[gdal-dev] AIG field types erroneously classified as GFT_String

[Even Rouault]

On mercredi 24 janvier 2018 19:10:13 CET Gregory, Matthew wrote:
> Hi all,
> 
> I came across what I think is a bug on reading in VAT tables using the AIG
> driver.  I have a raster attribute table that has fixed numeric types for
> some items and when using the GetTypeOfCol method (in Python), I'm getting
> back GFT_String (2) values.  I think I can trace it to lines 463-480 in
> aigdataset.cpp.  As it's looping through the fields, the type is set to
> GFT_String by default and only AVC_FT_BININT and AVC_FT_BINFLOAT are
> checked to possibly change type.  It seems like there should also be these
> checks/conversions:
> 
>   AVC_FT_DATE -> GFT_Date(?)
>   AVC_FT_FIXINT -> GFT_Integer
>   AVC_FT_FIXNUM -> GFT_Real
> 
> I could be missing the reasoning of why these types shouldn't crosswalk to
> the suggested GFT_* values, so I haven't submitted as a bug.

If you can submit a patch implemting the missing mappins, as well as some testing data, that 
would be welcome

Best regards,

Even


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