1 |
jmc |
1.25 |
function [AA,itrs,MM] = rdmds(fnamearg,varargin) |
2 |
adcroft |
1.4 |
% RDMDS Read MITgcmUV meta/data files |
3 |
adcroft |
1.1 |
% |
4 |
adcroft |
1.3 |
% A = RDMDS(FNAME) |
5 |
|
|
% A = RDMDS(FNAME,ITER) |
6 |
|
|
% A = RDMDS(FNAME,[ITER1 ITER2 ...]) |
7 |
adcroft |
1.14 |
% A = RDMDS(FNAME,NaN) |
8 |
|
|
% A = RDMDS(FNAME,Inf) |
9 |
jmc |
1.18 |
% [A,ITS,M] = RDMDS(FNAME,[...]) |
10 |
adcroft |
1.15 |
% A = RDMDS(FNAME,[...],'rec',RECNUM) |
11 |
adcroft |
1.1 |
% |
12 |
adcroft |
1.4 |
% A = RDMDS(FNAME) reads data described by meta/data file format. |
13 |
|
|
% FNAME is a string containing the "head" of the file names. |
14 |
jmc |
1.18 |
% |
15 |
adcroft |
1.4 |
% eg. To load the meta-data files |
16 |
|
|
% T.0000002880.000.000.meta, T.0000002880.000.000.data |
17 |
|
|
% T.0000002880.001.000.meta, T.0000002880.001.000.data |
18 |
|
|
% T.0000002880.002.000.meta, T.0000002880.002.000.data |
19 |
|
|
% T.0000002880.003.000.meta, T.0000002880.003.000.data |
20 |
|
|
% use |
21 |
|
|
% >> A=rdmds('T.0000002880'); |
22 |
|
|
% >> size(A) |
23 |
|
|
% ans = |
24 |
|
|
% 64 32 5 |
25 |
|
|
% eg. To load a multiple record file |
26 |
|
|
% >> A=rdmds('pickup.0000002880'); |
27 |
|
|
% >> size(A) |
28 |
|
|
% ans = |
29 |
|
|
% 64 32 5 61 |
30 |
jmc |
1.18 |
% |
31 |
|
|
% |
32 |
adcroft |
1.4 |
% A = RDMDS(FNAME,ITER) reads data described by meta/data file format. |
33 |
|
|
% FNAME is a string containing the "head" of the file name excluding the |
34 |
|
|
% 10-digit iterartion number. |
35 |
|
|
% ITER is a vector of positive integers that will expand to the 10-digit |
36 |
|
|
% number in the file name. |
37 |
adcroft |
1.14 |
% If ITER=NaN, all iterations will be read. |
38 |
|
|
% If ITER=Inf, the last (highest) iteration will be read. |
39 |
adcroft |
1.15 |
% |
40 |
adcroft |
1.4 |
% eg. To repeat above operation |
41 |
|
|
% >> A=rdmds('T',2880); |
42 |
|
|
% eg. To read multiple time steps |
43 |
|
|
% >> A=rdmds('T',[0 1440 2880]); |
44 |
adcroft |
1.14 |
% eg. To read all time steps |
45 |
|
|
% >> [A,ITS]=rdmds('T',NaN); |
46 |
|
|
% eg. To read the last time step |
47 |
|
|
% >> [A,IT]=rdmds('T',Inf); |
48 |
adcroft |
1.4 |
% Note: this form can not read files with no iteration count in file name. |
49 |
adcroft |
1.15 |
% |
50 |
|
|
% |
51 |
|
|
% A = RDMDS(FNAME,[...],'rec',RECNUM) reads individual records from |
52 |
|
|
% multiple record files. |
53 |
jmc |
1.18 |
% |
54 |
adcroft |
1.15 |
% eg. To read a single record from a multi-record file |
55 |
|
|
% >> [A,IT]=rdmds('pickup.ckptA',11); |
56 |
|
|
% eg. To read several records from a multi-record file |
57 |
|
|
% >> [A,IT]=rdmds('pickup',Inf,'rec',[1:5 8 12]); |
