Hi everyone,


I'm writing a code to find highest terrain elevation in dted files.

I'm already reading the elevations from a dted with gdal. But there

are cases where the region I'm searching the highest elevation

contains more then one file (e.g. s20.dt1, s20.dt1 etc...). So I was

wondering how could I load more than one file in a single pafScanline

and if would be a good strategy to work with. I have also read about

GDAL_DTED_SINGLE_BLOCK=TRUE, but where I set it? is it for a single

file?



Does someone know if there is any implementation which returns the

dted files I should open to access the elevations of given a region

(e.g rectangle including bounds in latitude and longitude)?



I'd be glad to receive tips, references which could help me.



Thanks in advance



Ricardo Rodrigues

Brazil

                                          
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