如果您在 CAP 提醒中仅使用 <geocode> 元素，那么为了解析您的提醒，Google 需要有关地理编码和形状文件映射的更多信息。以 EsriShapefile 格式将这些数据发送给 Google 进行预处理。
例如，NOAA 在其 AWIPS 基本地图形状文件数据库中使用通用地理代码 (UGC)。
地理编码
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最后更新时间 (UTC)：2025-05-08。
[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["最后更新时间 (UTC)：2025-05-08。"],[[["It is highly recommended to use a `\u003cpolygon\u003e` element to describe the `\u003carea\u003e` entity in your CAP alert."],["If using a `\u003cgeocode\u003e` element, provide Google with additional geocode and shapefile data in Esri shapefile format for pre-processing."],["Ensure Google receives updated geocode files whenever there are updates for accurate CAP alert parsing in Public Alerts."]]],["To ensure Google can parse your CAP alerts, use `\u003cpolygon\u003e` elements to define `\u003carea\u003e`. If using `\u003cgeocode\u003e`, provide Google with additional data in Esri shapefile format for pre-processing. NOAA's use of the Universal Geographic Code (UGC) in their AWIPS Basemap Shapefiles database is an example. It's crucial to send Google updated geocode files whenever there's a change to maintain accurate alert parsing.\n"]]