[Gdal-dev] Bogus OGRSpatialReference should cause error, right?

[Frank Warmerdam]

On 9/5/05, Ben Discoe <ben at vterrain.org> wrote:
> 
> I spent a bit of time this evening tracking down a problem with
> OGRSpatialReference objects.  It turns out that
> OGRCreateCoordinateTransformation will accept them even when they contain no
> CRS at all, i.e. poRoot=NULL.  It would have shortened my debugging time if
> OGRCreateCoordinateTransformation had returned an error and refused to
> transform.  Instead, it returns a bogus transform which gives strange
> results.

Ben,

I concur.  I have tightened up error checking in the exportToProj4()
and OGRProj4CT::Initialize() methods. 

Best regards,
-- 
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