Hello, on this zip file you have : SPOTHaouz030325_3x3TOA.bil Subset of the SPOT4/HRVIR1 Generic Binary array file, band interleaved by line (BIL) format Data format is an unsigned integer (2 bytes), Little Endian Data are stored in the order (line1,band1),(line1,band2),(line1,band3),(line1,band4),(line2,band2),... Pixels are registered by their upper left corner Envi header file (.hdr) is available GENERAL CHARACTERISTICS Acquisition Date : 25/3/2003 Acquisition Hour : 11:24:0 Samples : 153 Lines : 152 Bands : 4 Band4 : SWIR = 1580-1750 nm REFLECTANCE = DIGITAL COUNT / 1000 TOA reflectance (Top of Atmosphere) PROJECTION CHARACTERISTICS This image was geo-referenced by SPOTImage (SPOTViewBasic product) Map Projection Name : Lambert nord maroc Datum : Merchich Units : Meter Pixel Size (Easting) : 2.0000000000e+001 Pixel Size (Northing) : 2.0000000000e+001 Upper Left Corner Easting : 289674.9648 Upper Left Corner Northing : 121949.6208 SemiMajorAxis : 6378249.1 SemiMinorAxis : 6356514.9 Latitude of projection origin (°) : 33.300000 Longitude of central meridian (°) : -5.400000 False Easting : 500000.0 False Northing : 300000.0 Longitude of 1st Standard Parallel (°) : 31.727866 Longitude of 2nd Standard Parallel (°) : 31.871727