Changes between Version 85 and Version 86 of WKTRaster/SpecificationWorking03
- Timestamp:
- 05/24/11 11:18:30 (14 years ago)
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WKTRaster/SpecificationWorking03
v85 v86 262 262 263 263 '''ST_AsTIFF(raster, compression) -> TIFF as "bytea"'''[[BR]] 264 Return the raster as a JPEGencoded as a PostgreSQL bytea. If raster is a multiband raster and no band were selected with ST_Band() every band are written to the resulting TIFF.264 Return the raster as a TIFF encoded as a PostgreSQL bytea. If raster is a multiband raster and no band were selected with ST_Band() every band are written to the resulting TIFF. 265 265 266 266 compression=[JPEG/LZW/PACKBITS/DEFLATE/CCITTRLE/CCITTFAX3/CCITTFAX4/NONE]: Set the type of compression to use. None is the default. The CCITT compression should only be used with 1bit (NBITS=1) data. JPEG should only be used with Byte data. When using JPEG add a number specifying the quality. 75 is the default. e.g. ST_AsTIFF(raster, "JPEG60") (copied from http://www.gdal.org/frmt_gtiff.html)