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Last Post 09 Dec 2014 08:27 PM by  anon
FLAASH error modrd5
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anon



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09 Dec 2014 08:27 PM
    Hi, I'm receiving the same error message every time I try to run FLAASH on a Landsat 8 image. I radiometrically corrected the image using FLAASH output parameters. ENVI 5.2 and 5.1 (classic) give me the same error message: ACC error: modrd5:reading archive file header IDL error: READU: End of file encountered. Unit: 102, File: [file path]\acc.modroot.fla ACC_MODRD5 ENVI_ACC_EVENT IDLRTMAIN $MAIN$ <( 0)

    MariM



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    10 Dec 2014 07:31 AM
    Can you post the template.txt that is created in the output directory specified in FLAASH? This will show the input parameters used and may help decipher the error.

    Deleted User



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    25 Dec 2014 06:58 AM
    Hi, I have the same problem. please help. ; ;ENVI FLAASH PARAMETERS TEMPLATE (5.1) ;Written Thu Dec 25 10:43:18 2014 ; ; Project Parameters enviacc.prj.radiance_file =D:\2013253\2013253_RadiometricCalibration.dat enviacc.prj.reflect_file =D:\2013253\2013253_reflectance\2013253 enviacc.prj.filter_func_file = C:\ProgramFiles\Exelis\ENVI51\resource\filterfuncs\landsat8_oli.sli enviacc.prj.filter_func_file_index = 0 enviacc.prj.water_band_choice = 1.13 enviacc.prj.red_channel = 4 enviacc.prj.green_channel = 3 enviacc.prj.blue_channel = 1 enviacc.prj.water_abs_channel = 0 enviacc.prj.water_ref_channel = 0 enviacc.prj.kt_upper_channel = 7 enviacc.prj.kt_lower_channel = 4 enviacc.prj.kt_cutoff = 0.0800 enviacc.prj.kt_ratio = 0.5000 enviacc.prj.cirrus_channel = 0 enviacc.prj.water_retrieval = 0 enviacc.prj.user_stem_name = 2013253_ enviacc.prj.modtran_directory =D:\2013253\2013253_reflectance\ ; ; MODTRAN Parameters enviacc.modtran.visvalue = 40.0000 enviacc.modtran.f_resolution = 15.0000 enviacc.modtran.day = 10 enviacc.modtran.month = 9 enviacc.modtran.year = 2013 enviacc.modtran.gmt= 14.6778 enviacc.modtran.latitude= -28.8715 enviacc.modtran.longitude= -71.1107 enviacc.modtran.sensor_altitude= 705.0000 enviacc.modtran.ground_elevation = 0.0000 enviacc.modtran.view_zenith_angle = 180.0000 enviacc.modtran.view_azimuth = 0.0000 enviacc.modtran.atmosphere_model = 1 enviacc.modtran.aerosol_model= 1 enviacc.modtran.multiscatter_model= 2 enviacc.modtran.disort_streams = 8 enviacc.modtran.co2mix = 390.0000 enviacc.modtran.water_column_multiplier= 1.0000 ; ; ImageParameters enviacc.img.nspatial= 7631 enviacc.img.nlines= 7721 enviacc.img.data_type= 4 enviacc.img.margin1= 0 enviacc.img.margin2= 0 enviacc.img.nskip= 0 enviacc.img.pixel_size = 30.0000 enviacc.img.sensor_name = Landsat-8 OLI ; ; Analysis Parameters enviacc.ana.aerosol_scaleht= 1.5000 enviacc.ana.use_adjacency= 1 enviacc.ana.output_scale = 10000.0000 enviacc.ana.polishing_res = 0 enviacc.ana.aerosol_retrieval= 1 enviacc.ana.calc_wl_correction= 0 enviacc.ana.reuse_modtran_calcs= 0 enviacc.ana.use_square_slit_function = 0 enviacc.ana.convolution_method = fft enviacc.ana.use_tiling = 1 enviacc.ana.tile_size = 100.0000 ; ; GParameters Parameters enviacc.gparameters.gfact = 0 enviacc.gparameters.gval = 0.0000 enviacc.gparameters.use_lr_method = 0 enviacc.gparameters.multikernel = 1 enviacc.gparameters.autoroi= auto enviacc.gparameters.selarg= a ; ; Spectral Parameters enviacc.spc.wavelength_units = micron enviacc.spc.lambda= [ 0.4430, 0.4826, 0.5613, 0.6546, 0.8646, 1.6090, 2.2010] enviacc.spc.fwhm= [ 0.016000, 0.060100, 0.057400, 0.037500, 0.028200, 0.084700, 0.186700] enviacc.img.p_input_scale = [ 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000, 1.0000]

    MariM



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    30 Dec 2014 06:11 AM
    I really don't see anything wrong with your parameters. I have run into READU errors for strange reasons sometimes. I would try a few things: - is the ground elevation 0? Perhaps try setting it to 0.1 if it is near sea level - change the tile size in the advanced parameters to 200mb - create a new template in a fresh directory
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