hello; i downloaded dted data dt0 from raster roam website and there are 3 folders e055, e056 and e057 and within each folder there are 3 dted files and i guess each dted file here represent a tile within my terrain. now what am trying to do is requesting the terrain tiles according to my dted data .. any idea how can i do that with gdal lib? i tried this: poDataset = (GDALDataset *) GDALOpen( " http://tile.openstreetmap.org/15/23687/15190.png";, GA_ReadOnly );
to request a specific tile from openstreetmap server but as you can see i need to know the exact coordinate system for that tile ... please all what i need is to understand the process of requesting the tiles according to my dteds files; i will appreciate any help; thanks in advance;
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![http://tile.openstreetmap.org/15/23687/15190.png"](https://tile.openstreetmap.org/15/23687/15190.png"){kind=link}