[[["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):2025-07-25。"],[[["Thumbnails are representations of images, generated by evaluating an expression that results in an image."],["They can be customized with visualization options, band selections, and reprojection/clipping using a pixel grid."],["Thumbnail creation involves providing parameters like expression, file format, and optionally visualization options, band IDs, grid, and filename prefix."],["Users can initiate thumbnail creation and retrieve image data using designated API methods."]]],["Thumbnails are created with a name, an expression that evaluates to an image, and a specified file format. Band IDs can be selected from the expression's result, and visualization options can be applied for 8-bit RGB output. A pixel grid can define image reprojection and clipping. A filename prefix is used for ZIPPED_GEO_TIFF output. The `create` method generates a thumbnail ID, and `getPixels` computes and renders the image.\n"]]