Hello Even,
My map contains no overviews but a seamless collection of PNG tiles with
zoom levels ranging from 13 to 17 (which I suppose is similar to
overviews). Each tile is 256 x 256 pixels with the pixel being RGB888, a
pretty much standard arrangement.
When reading I call each band's RasterIO
Deyan,
you generally don't need to use that option. The driver should
automatically select the right overview level when you use the dataset
or band RasterIO() methods, according to the window of interest and the
size of the buffer you specify.
Even
Le 29/12/2021 à 19:47, Deyan Vasilev a éc
Hello,
I am trying to handle map zooming in a GDAL-based MBTiles windows app. The
only way I have found to control the raster's zoom level is through
GDALOpenEx's open options.
Changing the zoom-level app-side would require closing the MBTiles db and
reopening it, passing the new zoom level as an