[gdal-dev] Two resolutions for one GTI

[Peter Schmitt]

The GTI driver docs https://gdal.org/en/stable/drivers/raster/gti.html
state:

> RESX=<float> and RESY=<float>: resolution along X and Y axis, in SRS
units / pixel.
> Setting those metadata items is recommended, otherwise the driver will
try to open one of the tiles referenced in the tile index, and use its
resolution as the resolution for the mosaic.

What is the expected value if my GTI references two (or more) files at
different resolutions? Should I set RESX and RESY to the highest resolution
data?  Does GTI support a collection of rasters which might be at different
resolutions?

Thanks,
Pete
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