[[["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):2025-08-08。"],[[["Thumbnails are generated from an expression that evaluates to an Earth Engine Image."],["Users can customize the output format, band selection, visualization, and projection of the thumbnail."],["Thumbnails can be created using the `projects.locations.thumbnails/create` method."],["The `visualizationOptions` field allows for applying visualization parameters to generate an 8-bit RGB visualization."],["Thumbnails support various output formats like GeoTIFF and PNG."]]],["This describes the structure for a thumbnail resource, outlining its JSON representation and fields. Key information includes the `name`, `expression` (an image-producing computation), desired `fileFormat`, and specific `bandIds` if a subset is needed. Optional fields include `visualizationOptions` for 8-bit RGB displays and `grid` for reprojection/clipping. `filenamePrefix` is for ZIPPED_GEO_TIFF outputs. A key action is to use `create` to generate a thumbnail ID.\n"]]