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about ENVI_display_bands [message #65482]

Fri, 06 March 2009 23:43

lchfzfj
Messages: 2
Registered: March 2009

Junior Member

Hi,all,

I have a problem with ENVI_display_bands, below is the whole
procedure:

pro tt1
compile_opt idl2
envi,/restore_base_save_files
envi_batch_init
ENVI_SELECT, title='Input Filename', fid=in_fid,
pos=in_pos,dims=in_dims
envi_file_query, in_fid, ns=ns, nl=nl, nb=nb
ENVI_DISPLAY_BANDS, [in_fid,in_fid,in_fid], [2,1,0], /new
envi_batch_exit
end

when run it, there always have the following errors:
% Expression must be a structure in this context: MSTR.
% Execution halted at: ENVI_SUB_MENU

this problem disturb me for the whole days, who could kindly tell me
how to solve it?

thanks in advance
sincerely
jenny

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