[Gdal-dev] GDAL/Shapelib support for "Boolean" fields

[Frank Warmerdam]

Ben Discoe wrote:

> I ran into trouble using Shapelib to read some SHP files today.  It
> turns out that Shapelib defines the following fieldtypes:
>   FTString = 0
>   FTInteger = 1
>   FTDouble = 2
>   FTInvalid = 3
> 
> However, SHP appears to actually support a "Boolean" field type as well.
> ArcView lets you create such a field, and then Shapelib tells me the
> boolean field is FTInvalid.
> 
> This would probably be an easy thing to add support for.  Let me know if
> i should take a stab at implementing it myself, or...?

Ben,

Shapelib supports an FTLogical type which is intended to be for booleans.
I am not sure if it is well integrated at the OGR level.  Could you send me
sample dataset not reported properly by Shapelib?

Best regards,

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