ImageFileFormat
با مجموعهها، منظم بمانید
ذخیره و طبقهبندی محتوا براساس اولویتهای شما.
جز در مواردی که غیر از این ذکر شده باشد،محتوای این صفحه تحت مجوز Creative Commons Attribution 4.0 License است. نمونه کدها نیز دارای مجوز Apache 2.0 License است. برای اطلاع از جزئیات، به خطمشیهای سایت Google Developers مراجعه کنید. جاوا علامت تجاری ثبتشده Oracle و/یا شرکتهای وابسته به آن است.
تاریخ آخرین بهروزرسانی 2025-07-24 بهوقت ساعت هماهنگ جهانی.
[null,null,["تاریخ آخرین بهروزرسانی 2025-07-24 بهوقت ساعت هماهنگ جهانی."],[[["\u003cp\u003eSelects an image file format for returning pixel data, supporting various formats like JPEG, PNG, NPY, GeoTIFF, and TFRecord.\u003c/p\u003e\n"],["\u003cp\u003eJPEG and PNG formats are intended for display and support 8-bit RGB data or data converted to 8-bit RGB.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eAUTO_JPEG_PNG\u003c/code\u003e automatically chooses between JPEG or PNG based on transparency, also for display and 8-bit RGB data.\u003c/p\u003e\n"],["\u003cp\u003eSpecialized formats like NPY, GeoTIFF, and TFRecord cater to numerical data, geospatial data, and TensorFlow image exports, respectively.\u003c/p\u003e\n"],["\u003cp\u003eZipped GeoTIFF options are available specifically for thumbnail creation, offering single or per-band files.\u003c/p\u003e\n"]]],["The system defines image file formats for returning pixel data. Available formats include `JPEG`, `PNG`, `AUTO_JPEG_PNG` (automatic selection), `NPY` (NumPy), `GEO_TIFF`, `TF_RECORD_IMAGE`, `ZIPPED_GEO_TIFF`, and `ZIPPED_GEO_TIFF_PER_BAND`. JPEG, PNG, and automatic formats are for display, supporting 8-bit RGB data. `ZIPPED_GEO_TIFF` and `ZIPPED_GEO_TIFF_PER_BAND` are for thumbnails. TF_RECORD_IMAGE is for image exports. `IMAGE_FILE_FORMAT_UNSPECIFIED` indicates an undefined type.\n"],null,["# ImageFileFormat\n\nSelects an image file format in which to return a block of pixel data.\n\n| Enums ||\n|---------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `IMAGE_FILE_FORMAT_UNSPECIFIED` | Unspecified. |\n| `JPEG` | JPEG. Intended for display purposes. Only supported for 8-bit RGB data, or data that is converted to 8-bit RGB via `visualization` parameters. |\n| `PNG` | PNG. Intended for display purposes. Only supported for 8-bit RGB data, or data that is converted to 8-bit RGB via `visualization` parameters. |\n| `AUTO_JPEG_PNG` | Automatically select JPEG or PNG depending on whether or not there is any transparency. Intended for display purposes. Only supported for 8-bit RGB data, or data that is converted to 8-bit RGB via `visualization` parameters. |\n| `NPY` | NumPy .npy format. |\n| `GEO_TIFF` | GeoTIFF format. |\n| `TF_RECORD_IMAGE` | TFRecord format. Only supported for image exports. |\n| `ZIPPED_GEO_TIFF` | A format which returns a GeoTIFF file wrapped in a zip file. This is only available when using CreateThumbnail. |\n| `ZIPPED_GEO_TIFF_PER_BAND` | A format which returns a GeoTIFF file for each band, wrapped in a zip file. This is only available when using CreateThumbnail. |"]]