در صورت وجود، مجموعه خاصی از باندها را مشخص می کند که از نتیجه ارزیابی expression انتخاب می شوند. اگر وجود نداشته باشد، تمام باندهای حاصل از expression انتخاب خواهند شد.
تاریخ آخرین بهروزرسانی 2025-07-25 بهوقت ساعت هماهنگ جهانی.
[[["درک آسان","easyToUnderstand","thumb-up"],["مشکلم را برطرف کرد","solvedMyProblem","thumb-up"],["غیره","otherUp","thumb-up"]],[["اطلاعاتی که نیاز دارم وجود ندارد","missingTheInformationINeed","thumb-down"],["بیشازحد پیچیده/ مراحل بسیار زیاد","tooComplicatedTooManySteps","thumb-down"],["قدیمی","outOfDate","thumb-down"],["مشکل ترجمه","translationIssue","thumb-down"],["مشکل کد / نمونهها","samplesCodeIssue","thumb-down"],["غیره","otherDown","thumb-down"]],["تاریخ آخرین بهروزرسانی 2025-07-25 بهوقت ساعت هماهنگ جهانی."],[[["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"]]