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STAC Collections Panel

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Marten edited this page Jul 3, 2025 · 1 revision

In Geoportal Server 3.0.1 we introduced the STAC Collections panel. This panel can be used to create, update, and delete STAC Collections. The Collections panel is shown below:

image

The panel includes a basic list of defined collections with the ability to create a new collection, update existing collections, or delete collections.

Functions in the list view:

  • New - create a new collection. See below.
  • Delete - Delete the selected collections. Beware!
  • image - Zoom to the selected collection and show its details in the details panel below the list.

Functions in the details view:

  • Zoom - zoom to the collection spatial extent
  • Update - access the collection editing panel (see below)

After selecting New or Update, the following view is activated for creating a new Collection or updating an existing Collection:

image

Functions in the new/update panel:

  • Geometry - The geometry of the Collection can be created or updated using the geometry toolbar. Updating an existing geometry is possible by dragging the handles to size/move/rotate the geometry, and/or clicking the geometry to edit the vertices.
  • Add Asset - Collections may have assets (just like Items). A special use of the assets is to store a custom/local coordinate reference system (CRS) that the Collection supports. Other assets may be files or external links associated with the Collection. TO add an Asset, first fill in the key. After this, click Add Asset+ to reveal the Asset details: Asset key (already set), Title (a more readable name for the Asset), HREF (a link to a file or website), and optionally esri:wkt. When registering local/custom CRS for a Collection, put an Esri well-known-text (WKT) representation of the CRS in the esri:wkt field of the asset. The asset key becomes the 'identifier' of the CRS when referring to it in a STAC Item. This is only needed/used if canStacGeomTransform is true in app-config.xml.
  • Remove Asset - Use this function to remove the selected Asset from the Collection.
  • Cancel - leave the new/update panel without modifying the Collection information
  • Update Collection - save the updates and return to the list view.
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