58 |
|
|
% |
59 |
jmc |
1.18 |
% |
60 |
adcroft |
1.15 |
% A = RDMDS(FNAME,ITER,MACHINEFORMAT) allows the machine format to be |
61 |
adcroft |
1.4 |
% A = RDMDS(FNAME,MACHINEFORMAT) |
62 |
|
|
% specified which MACHINEFORMAT is on of the following strings: |
63 |
|
|
% 'n' 'l' 'b' 'd' 'g' 'c' 'a' 's' - see FOPEN for more details |
64 |
adcroft |
1.15 |
% |
65 |
jmc |
1.18 |
|
66 |
jmc |
1.26 |
% $Header: /u/gcmpack/MITgcm/utils/matlab/rdmds.m,v 1.25 2010/01/07 23:20:33 jmc Exp $ |
67 |
jmc |
1.21 |
% $Name: $ |
68 |
adcroft |
1.14 |
|
69 |
|
|
AA=[]; |
70 |
jmc |
1.25 |
itrs=[]; |
71 |
jmc |
1.18 |
MM=[]; |
72 |
adcroft |
1.1 |
|
73 |
|
|
% Default options |
74 |
|
|
ieee='b'; |
75 |
adcroft |
1.3 |
fname=fnamearg; |
76 |
adcroft |
1.15 |
userecords=0; |
77 |
|
|
recnum=[]; |
78 |
adcroft |
1.1 |
|
79 |
|
|
% Check optional arguments |
80 |
adcroft |
1.3 |
for ind=1:size(varargin,2); |
81 |
|
|
arg=varargin{ind}; |
82 |
|
|
if ischar(arg) |
83 |
|
|
if strcmp(arg,'n') | strcmp(arg,'native') |
84 |
|
|
ieee='n'; |
85 |
|
|
elseif strcmp(arg,'l') | strcmp(arg,'ieee-le') |
86 |
|
|
ieee='l'; |
87 |
|
|
elseif strcmp(arg,'b') | strcmp(arg,'ieee-be') |
88 |
|
|
ieee='b'; |
89 |
|
|
elseif strcmp(arg,'c') | strcmp(arg,'cray') |
90 |
|
|
ieee='c'; |
91 |
|
|
elseif strcmp(arg,'a') | strcmp(arg,'ieee-le.l64') |
92 |
|
|
ieee='a'; |
93 |
|
|
elseif strcmp(arg,'s') | strcmp(arg,'ieee-be.l64') |
94 |
|
|
ieee='s'; |
95 |
adcroft |
1.15 |
elseif strcmp(arg,'rec') |
96 |
|
|
userecords=1; |
97 |
adcroft |
1.3 |
else |
98 |
|
|
error(['Optional argument ' arg ' is unknown']) |
99 |
|
|
end |
100 |
adcroft |
1.1 |
else |
101 |
adcroft |
1.15 |
if userecords==1 |
102 |
|
|
recnum=arg; |
103 |
jmc |
1.25 |
elseif isempty(itrs) |
104 |
adcroft |
1.9 |
if isnan(arg) |
105 |
jmc |
1.25 |
itrs=scanforfiles(fname); |
106 |
|
|
disp([ sprintf('Reading %i time levels:',size(itrs,2)) sprintf(' %i',itrs) ]); |
107 |
adcroft |
1.10 |
elseif isinf(arg) |
108 |
jmc |
1.25 |
itrs=scanforfiles(fname); |
109 |
|
|
if isempty(itrs) |
110 |
|
|
AA=[];itrs=[];return; |
111 |
adcroft |
1.13 |
end |
112 |
jmc |
1.25 |
disp([ sprintf('Found %i time levels, reading %i',size(itrs,2),itrs(end)) ]); |
113 |
|
|
itrs=itrs(end); |
114 |
adcroft |
1.17 |
% elseif prod(double(arg>=0)) & prod(double(round(arg)==arg)) |
115 |
jmc |
1.16 |
% elseif prod(arg>=0) & prod(round(arg)==arg) |
116 |
|
|
elseif min(arg)>=0 & isempty(find(round(arg)~=arg)) |
117 |
adcroft |
1.10 |
if arg>=9999999999 |
118 |
|
|
error(sprintf('Argument %i > 9999999999',arg)) |
119 |
|
|
end |
120 |
jmc |
1.25 |
itrs=arg; |
121 |
adcroft |
1.3 |
else |
122 |
|
|
error(sprintf('Argument %i must be a positive integer',arg)) |
