Changes between Version 63 and Version 64 of WKTRaster/SpecificationWorking03


Ignore:
Timestamp:
04/19/11 06:33:26 (14 years ago)
Author:
dustymugs
Comment:

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  • WKTRaster/SpecificationWorking03

    v63 v64  
    211211The TIFF format is probably the most robust available for converting rasters to GDAL rasters. Not only does it support all PostGIS Raster pixel types, it also provides plenty of creation options and possibly no issues with the number of bands. The only limitation found is that there can only be one NODATA value for all bands.
    212212
    213 ''If the compression parameter/option is specified to JPEG, all bands must be of pixel type 8BUI.  If the compression parameter/option is specified to one of the CCITT options, all bands must be of pixel type 1BB.''
     213''If the compression parameter/option is specified to JPEG, all bands must be of pixel type 8BUI.  If the compression parameter/option is specified to one of the CCITT options, all bands must be of pixel type 1BB.  If any band violates the restriction, an exception is raised.''
    214214
    215215The next three functions are the most basic of the ST_AsTIFF functions.