Andrea Aime (
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Ae9469ffc-5e16-4c2b-b7b0-b9c46e912f9e
) *created* an issue
GeoServer (
https://osgeo-org.atlassian.net/browse/GEOS?atlOrigin=eyJpIjoiMmJhN2IwYmUxYThkNDI3ZjhiYzcxOTc2ODM3ZDI1NTkiLCJwIjoiaiJ9
) / Bug (
https://osgeo-org.atlassian.net/browse/GEOS-10083?atlOrigin=eyJpIjoiMmJhN2IwYmUxYThkNDI3ZjhiYzcxOTc2ODM3ZDI1NTkiLCJwIjoiaiJ9
) GEOS-10083 (
https://osgeo-org.atlassian.net/browse/GEOS-10083?atlOrigin=eyJpIjoiMmJhN2IwYmUxYThkNDI3ZjhiYzcxOTc2ODM3ZDI1NTkiLCJwIjoiaiJ9
) OGC API Tiles could set headers informing client about empty areas and solid
areas (
https://osgeo-org.atlassian.net/browse/GEOS-10083?atlOrigin=eyJpIjoiMmJhN2IwYmUxYThkNDI3ZjhiYzcxOTc2ODM3ZDI1NTkiLCJwIjoiaiJ9
)
Issue Type: Bug Assignee: Andrea Aime (
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Ae9469ffc-5e16-4c2b-b7b0-b9c46e912f9e
) Created: 27/May/21 1:03 PM Priority: Medium Reporter: Andrea Aime (
https://osgeo-org.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Ae9469ffc-5e16-4c2b-b7b0-b9c46e912f9e
)
>From the spec:
If a requested tile is empty (no data) and all tiles within its extent at all
more detailed zoom levels (tile matrices) are guaranteed to also be empty, the
response header SHOULD include OATiles-hint: empty.
and:
If a requested tile is full (e.g. the inside of a polygon for vector features,
a solid color for a map, or a grid completely filled with the same value for a
coverage) and all tiles within its extent at all more detailed zoom level (tile
matrices) are guaranteed to also be identically full, the response header
SHOULD include OATiles-hint: full.
Not a requirement, but a nice to have. Would require saving some
meta-information at the tile level, I suppose. It's not the same as not
returning data for an empty tile, these headers guarantee empty/solid content
for all subsequent zoom levels too, different logic is needed to determine the
situation.
(
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