STAC
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SpatioTemporal Asset Catalogs (STAC) use a common language to describe geospatial information, so it can more easily be worked with, indexed, and discovered.
This feature is only available to customers on the Enterprise plan. To upgrade, contact sales.
Felt can connect to both static STAC catalogs and dynamic STAC APIs:
Click + New Source
Select STAC
Enter Connection Details
Source Name
: name of the source in Felt
URL
: the URL of your WFS source.
Set authentication if necessary (see next section)
Click Connect
Once connected you will see a catalog of your data with previews for your new source
From here you can add any of these layers to your spatial dashboards!
If your STAC is private, you may configure credentials for both the STAC API itself or the assets linked in the STAC Items. For example, you may have a public STAC API (no authentication needed) that points to private assets in AWS S3 or Google Cloud Storage, which require appropriate permission to access.
If your assets are hosted in Amazon's Simle Storage Service (better known as S3), you will need to allow Felt to assume an IAM role on your account:
Create a policy that allows listing and reading objects in the S3 buckets where your assets are located. It should be able to perform the following actions:
s3:GetObject
s3:GetObjectVersion
s3:ListBucket
s3:GetBucketLocation
Create an IAM role and attach the afforementioned policy to it.
Create a Trust Relationship for said role that allows Felt to access your assets. Make sure to include all the principals listed below:
Specify key/value pairs of custom headers to be added in each request. For example, if your STAC requires Bearer Authentication:
Header name: Authorization
Value: Bearer {YOUR_AUTH_TOKEN}
To access objects stored in Google Cloud Storage, upload a JSON key file for Service Account with access to the Storage Object Viewer
role in the buckets of your choice.
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