Right. Thanks for checking into it. I guess I was thrown by http://www.gdal.org/classGDALDataset.html#af9593cc241e7d140f5f3c4798a43a668
which gives the default as {0, 1, 0, 0, 0, +1}. Is there a library wide convention on this? I can update the docs if so. (I assume its a simple pull and send a diff type setup.) THK On Sun, Dec 8, 2013 at 11:27 PM, Jukka Rahkonen <jukka.rahko...@mmmtike.fi>wrote: > Tim Keitt <tkeitt <at> gmail.com> writes: > > > > > I notice that the "MEM" driver returns {0, 1, 0, 0, 0, -1} by default. Is > this a bug or do some formats flip the vertical axis? If so, what is the > convention for detecting and handling "south up" formats in code? > > I guess that anchor point is at the top left corner and therefore the north > coordinate is decreasing step by step when you walk downwards. Document > http://www.gdal.org/gdal_tutorial.html supports my thoughts. > > -Jukka Rahkonen- > > > > _______________________________________________ > gdal-dev mailing list > gdal-dev@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/gdal-dev > -- http://www.keittlab.org/
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