[gdal-dev] Overriding IRasterIO in class derived from GDALRasterBand

[Tamas Szekeres]

2009/8/7 Jorge Arévalo <jorge.arevalo at gmail.com>

>
> > One issue with this concept would be related to the limited memory size
> of
> > the particular machine, it may be more reasonable to copy the retrieved
> > blocks directly onto the output buffer if possible. In this case you
> cannot
> > much rely on the base RasterIO implementation.
>
> So, you suggest to copy the block data into the buffer without calling
> base implementation of IRasterIO, do you? This implies take care of
> the endianess and pixel size "by hand".
>

And many more... I agree this wouldn't be that straightforward. Populating
the block buffer would be much easier.

Best regards,

Tamas
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