Questions tagged [stac]
Related to the SpatioTemporal Asset Catalog (STAC-spec)
16
questions
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10
views
Store remote sensing metadata created from STAC into PostgreSQL/PostGIS
I have created some STAC catalogs for remote sensing data (Landsat, etc.) that I would like to store in PostgreSQL/PostGIS for easier access and management. How would I import the STAC created ...
- 3
1
vote
0
answers
29
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Landsat from Planetary Computer unexpectedly turns up all no data in some regions
Using some code that gathers Landsat 8 collections from Microsoft Planetary Computer into Open Data Cube xarray using a stac search works fine in some regions but in others returns all nan values. ...
- 307
3
votes
1
answer
84
views
How to authenticate to download images from https://landsatlook.usgs.gov/stac-server
I am building a QGIS plugin in Python to fetch Landsat images from this STAC server:
https://landsatlook.usgs.gov/stac-server
I need to be able to download the thumbnails, but cannot find how to ...
- 300
0
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40
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Querying CDSE stac via python
I'm trying to query Sentinel 2 data from the "new" CDSE stac (docs are here). The docs seems very low level and without any working example code.
The problem I am facing is the only response ...
- 1,600
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33
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Error when trying to access NASA HLS dataset requiring netrc authentication using R and gdalcubes
I am using gdalcubes to process Sentinel 2 data (https://github.com/appelmar/gdalcubes). The code I use works perfectly with S 2 data on AWS. But when trying to use the Harmonized Landsat-Sentinel ...
- 26
0
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answers
72
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Validating stac-fastapi properly
I've imported S2A_OPER_MSI_L2A_TL_SGS__20181231T210250_A018414_T10SDG from https://github.com/stactools-packages/sentinel2 into https://github.com/stac-utils/stac-fastapi (running docker-compose ...
- 101
0
votes
1
answer
89
views
Authenticating against Earth Search API or STAC API to get raster images
I'm fairly new to the GIS domain and must query the Earth Search API to get some imagery. these endpoints do not require authentication:
https://earth-search.aws.element84.com/v0/search
https://sat-...
- 9
1
vote
1
answer
207
views
How to build STAC of local raster files?
How to build a stac index for geotiff and other rasters on local file systems and Windows server shares? It would later be consumed by something like stac-browser
- 28k
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votes
1
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207
views
"GDALWarpOptions.Validate(): hSrcDS is not set" when reading a VRT pointing to a STACTA
Using rasterio.open() I was trying to read a VRT. This VRT pointed to another VRT and this in turn pointed to a STACTA file.
This error message appeared:
rasterio.errors.RasterioIOError: Read or write ...
- 3,582
0
votes
1
answer
155
views
Pixel value differences in image downloaded through STAC api & Sentinel hub api
I downloaded same tile from AWS & Sentinel API. I compared pixel values for both and they differ by 1000.
For example, consider red band.
The value at 0,0 (row,column) for the image from Sentinel ...
- 55
1
vote
1
answer
551
views
Create STAC catalog file for my s3 bucket
I have s3 private bucket which contains .tif files.
Now, I need to create STAC file like the following:
https://earth-search.aws.element84.com/v0
https://earthengine-stac.storage.googleapis.com/...
- 77
1
vote
2
answers
201
views
How can I cover an AOI with a subset of image extents?
I’ve been experimenting with a problem that I have not found a friendly and simple solution for yet. Curious to know if any of you have already solved this problem.
Given a AOI and a set of image ...
2
votes
1
answer
232
views
Data indexing from DEAfrica STAC is not working
I am trying to index some Sentinel-1 data from the DEAfric STAC catalogue and have added the product using the following command
docker-compose exec jupyter datacube product add https://raw....
- 115
2
votes
1
answer
339
views
Intake-STAC: KeyError: 'open_stac_item_collection'
I downloaded the AWS Earth search notebook from the intake-stac examples and whithout changing anything. Just run the cells...
But I've got everytime the error: KeyError: 'open_stac_item_collection'
...
- 153
2
votes
1
answer
505
views
Is there any STAC catalog available for Sentinel-2 data on Google Cloud?
We are looking for a fast and optimum way of discovering and downloading Sentinel-2 data from Google Cloud using Python.
We have tried using index data in BigQuery and it works. However, we have also ...
- 21
3
votes
1
answer
460
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What is the difference in purpose between STAC and OGC services?
I am confused about the purpose of the Spatiotemporal Asset Catalog. How does it differ from OGC services which specify accessing data through various services? Is it another service?
- 43