\n\n| Usage | Returns |\n|---------------------------------------------------------------------------------------|----------|\n| `ui.Chart(`*dataTable* `, `*chartType* `, `*options* `, `*view* `, `*downloadable*`)` | ui.Chart |\n\n| Argument | Type | Details |\n|----------------|--------------------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `dataTable` | List\\\u003cList\\\u003cObject\\\u003e\\\u003e\\|Object\\|String, optional | A 2-D array of data or a Google Visualization DataTable literal. See: http://developers.google.com/chart/interactive/docs/reference#DataTable |\n| `chartType` | String, optional | The chart type; e.g 'ScatterChart', 'LineChart', and 'ColumnChart'. For the complete list of charts, see: https://developers.google.com/chart/interactive/docs/gallery |\n| `options` | Object, optional | An object defining chart style options such as: |---------------------------------------------------------------| | ` title ` (string) The title of the chart. | | ` colors ` (Array) An array of colors used to draw the chart. | Its format should follow the Google Visualization API's options: https://developers.google.com/chart/interactive/docs/customizing_charts |\n| `view` | Object, optional | Sets a DataView initializer object, which acts as a filter over the underlying data. See: https://developers.google.com/chart/interactive/docs/reference#DataView |\n| `downloadable` | Boolean, optional | Whether the chart can be downloaded as CSV, SVG, and PNG. Defaults to true. |"]]