[gdal-dev] STACIT driver seems to return only a subset of all matches

[Darius A. Görgen]

Thanks, that actually makes sense, if the aim of the driver is to create 
a mosaic. It was not totally clear to me how overlapping tiles would be 
handled reading the docs. So, I understand it is a "last-items-first" 
approach until the whole area-of-interest has effectively been covered?

On 15.01.24 13:18, Even Rouault wrote:
> Hi,
> 
> the STACIT driver has logic to remove the items that are overlapped by 
> others, to keep only those participating effectively to the mosaic.
> 
> Even
> 
> Le 15/01/2024 à 11:47, Darius A. Görgen via gdal-dev a écrit :
>> Hi everyone,
>>
>> I am trying to use the STACIT driver under GDAL 3.8.2 to access some 
>> Sentinel-2 data on MPC.
>> However, it seems that using the driver returns only a part of all 
>> matching items to my query.
>>
>> For example, if I issue:
>>
>> ```
>> gdalinfo -json 
>> "STACIT:\"https://planetarycomputer.microsoft.com/api/stac/v1/search?collections=sentinel-2-l2a&bbox=-71,18,-70.5,18.5&datetime=2019-01-01T00:00:00%2F2019-01-31T00:00:00\"":asset=B03 >> gdal_output.json
>>
>> jq '.files | length' gdal_output.json
>>
>> ```
>>
>> I get an output value of 4.
>>
>> Where as:
>>
>> ```
>> wget -q -O stac_output.json 
>> "https://planetarycomputer.microsoft.com/api/stac/v1/search?collections=sentinel-2-l2a&bbox=-71,18,-70.5,18.5&datetime=2019-01-01T00:00:00%2F2019-01-31T00:00:00"
>>
>> jq '.features | length' stac_output.json
>>
>> ```
>>
>> delivers and output of 36.
>>
>> So it seems that some of the matching items are not caught by the 
>> STACIT driver?
>> Any advise?
>>
>> Best,
>>
>> Darius.
>> _______________________________________________
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>> gdal-dev at lists.osgeo.org
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> 

-- 
Darius A. Görgen (M.Sc. Physical Geography)

Spatial Data Science | Remote Sensing | ML | Open Source

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