Warning, /utils/matlab/cs_grid/read_cs/read_cs_bin.m is written in an unsupported language. File is not indexed.
view on githubraw file Latest commit da16053d on 2007-03-27 15:00:38 UTC
b75ad9d212 Dimi*0001 function fld=read_cs_bin(fnam,kx,prec,cx)
0002
0003 % Function fld=read_cs_bin(fnam,kx,prec,cx)
0004 % read in cube sphere binary output
0005 %
0006 % INPUTS
0007 % fnam input path and file name
0008 % kx vertical indices to read, e.g., 1:50 (default 1)
0009 % prec numeric precision (see fread; default 'real*4')
0010 % cx cube face size (default 510)
0011 %
0012 % OUTPUTS
0013 % fld output array of dimension cx*6*cx*length(kx)
0014 %
0015 % SEE ALSO
0016 % readbin, read_cs_face, read_cs_ifjk, read_cs_index
0017
0018 if nargin < 4, cx=510; end
0019 if nargin < 3, prec='real*4'; end
0020 if nargin < 2, kx=1; end
0021 if nargin < 1, error('please specify input file name'); end
0022
0023 fld=zeros(cx,6,cx,length(kx));
0024 fid=fopen(fnam,'r','ieee-be');
0025
0026 switch prec
0027 case {'int8','integer*1'}
0028 preclength=1;
0029 case {'int16','integer*2','uint16','integer*2'}
0030 preclength=2;
0031 case {'int32','integer*4','uint32','single','real*4','float32'}
0032 preclength=4;
0033 case {'int64','integer*8','uint64','double','real*8','float64'}
0034 preclength=8;
0035 end
0036
0037 for k=1:length(kx)
0038 skip=(kx(k)-1)*cx*6*cx;
0039 if(fseek(fid,skip*preclength,'bof')<0), error('past end of file'); end
0040 fld(:,:,:,k)=reshape(fread(fid,cx*6*cx,prec),cx,6,cx);
0041 end
da16053df7 Dimi*0042
0043 fid=fclose(fid);