4. Input Output Data Definition (IODD)¶

4.1.1. Purpose and Scope¶

The purpose of the Input / Output Data Definition document (IODD) is to provide a precise description of the input and output files and parameters as used and generated by the Sen2Three Level 3 processor.

4.1.2. Applicable Documents¶

Table 4-1: Applicable Documents

4.1.3. Reference Documents¶

Table 4-2: Reference Documents

4.1.4. Acronyms and Abbreviations¶

All acronyms and abbreviations are listed in [L3-GLODEF]

4.1.5. Document Structure¶

This is the final part of a set of four documents describing the Sentinel 2 Level 3 Processor for Spatio- Temporal synthesis, consisting of:

1. Software Installation and User’s Manual (SUM);
2. Detailed Processing Model Documentation (DPMD);
3. Product Format Specification (PFS);
4. Input Output Data Definition (IODD), this document.

4.2.1. Ground Image Processing Parameter (GIPP)¶

The GIPP are the user configurable parameter driving the processing steps. All GIPP are collected in an xml data structure called L3_GIPP.xml. This is by default located in the cfg folder of the Sen2Three home directory. The Sen2Three’s home directory is referenced by the environment variable $SEN2THREE_HOME. Details as given in the Sen2Three Installation. The class L3_Config, together with helper class L3_XmlParser provides the necessary facilities for reading the GIPP. The tables below give an overview on the configuration parameters. The complete xsd scheme is detailled in L3_GIPP.

Table 4-3: Log level configuration

Table 4-4: Common configuration parameter

Table 4-5: Level 3 synthesis

Table 4-6: Algorithm

Table 4-7: Radiometric preference

Table 4-8: Other options

Table 4-9: Classification map

4.2.2. Image Data¶

The image data are provided in form of standard Level 2A data format as processed in advance by the Sen2Cor application. The Sen2Three processor will check in ahead, which resolutions are provided in the input data and will only process those resolutions which are available.

Table 4-10: Level 2A image data specification

4.3.1. Image Data¶

Table 4-11: Level 3 image data specification

4.3.2. Metadata¶

Table 4-12 below keeps a statistics of the contents of the scene classification map. The scene classification map is located in the QI_DATA folder of the corresponding tile for the given resolution.

Table 4-12: Level 3 statistics on pixel level (absolute)

Table 4-13: Level 3 statistics on pixel level (percentage)

Table 4-14 below keeps a statistics of the contents of the mosaic map. Each tile with an equivalent tile ID wil be represented by an increasing tile number in the mosaic map, where it’s tile ID can be matched to the corresponding tile number. The mosaic map is located in parallel to the scene classification map in the QI_DATA folder of the corresponding tile.

Table 4-14: Level 3 statistics on pixel level (mosaic map)