1.I use GDAL to read a DEM file,and its extension is .img ,what other
extensions for DEM file?
2.When I reand a geotff file and a dem file,I find that the dfference between
them as follows:
geotiff: Dem
GetDriver()->GetDescription() :
GTiff, HFA
GetDriver()->GetMetadatItem(GDAL_DMD_LONGNAME): GeoTIFF
Drdas Imagine Images(.img)
bandnumber
6 1
Now,I want to know that,the bandnumber of DEM file is always 1?_______________________________________________
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