#6233 closed defect (fixed)

JP2OpenJPEG: optimize for Sentinel 2 granules

Reported by: Even Rouault Owned by: Even Rouault
Priority: normal Milestone: 2.1.0
Component: GDAL_Raster Version: unspecified
Severity: normal Keywords: jpeg2000
Cc:

Description

Sentinel 2 JPEG2000 tiles are 2048x2048 tiled, even for small datasets, such 60m resolution bands of dimension 1830x1830, or RGB previews of dimension 343x343. Currently we expose those datasets with a block of size 2048x2048, which is a waste of (cache) memory.

Change History (1)

comment:1 Changed 19 months ago by Even Rouault

Milestone: 2.1.0
Resolution: fixed
Status: newclosed

trunk r31746 "OpenJPEG: do not expose block dimensions larger than dataset dimensions to avoid wasting memory (#6233)"

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