adding version of the geozarr driver to STAC metadata #295

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1. shollendEODC

   added

   questionFurther information is requestedFurther information is requested

   on Sep 30, 2026
2. shollendEODC commented on Sep 30, 2026

   

   shollendEODC

   on Sep 30, 2026

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   No, that would be easy. We have discussed the issue previously but didnt decide yet on how and what we want to add. There are several options based on a random S2 L2A sample I converted with cpm 3.0.0 (these are the same for all products as they are introduced by cpm)

   i would prefer Option 1

   Metadata from sample.zarr/zarr.json

   Option 1: in stac_discovery

   "attributes": {
       "stac_discovery": {
           "properties": {
               "processing:software": {
                   -> add here: "EOPF_GEOZARR": "version tag",
                   "EOPF_CPM": "3.0.0",
                   "COMMON_PFSD": "3.0.0",
                   "SPECIFIC_PFSD": "1.1.0",
                   "EOPF_MAPPING": "1.0.0",
                   "EOPF_MODEL": "1.0.0"
                   }
           }
       }
   }
   

   Option 2: in attributes:
   Here we have entries for each processor, we could append an attribute to the EOPF-CPM processor (Option 2.1)(but they are rigidly structured and we would likely deter from some convention inside CPM), or add a new entry altogether (Option 2.2) (but its not an additional processor but actually a part plugged into CPM)

   Option 2.1

   "attributes": {
       "processing_history": {
           "Level-2A Product": {
              ...,
             {
                 "processor": "EOPF-CPM",
                 "version": "3.0.0",
                 "facility": "CS-SopraSteria",
                 "time": "2026-09-18T11:11:33.341897Z",
                 "inputs": [
                   "/.../S2C_MSIL2A_20260716T100601_N0512_R022_T32UQU_20260716T152417.SAFE"
                 ],
                 "outputs": [
                   "/.../S2C_MSIL2A_20260716T100601_N0512_R022_T32UQU_20260716T152417.zarr"
                 ]
                 -> add here: "EOPF_GEOZARR": "version tag",
           }
       }
   }
   

   Option 2.2

   "attributes": {
       "processing_history": {
           "Level-2A Product": {
              ...,
             {
                 "processor": "EOPF-CPM",
                 "version": "3.0.0",
                 "facility": "CS-SopraSteria",
                 "time": "2026-09-18T11:11:33.341897Z",
                 "inputs": [
                   "/.../S2C_MSIL2A_20260716T100601_N0512_R022_T32UQU_20260716T152417.SAFE"
                 ],
                 "outputs": [
                   "/.../S2C_MSIL2A_20260716T100601_N0512_R022_T32UQU_20260716T152417.zarr"
                 ]
            },
                 -> add here:
             {
                 "processor": "EOPF-GEOZARR",
                 "version": "version tag",
                 "facility": "?",
                 "time": "2026-09-18T11:11:33.341897Z",
                 "inputs": [
                   "/.../S2C_MSIL2A_20260716T100601_N0512_R022_T32UQU_20260716T152417.SAFE"
                 ],
                 "outputs": [
                   "/.../S2C_MSIL2A_20260716T100601_N0512_R022_T32UQU_20260716T152417.zarr"
                 ]
           }
   
       }
   }
   

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3. lhoupert commented on Sep 30, 2026

   

   lhoupert

   on Sep 30, 2026

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   option1 looks good, what do you think @emmanuelmathot ?

   👍React with 👍3Reacted by Claudio Schein-Navacchi, Emmanuel Mathot and shollendEODC
4. emmanuelmathot commented on Sep 30, 2026

   

   emmanuelmathot

   on Sep 30, 2026

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   STAC is fine. Thx
5. emmanuelmathot

   assigned

   shollendEODC

   on Oct 1, 2026
6. shollendEODC commented on Oct 6, 2026

   

   shollendEODC

   on Oct 6, 2026

   Last edited by shollendEODC

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   First implementation done here in my fork: https://github.com/shollendEODC/data-model/tree/integrate/cpm-geozarr-main-feat-add-geozarr-version

   Cloned from 039f38c0a617a89d95c9df247d59edd1dae9732f, once the PR #292 is resolved this can be opened as a new PR (no issues expected, will have to redo fixtures to represent metadata changes).

   Example if processed on the current git commit for S1 GRDH:

   "processing:software": {
             "Sentinel-1 IPF": "003.71",
             "EOPF_CPM": "3.0.0",
             "COMMON_PFSD": "3.0.0",
             "SPECIFIC_PFSD": "4.1.0",
             "EOPF_MAPPING": "1.0.0",
             "EOPF_MODEL": "1.0.0",
             "EOPF_GEOZARR": "v0.12.0-50-g039f38c-dirty"
           },
   

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