参考文章:

哨兵2号(Sentinel-2)介绍、下载、预处理及批处理_GeoSuper的博客-CSDN博客_哨兵2号

Sentinel-2批量大气校正_基于Sen2Cor_GeoSuper的博客-CSDN博客_sen2cor批量大气校正

sentinel-2数据下载 大气校正 转ENVI格式_乌梅呓声的博客-CSDN博客_snap转envi


sen2cor下载地址:     Sen2Cor – STEP

Two different versions of Sen2Cor are available:

Sen2Cor_v2.8 is the latest release supporting Sentinel-2 L1C data generated with the current (14.5) and previous (14.2) Products Specification Document, as input. Sen2Cor_v2.8 release contains new features and improvements respect to Sen2Cor_v2.5.5.

Sen2Cor_v2.5.5 is the previous release and it is needed if the user intends to process old Sentinel-2 L1C data generated with the Products Specification Document older than 14.2 and not reprocessed by ESA.

下载zip,解压后进入文件夹,如图。按shift同时右键选择在此处进入命令行。

大气校正后:

大气校正之后可在SNAP进行后续的应用,当然也可以在SNAP里针对特定波段进行导出成tif格式,在其他平台例如erdas、envi中进行操作。

SNAP下载:Download – STEP

Windows 64-Bit Windows 32-Bit Mac OS X Unix 64-bit
Sentinel Toolboxes These installers contain the Sentinel-1Sentinel-2Sentinel-3Toolboxes
Download Download Download Download
SMOS Toolbox These installer contains only the SMOS Toolbox.
Download also the Format Conversion Tool (Earth Explorer to NetCDF) and the user manual.
Download Download Download Download
All Toolboxes These installers contain the Sentinel-1Sentinel-2Sentinel-3Toolboxes, SMOS and PROBA-V Toolbox
Download Download Download Download
输入L2A_Process.bat –help,得到如下图所示结果即为成功。下一步即可进行大气校正

Microsoft Windows [版本 10.0.14393]
(c) 2016 Microsoft Corporation。保留所有权利。
C:\Users\Administrator>cd Sen2Cor-02.08.00-win64
C:\Users\Administrator\Sen2Cor-02.08.00-win64>L2A_Process --help
usage: L2A_Process.py [-h] [--mode MODE] [--resolution {10,20,60}]
                      [--datastrip DATASTRIP] [--tile TILE]
                      [--output_dir OUTPUT_DIR] [--work_dir WORK_DIR]
                      [--img_database_dir IMG_DATABASE_DIR]
                      [--res_database_dir RES_DATABASE_DIR]
                      [--processing_centre PROCESSING_CENTRE]
                      [--archiving_centre ARCHIVING_CENTRE]
                      [--processing_baseline PROCESSING_BASELINE] [--raw]
                      [--tif] [--sc_only] [--cr_only] [--debug]
                      [--GIP_L2A GIP_L2A] [--GIP_L2A_SC GIP_L2A_SC]
                      [--GIP_L2A_AC GIP_L2A_AC] [--GIP_L2A_PB GIP_L2A_PB]
                      input_dir

Sentinel-2 Level 2A Processor (Sen2Cor). Version: 2.8.0, created: 2019.02.20,
supporting Level-1C product version 14.2 - 14.5.

positional arguments:
  input_dir             Directory of Level-1C input

optional arguments:
  -h, --help            show this help message and exit
  --mode MODE           Mode: generate_datastrip, process_tile
  --resolution {10,20,60}
                        Target resolution, can be 10, 20 or 60m. If omitted,
                        only 20 and 10m resolutions will be processed
  --datastrip DATASTRIP
                        Datastrip folder
  --tile TILE           Tile folder
  --output_dir OUTPUT_DIR
                        Output directory
  --work_dir WORK_DIR   Work directory
  --img_database_dir IMG_DATABASE_DIR
                        Database directory for L1C input images
  --res_database_dir RES_DATABASE_DIR
                        Database directory for results and temporary products
  --processing_centre PROCESSING_CENTRE
                        Processing centre as regex: ^[A-Z_]{4}$, e.g "SGS_"
  --archiving_centre ARCHIVING_CENTRE
                        Archiving centre as regex: ^[A-Z_]{4}$, e.g. "SGS_"
  --processing_baseline PROCESSING_BASELINE
                        Processing baseline in the format: "dd.dd", where
                        d=[0:9]
  --raw                 Export raw images in rawl format with ENVI hdr
  --tif                 Export raw images in TIFF format instead of JPEG-2000
  --sc_only             Performs only the scene classification at 60 or 20m
                        resolution
  --cr_only             Performs only the creation of the L2A product tree, no
                        processing
  --debug               Performs in debug mode
  --GIP_L2A GIP_L2A     Select the user GIPP
  --GIP_L2A_SC GIP_L2A_SC
                        Select the scene classification GIPP
  --GIP_L2A_AC GIP_L2A_AC
                        Select the atmospheric correction GIPP
  --GIP_L2A_PB GIP_L2A_PB
                        Select the processing baseline GIPP

大气校正 步骤如下:
对10m的数据进行大气校正,进入数据所在文件夹下,键入命令:
C:\Users\Administrator\Sen2Cor-02.08.00-win64>L2A_Process.bat  --resolution 10 C:\Users\Administrator\Sen2Cor-02.08.00-win64\S2A_MSIL1C_20191005T030601_N0208_R075_T49RFL_20191005T060401\S2A_MSIL1C_20191005T030601_N0208_R075_T49RFL_20191005T060401.SAFE 

