[Gdal-dev] two questions about GDAL data type and data model

[Klain Qin]

Hi,

 

I have two questions for GDAL API:

 

1.     What's the use of the complex types CInt16, CInt32, CFloat32, and
CFloat64? Which kinds of images will return such kinds of data types?

 

2.     Does GDAL provide API's for conversion between RGB, HLS or CMYK?
I found that GDAL can return HLS or CMYK bands directly to the user. 

 

Thanks in advance,

 

Klain

 

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