123 |
|
|
end |
124 |
adcroft |
1.15 |
else |
125 |
|
|
error('Multiple iterations should be specified as a vector') |
126 |
|
|
end |
127 |
adcroft |
1.1 |
end |
128 |
adcroft |
1.3 |
end |
129 |
|
|
|
130 |
jmc |
1.25 |
if isempty(itrs) |
131 |
|
|
itrs=-1; |
132 |
adcroft |
1.15 |
end |
133 |
|
|
|
134 |
adcroft |
1.3 |
% Loop over each iteration |
135 |
jmc |
1.25 |
for iter=1:size(itrs,2); |
136 |
|
|
if itrs(iter)>=0 |
137 |
|
|
fname=sprintf('%s.%10.10i',fnamearg,itrs(iter)); |
138 |
|
|
end |
139 |
adcroft |
1.1 |
|
140 |
adcroft |
1.7 |
% Figure out if there is a path in the filename |
141 |
jmc |
1.25 |
NS=findstr('/',fname); |
142 |
|
|
if size(NS)>0 |
143 |
|
|
Dir=fname(1:NS(end)); |
144 |
|
|
else |
145 |
|
|
Dir='./'; |
146 |
|
|
end |
147 |
adcroft |
1.7 |
|
148 |
adcroft |
1.1 |
% Match name of all meta-files |
149 |
jmc |
1.25 |
allfiles=dir( sprintf('%s*.meta',fname) ); |
150 |
adcroft |
1.1 |
|
151 |
jmc |
1.25 |
if size(allfiles,1)==0 |
152 |
|
|
disp(sprintf('No files match the search: %s*.meta',fname)); |
153 |
|
|
%allow partial reads% error('No files found.') |
154 |
|
|
end |
155 |
adcroft |
1.1 |
|
156 |
|
|
% Loop through allfiles |
157 |
jmc |
1.25 |
for j=1:size(allfiles,1); |
158 |
adcroft |
1.1 |
|
159 |
|
|
% Read meta- and data-file |
160 |
jmc |
1.25 |
[A,N,M,mG] = localrdmds([Dir allfiles(j).name],ieee,recnum); |
161 |
jmc |
1.18 |
|
162 |
|
|
%- Merge local Meta file content (M) to MM string: |
163 |
jmc |
1.25 |
if j > 0, %- to comment out this block: "if j < 0" (since j is always > 0) |
164 |
|
|
ii=findstr(M,' timeStepNumber'); |
165 |
|
|
if isempty(ii), ii1=0; ii2=0; |
166 |
|
|
else ii1=ii; ii2=ii+min(findstr(M(1+ii:end),'];')); end |
167 |
|
|
ii=findstr(M,' timeInterval'); |
168 |
|
|
if isempty(ii), jj1=0; jj2=0; |
169 |
|
|
else jj1=ii; jj2=ii+min(findstr(M(1+ii:end),'];')); end |
170 |
|
|
if iter==1 & j==1, |
171 |
jmc |
1.26 |
MM=M; ind1=0; ind2=0; is1=ii1; js1=jj1; M3=''; |
172 |
jmc |
1.25 |
if ii1*jj1 > 0, |
173 |
|
|
%ind1=min(ii1,jj1); ind2=max(ii2,jj2); |
174 |
|
|
%if ii1 < jj1, ii3=ii2+1; jj3=jj1-1; |
175 |
|
|
%else ii3=jj2+1; jj3=ii1-1; end |
176 |
|
|
order=sort([ii1 ii2 jj1 jj2]); |
177 |
|
|
ind1=order(1); ii3=order(2)+1; jj3=order(3)-1; ind2=order(4); |
178 |
|
|
M2=M(ii1:ii2); M4=M(jj1:jj2); M3=M(ii3:jj3); |
179 |
|
|
elseif ii1 > 0, |
180 |
|
|
ind1=ii1; ind2=ii2; |
181 |
|
|
M2=M(ii1:ii2); M4=''; |
182 |
|
|
elseif jj1 > 0, |
183 |
|
|
ind1=jj1; ind2=jj2; |
184 |
|
|
M4=M(jj1:jj2); M2=''; |
185 |
|
|
end |
186 |
|
|
M5=M(1+ind2:end); |
187 |
|
|
%fprintf(' ii1,ii2 = %i %i ; jj1,jj2= %i %i ;', ii1,ii2, jj1,jj2); |
188 |
|
|
%fprintf(' ii3,jj3= %i %i ; ind1,ind2= %i %i\n',ii3,jj3,ind1,ind2); |
