# reproject into WGS84 lat/lon
gdalwarp -t_srs EPSG:4326 -dstnodata 0 input.tif output.tif
# https://developers.google.com/kml/articles/raster#translate
gdal_translate -of vrt -expand rgba output.tif output.vrt
gdal2tiles.py -p geodetic -k output.vrt

This mostly works, but the nodata from the original GeoTIFF doesn’t get preserved as a PNG alpha channel in the KMZ tiles. Still need to figure that out.

One Response to “attempt to convert a geotiff to KMZ”

  1. Try http://www.maptiler.com/

    It will solve your problem.