gdal_retile use gdal core functions to rescale and I see no
possibility to pass a nodata value to these functions.
Have your tiff files a no data value in the meta info.
Quoting acangi :
When creating the level x, gdal_retile interpolates the tiles of level x-1.
If not all data exist in le
When creating the level x, gdal_retile interpolates the tiles of level x-1.
If not all data exist in level x-1, it interpolates with nodata values (I
guess ?). The result is that at the border, we can see almost black values,
but not exactly black. They become visible when setting the output
trans
