Changes between Version 26 and Version 27 of rfc24_progressive_data_support


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Timestamp:
Aug 28, 2008, 8:06:42 AM (16 years ago)
Author:
normanb
Comment:

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  • rfc24_progressive_data_support

    v26 v27  
    2020
    2121The implementation is a definition of an interface, in particular an overloaded function definition for RasterIO.  Concrete implementations of this interface will follow.  Currently the most convenient JPIP streaming developer library is [http://www.kakadusoftware.com Kakadu] however since GDAL is also developer library, only stubs can be distributed to conform to Kakadu licensing ([http://trac.osgeo.org/gdal/wiki/JP2KAK JP2KAK]).  Commercial vendors are also interested in using GDAL for streaming support and a standard interface will allow these commercial plugins to be incorporated. e.g. [http://www.gdal.org/frmt_jp2ecw.html ECW], [http://www.gdal.org/frmt_mrsid.html MrSID].
     22=== Proposed Progressive Streaming Sequence of Events ===
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     24''Sequence shows GDALDataset, same sequence for GDALRasterBand''
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     26[[Image(progressive.jpg)]]
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    2228
    2329=== Discussion ===
    … …  
    129135
    130136At the moment I am not planning to integrate with the block cache, the format driver will have to implement its own (wavelet) cache, this is important so  that the format driver can communicate to the server the contents of its cache.
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    140 === Proposed Progressive Streaming Sequence of Events ===
    141 
    142 ''Sequence shows GDALDataset, same sequence for GDALRasterBand''
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    144 [[Image(progressive.jpg)]]
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