[Gfoss] rilascio RasterLite 1.0
Alessandro Furieri
a.furieri a lqt.it
Lun 6 Lug 2009 15:26:50 CEST
Per chi ancora si ricorda la presentazione preliminare
dei "raster su SpatiaLite" tenuta al GFOSS meeting
di Cagliari, finalmente ho rilasciato il SW
saluti,
Sandro
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Hi list,
today I released RasterLite, a really simple SpatiaLite-based
C API [and related command-line management tools] supporting
Raster Data Sources in a SpatiaLite DB.
http://www.gaia-gis.it/spatialite [or]
http://www.gaia-gis.it/spatialite-2.3.1
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RasterLite implements TILING and multi-level PYRAMIDS, and
take full profit from RTree-based Spatial Indexing.
Individual tiles can be stored at your choice as:
TIFF [supporting monochrome CCITT FAX-4 compression]
PNG [loseless compression]
GIF [loseless compression]
JPEG [lossy compression]
WAVELET [lossy compression]
As from my preliminary testings, RasterLite is able to
handle really huge Raster Data Sources [several GB-sized]
in a really efficient and painless way.
You can find a tutorial explaining in depth how to use the
following popular publicly available satellite imagery and DEMs:
- TrueMarble 250m/pixel world coverage
- ETOPO5 wold coverage
- SRTM 90m/pixel world coverage
http://www.gaia-gis.it/spatialite-2.3.1/rasterlite-how-to.pdf
Enjoy,
Sandro
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