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Make Geoserver handle a multi-band Geotiff as a temporal mosaic. Each band represents a time slice. The temporal reference is related to the bands in the following way:
data.tif#band1: 01-2006
data.tif#band2: 02-2006
data.tif#band2: 03-2006
....
data.tif#bandN: 12-2099
Rationale:
1) Although it is possible to use the temporal mosaic, for large collections of time slices this means an unnecessary occupation of free file handles and inodes.
2) Convenience; typical use case in space-time applications
Requirements:
1) optimize the tiff reader in terms of efficiency to handle tiff files with large directories
2) Create a lookup mechanism that maps individual bands to timestamps (instant) or temporal intervals (start-end)
see related discussion on geoserver-users:
http://osgeo-org.1560.x6.nabble.com/Temporal-mosaic-on-multi-band-GeoTiff-td5151372.html
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