Changes between Version 2 and Version 3 of rfc24_progressive_data_support


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Timestamp:
Aug 20, 2008, 9:58:13 AM (16 years ago)
Author:
normanb
Comment:

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  • rfc24_progressive_data_support

    v2 v3  
    77== Summary ==
    88
    9 To provide data streaming support to GDAL by overloading the RasterIO function.  The RFC focuses on JPIP but should be generic to apply to other streaming / progressive formats.
     9To provide data streaming support to GDAL by overloading the RasterIO function to include a callback function when there are buffer updates.  The RFC focuses on JPIP but should be generic to apply to other streaming / progressive formats.
    1010
    1111== Definitions ==
    … …  
    1515== Objective ==
    1616
     17To provide a callback function to allow users of a progressive format driver to receive notifications of updates to the underlying dataset for a particular requested region of the data.  The notification mechanism should be accessible to all the swig wrappers and the underlying buffer data should be conveniently stored to allow conversion to raster format - e.g. png, windows bitmap.
     18
    1719== Implementation ==