189 |
|
|
%fprintf('M(1:ind1)=%s<\n',M(1:ind1)); |
190 |
|
|
%fprintf(' M2=%s<\n',M2); |
191 |
|
|
%fprintf(' M3=%s<\n',M3); |
192 |
|
|
%fprintf(' M4=%s<\n',M4); |
193 |
|
|
%fprintf(' M5=%s<\n',M5); |
194 |
|
|
else |
195 |
|
|
if ii1*jj1 > 0, |
196 |
|
|
order=sort([ii1 ii2 jj1 jj2]); |
197 |
|
|
ind=order(1); ii3=order(2)+1; jj3=order(3)-1; ind2=order(4); |
198 |
|
|
else ind=max(ii1,jj1); ind2=ii2+jj2; end |
199 |
|
|
compar=(ind == ind1); ii=0; |
200 |
|
|
if compar & ind1 == 0, ii=1; compar=strcmp (MM,M); end |
201 |
|
|
if compar & ind1 > 0, ii=2; compar=strncmp(MM,M,ind1) ; end |
202 |
|
|
if compar & ind1 > 0, ii=3; compar=strcmp(M5,M(1+ind2:end)); end |
203 |
|
|
if compar & ii1*jj1 > 0, ii=4; compar=strcmp(M3,M(ii3:jj3)); end |
204 |
|
|
if ~compar, |
205 |
|
|
fprintf('WARNING: Meta file (%s) is different (%i) from 1rst one:\n', ... |
206 |
|
|
allfiles(j).name,ii); |
207 |
|
|
fprintf(' it=%i :MM:%s\n',itrs(1),MM); |
208 |
|
|
fprintf(' it=%i :M :%s\n\n',itrs(iter),M); |
209 |
|
|
elseif ind1 > 0, |
210 |
|
|
if ii1 > 0, |
211 |
|
|
Mj=M(ii1:ii2); ii=findstr(Mj,'['); Mj=Mj(1+ii:end); |
212 |
jmc |
1.18 |
% add it-number from Mj to M2 (if different): |
213 |
jmc |
1.25 |
if isempty(findstr(M2,Mj)), M2=[deblank(M2(1:end-1)),Mj]; end |
214 |
|
|
end |
215 |
|
|
if jj1 > 0, |
216 |
|
|
Mj=M(jj1:jj2); ii=findstr(Mj,'['); Mj=Mj(1+ii:end); |
217 |
|
|
% add time interval from Mj to M4 (if different): |
218 |
|
|
if isempty(findstr(M4,Mj)), M4=[deblank(M4(1:end-1)),' ;',Mj]; end |
219 |
|
|
end |
220 |
|
|
end |
221 |
|
|
end |
222 |
|
|
% save modifications: |
223 |
|
|
if ind1>0 & j==size(allfiles,1) & iter==size(itrs,2), |
224 |
|
|
if ii1 < jj1, MM=[MM(1:ind1-1),M2,M3,M4,M5]; |
225 |
|
|
else MM=[MM(1:ind1-1),M4,M3,M2,M5]; end |
226 |
|
|
end |
227 |
jmc |
1.18 |
end |
228 |
adcroft |
1.1 |
|
229 |
jmc |
1.18 |
%- put local data file content in global array AA: |
230 |
jmc |
1.25 |
bdims=N(1,:); |
231 |
|
|
r0=N(2,:); |
232 |
|
|
rN=N(3,:); |
233 |
|
|
ndims=prod(size(bdims)); |
234 |
|
|
if j==1 & iter==1, AA=zeros([bdims size(itrs,2)]); end |
235 |
|
|
if mG(1)==0 & mG(2)==1, |
236 |
|
|
if (ndims == 1) |
237 |
|
|
AA(r0(1):rN(1),iter)=A; |
238 |
|
|
elseif (ndims == 2) |
239 |
|
|
AA(r0(1):rN(1),r0(2):rN(2),iter)=A; |
240 |
|
|
elseif (ndims == 3) |
241 |
|
|
AA(r0(1):rN(1),r0(2):rN(2),r0(3):rN(3),iter)=A; |
242 |
|
|
elseif (ndims == 4) |
243 |
|
|
AA(r0(1):rN(1),r0(2):rN(2),r0(3):rN(3),r0(4):rN(4),iter)=A; |
244 |
|
|
elseif (ndims == 5) |
245 |
|
|
AA(r0(1):rN(1),r0(2):rN(2),r0(3):rN(3),r0(4):rN(4),r0(5):rN(5),iter)=A; |
246 |
|
|
else |
247 |
|
|
error('Dimension of data set is larger than currently coded. Sorry!') |
248 |
|
|
