[gdal-dev] Data Type Conversion

[Andrew Bell]

Hi,

The documentation for GDALRasterBand::RasterIO says that it will convert
data from the source data type to the destination data type. I searched the
source code a bit I'm not sure I located the bit that does this conversion.
I'm trying to understand what happens in this conversion process. Is this a
numeric conversion as would be done with a C/C++ cast or is this conversion
simply add or truncate bytes in order to fit in a destination data type. Or
perhaps something else?

Thanks,

-- 
Andrew Bell
andrew.bell.ia at gmail.com
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