Changes between Version 1 and Version 2 of FAQ/hdfsizelimit
- Timestamp:
- May 18, 2012, 5:42:49 PM (13 years ago)
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FAQ/hdfsizelimit
v1 v2 2 2 3 3 '''A:'''[[BR]] 4 This occurs normally for Eagle or Hawk data that are too large for the HDF 4 file format. This format is normal for ARSF delivered Eagle and Hawk data. 5 4 6 For ATM and CASI, the image data is held in the HDF file along with the image metadata. You get only a single HDF data file per flightline that contains all of the relevant data and azgcorr operates on this. Unfortunately, the HDF 4 file format used has a limit of about 2GB on how big the file can be, and data files from Eagle and Hawk frequently exceed this limitation. 5 7 … … 14 16 azgcorr -mUK99 osgb02.cgrf -p 1 1 -bl 30 15 7 -1 -eh my_dem.dem -1 flight_data_l1.hdf -3 flight_data_l3.hdf 15 17 18 For user created level-2 BIL files the options -Bi, -Bs or -Be have to be used. -Bi and -Bs require a -B parameter command to provide the image file details. -Be expects an ENVI/BIL/BSQ pair of files with at least the items on the header file: samples, lines, bands, "header offset" ( to skip header info/data etc at the start of the binary file), "data type" ( = 4 or 12 only ie f32 or u16 ), interleave ( = bil or bsq ), "sensor type" ( = atm, casi, az16 or ccd ), "default bands" = ( r g b band numbers ) 19 20 See the -help command for more details. 21 22 16 23 [wiki:FAQ Back to FAQ]