end |
249 |
|
|
elseif (ndims == 1) |
250 |
|
|
AA(r0(1):rN(1),iter)=A; |
251 |
jmc |
1.22 |
else |
252 |
|
|
%- to debug: do simple stransfert (with a loop on 2nd index); |
253 |
|
|
% will need to change this later, to improve efficiency: |
254 |
jmc |
1.25 |
for i=0:rN(2)-r0(2), |
255 |
|
|
if (ndims == 2) |
256 |
|
|
AA(r0(1)+i*mG(1):rN(1)+i*mG(1),r0(2)+i*mG(2),iter)=A(:,1+i); |
257 |
|
|
elseif (ndims == 3) |
258 |
|
|
AA(r0(1)+i*mG(1):rN(1)+i*mG(1),r0(2)+i*mG(2), ... |
259 |
jmc |
1.22 |
r0(3):rN(3),iter)=A(:,1+i,:); |
260 |
jmc |
1.25 |
elseif (ndims == 4) |
261 |
|
|
AA(r0(1)+i*mG(1):rN(1)+i*mG(1),r0(2)+i*mG(2), ... |
262 |
jmc |
1.22 |
r0(3):rN(3),r0(4):rN(4),iter)=A(:,1+i,:,:); |
263 |
jmc |
1.25 |
elseif (ndims == 5) |
264 |
|
|
AA(r0(1)+i*mG(1):rN(1)+i*mG(1),r0(2)+i*mG(2), ... |
265 |
jmc |
1.22 |
r0(3):rN(3),r0(4):rN(4),r0(5):rN(5),iter)=A(:,1+i,:,:,:); |
266 |
jmc |
1.25 |
else |
267 |
|
|
error('Dimension of data set is larger than currently coded. Sorry!') |
268 |
|
|
end |
269 |
|
|
end |
270 |
jmc |
1.22 |
end |
271 |
adcroft |
1.1 |
|
272 |
jmc |
1.25 |
end % files |
273 |
adcroft |
1.3 |
end % iterations |
274 |
adcroft |
1.1 |
|
275 |
|
|
%------------------------------------------------------------------------------- |
276 |
|
|
|
277 |
jmc |
1.22 |
function [A,N,M,map2glob] = localrdmds(fname,ieee,recnum) |
278 |
adcroft |
1.1 |
|
279 |
|
|
mname=strrep(fname,' ',''); |
280 |
|
|
dname=strrep(mname,'.meta','.data'); |
281 |
|
|
|
282 |
jmc |
1.22 |
%- set default mapping from tile to global file: |
283 |
|
|
map2glob=[0 1]; |
284 |
|
|
|
285 |
adcroft |
1.1 |
% Read and interpret Meta file |
286 |
|
|
fid = fopen(mname,'r'); |
287 |
|
|
if (fid == -1) |
288 |
|
|
error(['File' mname ' could not be opened']) |
289 |
|
|
end |
290 |
|
|
|
291 |
|
|
% Scan each line of the Meta file |
292 |
|
|
allstr=' '; |
293 |
|
|
keepgoing = 1; |
294 |
|
|
while keepgoing > 0, |
295 |
|
|
line = fgetl(fid); |
296 |
|
|
if (line == -1) |
297 |
|
|
keepgoing=-1; |
298 |
|
|
else |
299 |
|
|
% Strip out "(PID.TID *.*)" by finding first ")" |
300 |
|
|
%old ind=findstr([line ')'],')'); line=line(ind(1)+1:end); |
301 |
|
|
ind=findstr(line,')'); |
302 |
|
|
if size(ind) ~= 0 |
303 |
|
|
line=line(ind(1)+1:end); |
304 |
|
|
end |
305 |
|
|
% Remove comments of form // |
306 |
jmc |
1.20 |
line=[line,' //']; ind=findstr(line,'//'); line=line(1:ind(1)-1); |
307 |
|
|
% Add to total string (without starting & ending blanks) |
308 |
|
|
while line(1:1) == ' ', line=line(2:end); end |
309 |
jmc |
1.22 |
if strncmp(line,'map2glob',8), eval(line); |
310 |
|
|
else allstr=[allstr,deblank(line),' ']; |
311 |
|
|
end |
312 |
adcroft |
1.1 |
end |
313 |
|
|
end |
