[gdal-dev] Identity affine handling in GDALCreateGenImgProjTransformer2

[Sandro Santilli]

On Mon, Sep 01, 2014 at 03:45:23PM +0200, Even Rouault wrote:

> > Basically it looks like the code doesn't not trust the return code
> > from the driver's GDALGetGeoTransform() call, but rather look at the
> > returned matrix to decide if the raster did have or not a an affine
> > transformation.
> 
> Yes, there are indeed various places where we don't trust GetGeoTransform()
> return code. I guess this is for historical reasons. This is a bit unfortunate
> and should be fixed at driver level rather than handled by GDAL core. Perhaps
> you could try removing the test on the geotransform values in
> GDALCreateGenImgProjTransformer2 () and see if it impacts the autotest suite ?
> (though it would not be a proof that some
> audit of drivers would not be required so that we can reliably trust the return
> code of their GetGeoTransform() implementation)

Uhm, locally I get a segfault when running the testsuite, with
trunk untouched (autotest$ python run_all.py)

Do travis run all tests ? I've filed a pull request to trigger
a travis build there: https://github.com/OSGeo/gdal/pull/40

--strk;