Allows the ImageMosaic plugin to handle granules having different
overviews/resolutions
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Key: GEOT-3317
URL: http://jira.codehaus.org/browse/GEOT-3317
Project: GeoTools
Issue Type: Improvement
Components: gc imagemosaic
Affects Versions: 2.7-M3
Reporter: Daniele Romagnoli
Assignee: Daniele Romagnoli
Priority: Minor
Actually, the imageMosaic plugin allows to do mosaicking of different datasets
(granules) having each one:
- same CRS
- same sampleModel/colorModel
- same overviews structure (if overviews are present)... (As an instance, each
granule has 5 overviews, with subsampling factors: 2 4 8 16 32, respectively)
- similar resolution
We would like to allow mosaicking granules with:
- same CRS
- same sampleModel/colorModel
but
- different resolution and different overviews structure.
As an instance, we would like to mosaic together:
- an RGB-Byte WGS84 GeoTIFF with 4 overviews (2 4 8 16) and resX = 0.0003
degrees
- an RGB-Byte WGS84 GeoTIFF with 5 overviews (2 4 8 16 32) and resX = 0.004
degrees
- an RGB-Byte WGS84 GeoTIFF with 3 overviews (4 16 64) and resX = 0.0008 degrees
This will allow to improve the mosaicking capabilities on dealing with
"heterogeneous granules" (Note that "same CRS" and "same
sampleModel/colorModel" constraints remain).
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