314 |
|
|
|
315 |
|
|
% Close meta file |
316 |
|
|
fclose(fid); |
317 |
|
|
|
318 |
|
|
% Strip out comments of form /* ... */ |
319 |
|
|
ind1=findstr(allstr,'/*'); ind2=findstr(allstr,'*/'); |
320 |
|
|
if size(ind1) ~= size(ind2) |
321 |
|
|
error('The /* ... */ comments are not properly paired') |
322 |
|
|
end |
323 |
|
|
while size(ind1,2) > 0 |
324 |
jmc |
1.20 |
allstr=[deblank(allstr(1:ind1(1)-1)) allstr(ind2(1)+2:end)]; |
325 |
|
|
%allstr=[allstr(1:ind1(1)-1) allstr(ind2(1)+3:end)]; |
326 |
adcroft |
1.1 |
ind1=findstr(allstr,'/*'); ind2=findstr(allstr,'*/'); |
327 |
|
|
end |
328 |
|
|
|
329 |
|
|
% This is a kludge to catch whether the meta-file is of the |
330 |
|
|
% old or new type. nrecords does not exist in the old type. |
331 |
adcroft |
1.14 |
nrecords = NaN; |
332 |
adcroft |
1.1 |
|
333 |
jmc |
1.18 |
%- store the full string for output: |
334 |
|
|
M=strrep(allstr,'format','dataprec'); |
335 |
|
|
|
336 |
adcroft |
1.1 |
% Everything in lower case |
337 |
|
|
allstr=lower(allstr); |
338 |
|
|
|
339 |
|
|
% Fix the unfortunate choice of 'format' |
340 |
|
|
allstr=strrep(allstr,'format','dataprec'); |
341 |
|
|
|
342 |
|
|
% Evaluate meta information |
343 |
|
|
eval(allstr); |
344 |
|
|
|
345 |
|
|
N=reshape( dimlist , 3 , prod(size(dimlist))/3 ); |
346 |
jmc |
1.18 |
rep=[' dimList = [ ',sprintf('%i ',N(1,:)),']']; |
347 |
adcroft |
1.15 |
if ~isnan(nrecords) & nrecords > 1 & isempty(recnum) |
348 |
adcroft |
1.4 |
N=[N,[nrecords 1 nrecords]']; |
349 |
adcroft |
1.15 |
elseif ~isempty(recnum) & recnum>nrecords |
350 |
|
|
error('Requested record number is higher than the number of available records') |
351 |
|
|
end |
352 |
|
|
|
353 |
jmc |
1.18 |
%- make "dimList" shorter (& fit output array size) in output "M": |
354 |
|
|
pat=' dimList = \[(\s*\d+\,?)*\s*\]'; |
355 |
|
|
M=regexprep(M,pat,rep); |
356 |
|
|
% and remove double space within sq.brakets: |
357 |
|
|
ind1=findstr(M,'['); ind2=findstr(M,']'); |
358 |
|
|
if length(ind1) == length(ind2), |
359 |
|
|
for i=length(ind1):-1:1, if ind1(i) < ind2(i), |
360 |
|
|
M=[M(1:ind1(i)),regexprep(M(ind1(i)+1:ind2(i)-1),'(\s+)',' '),M(ind2(i):end)]; |
361 |
|
|
end; end |
362 |
|
|
else error('The [ ... ] brakets are not properly paired') |
363 |
|
|
end |
364 |
|
|
|
365 |
adcroft |
1.15 |
if isempty(recnum) |
366 |
|
|
recnum=1; |
367 |
adcroft |
1.4 |
end |
368 |
adcroft |
1.1 |
|
369 |
adcroft |
1.14 |
if isnan(nrecords) |
370 |
adcroft |
1.1 |
% This is the old 'meta' method that used sequential access |
371 |
|
|
|
372 |
|
|
A=allstr; |
373 |
|
|
% Open data file |
374 |
|
|
fid=fopen(dname,'r',ieee); |
375 |
|
|
|
376 |
|
|
% Read record size in bytes |
377 |
|
|
