asc format and, therefore, to be used with the app it should have. As stated before, this data exists (for example, IGN has Digital Terrain Models of 5x5m and 2x2m resolution: ). hgt is a light-weight popular format for DEM files.īut this doesn't mean that higher resolution data can't be used with the app. hgt format the data has to be reduced to 1" resolution. This means that although the original data was way more precise, in order to distribute it with. hgt DEM files, which are limited to 1" resolution. This data is indeed of higher resolution than 1" (which is approximately a 20x30 m region). Sonny's Digital Terrain Models ( ) are made out of LiDAR data, which he has collected from public official sources. Hi LaurentG, I followed your links and I think that you're confused with some concepts.
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