对所有数据进行大气校正,命令如下:
C:\Users\Administrator\Sen2Cor-02.08.00-win64>L2A_Process C:\Users\Administrator\Sen2Cor-02.08.00-win64\S2A_MSIL1C_20191005T030601_N0208_R075_T49RFL_20191005T060401\S2A_MSIL1C_20191005T030601_N0208_R075_T49RFL_20191005T060401.SAFE
Sentinel-2 Level 2A Processor (Sen2Cor). Version: 2.8.0, created: 2019.02.20, supporting Level-1C product version 14.2 - 14.5 started ...
Product version: 14.5
Operation mode: TOOLBOX
Processing baseline: 99.99
Progress[%]:  0.00 : Generating datastrip metadata
L1C datastrip found, L2A datastrip successfully generated
No resolution specified, will process 20 and 10 m resolution
20 m resolution will be downsampled to 60 m
Progress[%]: 0.09 : PID-11104, L2A_ProcessTile: processing with resolution 20 m, elapsed time[s]: 2.353, total: 0:00:08.932000
Progress[%]: 0.09 : PID-11104, L2A_ProcessTile: start of pre processing, elapsed time[s]: 0.001, total: 0:00:08.933000
Progress[%]: 0.09 : PID-11104, L2A_Tables: start import, elapsed time[s]: 0.044, total: 0:00:08.977000
Progress[%]: 0.11 : PID-11104, L2A_Tables: band B01 imported, elapsed time[s]: 0.281, total: 0:00:09.258000
Progress[%]: 0.27 : PID-11104, L2A_Tables: band B02 imported, elapsed time[s]: 4.137, total: 0:00:13.395000
Progress[%]: 0.46 : PID-11104, L2A_Tables: band B03 imported, elapsed time[s]: 4.832, total: 0:00:18.227000
Progress[%]: 0.66 : PID-11104, L2A_Tables: band B04 imported, elapsed time[s]: 5.062, total: 0:00:23.289000
Progress[%]: 0.79 : PID-11104, L2A_Tables: band B05 imported, elapsed time[s]: 3.494, total: 0:00:26.783000
Progress[%]: 0.87 : PID-11104, L2A_Tables: band B06 imported, elapsed time[s]: 1.903, total: 0:00:28.686000
Progress[%]: 0.94 : PID-11104, L2A_Tables: band B07 imported, elapsed time[s]: 1.940, total: 0:00:30.626000
Progress[%]: 1.02 : PID-11104, L2A_Tables: band B8A imported, elapsed time[s]: 1.908, total: 0:00:32.534000
C:\Users\Administrator\Sen2Cor-02.08.00-win64>

安装该软件,打开页面如下:

安装后可以在SNAP中将数据转为ENVI等格式输出,操作流程为打开SNAP,点击file-open product,选择需要转格式输出的数据.safe文件,选择MTD开头的.xml文件。

打开后不能直接用file-export-ENVI进行转换,这样做会弹出错误信息:

应当首先进行resampling。点击raster- geometric operations- resampling,选择resampling parameters,调节参数,点击run。

完成后SNAP左侧会出现操作完成后的结果。选中它再点击file - export- ENVI即可完成。转出后的格式可以用ENVI打开。

切记!切记!!!

情况缓冲在系统盘中的数据

记住一定要及时情清空文件中的缓冲数据,太占用内存了,如下是路径
                        
C:\Users\Administrator\.snap\var\cache\s2tbx\l2a-reader\7.0.0

把里面新生产的产物删除即可。这个bagel不知道为什么欧空局不纠正。

补充(转换成ENVI格式)

    ENVI5.1无法直接打开Sentinel数据,但大家对ENVI操作会更加熟练,这里补充说明下如何用ENVI5.1打开Sentinel数据,主要就是重采样并转换格式。

     这里建议以10m重采样。若以B1波段重采样的话,结果所有波段都会为60m分辨率,数据质量会下降。而设置为10m或者以B2波段重采样,结果波段的空间分辨率变为10m,这对于非10m分辨率的波段,虽然分辨率提高了,但实质并无变化。

    重采样后的结果就可以导入ENVI5.1中显示了,但其存储方式是一个波段一个文件,在ENVI中融合一下(ENVI中搜索layer stacking工具)就可以得到多波段文件了。

GitHub 加速计划 / sentine / Sentinel
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alibaba/Sentinel: Sentinel 是阿里巴巴开源的一款面向分布式服务架构的流量控制、熔断降级组件,提供实时监控、限流、降级和系统保护功能,适用于微服务治理场景。
最近提交(Master分支:3 个月前 )
222670e6 * fix: Endpoint#toString host formatting; add Endpoint unit test * test: remove empty EndpointTest.java (fix accidental PR changes) --------- Signed-off-by: 赖尧 <yujitang_2006@qq.com> 5 天前
e7a9c560 * chore: remove node_modules from git & add to .gitignore * fix(docs): normalize README table style (MD060) across adapters and cluster modules * docs: fix compact table style in parameter flow README * docs: fix markdownlint MD009 and MD060 in README files * docs: fix table format in parameter-flow-control README (MD060/MD009) * docs: fix table format in spring-webmvc README files (MD060/MD009) * fix: restore UTF-8 encoding and fix markdownlint errors * fix: wrap remaining bare URLs with angle brackets (MD034) * fix: remove trailing spaces from table rows (MD009) --------- Signed-off-by: 赖尧 <yujitang_2006@qq.com> 10 天前
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