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I have a set of large geotiff (DEM + orthoimagery) that I need to generate image pyramids from. So far gdal_retile from osgeo4w is working very well for my use case with one exception: I need all my tiles to be of uniform pixel size (eg: 1025x1025). gdal_retile will, as its default behavior, produce smaller tiles at the edges if the original file's pixel dimensions are not a multiple of the tile size.

Alternatively, is there a gdal command that will let me pad the DEM and orthoimagery with 'empty' / 'transparent' data out to an even multiple of my tile size)?

  • hello, did you figure this out? – Nicolas Nov 1 '16 at 15:31
  • Nope. I ended up zero-padding the data myself in the importer I wrote for the tool I was using. – Alterscape Nov 2 '16 at 5:31

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