recsz=fread(fid,1,'uint32'); |
378 |
|
|
ldims=N(3,:)-N(2,:)+1; |
379 |
|
|
numels=prod(ldims); |
380 |
|
|
|
381 |
|
|
rat=recsz/numels; |
382 |
|
|
if rat == 4 |
383 |
|
|
A=fread(fid,numels,'real*4'); |
384 |
|
|
elseif rat == 8 |
385 |
|
|
A=fread(fid,numels,'real*8'); |
386 |
|
|
else |
387 |
|
|
sprintf(' Implied size in meta-file = %d', numels ) |
388 |
|
|
sprintf(' Record size in data-file = %d', recsz ) |
389 |
|
|
error('Ratio between record size and size in meta-file inconsistent') |
390 |
|
|
end |
391 |
|
|
|
392 |
|
|
erecsz=fread(fid,1,'uint32'); |
393 |
|
|
if erecsz ~= recsz |
394 |
|
|
sprintf('WARNING: Record sizes at beginning and end of file are inconsistent') |
395 |
|
|
end |
396 |
|
|
|
397 |
|
|
fclose(fid); |
398 |
|
|
|
399 |
|
|
A=reshape(A,ldims); |
400 |
|
|
|
401 |
|
|
else |
402 |
|
|
% This is the new MDS format that uses direct access |
403 |
|
|
|
404 |
|
|
ldims=N(3,:)-N(2,:)+1; |
405 |
adcroft |
1.15 |
for r=1:size(recnum(:),1); |
406 |
adcroft |
1.1 |
if dataprec == 'float32' |
407 |
adcroft |
1.15 |
A(:,r)=myrdda(dname,ldims,recnum(r),'real*4',ieee); |
408 |
adcroft |
1.1 |
elseif dataprec == 'float64' |
409 |
adcroft |
1.15 |
A(:,r)=myrdda(dname,ldims,recnum(r),'real*8',ieee); |
410 |
adcroft |
1.1 |
else |
411 |
|
|
error(['Unrecognized format in meta-file = ' format]); |
412 |
|
|
end |
413 |
adcroft |
1.15 |
end |
414 |
|
|
|
415 |
|
|
A=reshape(A,[ldims size(recnum(:),1)]); |
416 |
|
|
if size(recnum(:),1)>1 |
417 |
|
|
N(1,end+1)=size(recnum(:),1); |
418 |
|
|
N(2,end)=1; |
419 |
|
|
N(3,end)=size(recnum(:),1); |
420 |
|
|
end |
421 |
adcroft |
1.1 |
|
422 |
|
|
end |
423 |
|
|
|
424 |
|
|
%------------------------------------------------------------------------------- |
425 |
|
|
|
426 |
|
|
% result = RDDA( file, dim, irec [options] ) |
427 |
|
|
% |
428 |
|
|
% This routine reads the irec'th record of shape 'dim' from the |
429 |
|
|
% direct-access binary file (float or double precision) 'file'. |
430 |
|
|
% |
431 |
|
|
% Required arguments: |
432 |
|
|
% |
433 |
|
|
% file - string - name of file to read from |
434 |
|
|
% dim - vector - dimensions of the file records and the resulting array |
435 |
|
|
% irec - integer - record number in file in which to write data |
436 |
|
|
% |
437 |
|
|
% Optional arguments (must appear after the required arguments): |
438 |
|
|
% prec - string - precision of storage in file. Default = 'real*8'. |
439 |
|
|
% ieee - string - IEEE bit-wise representation in file. Default = 'b'. |
440 |
|
|
% |
441 |
|
|
% 'prec' may take the values: |
442 |
|
|
% 'real*4' - floating point, 32 bits. |
443 |
|
|
% 'real*8' - floating point, 64 bits - the efault. |
444 |
|
|
% |
445 |
|
|
% 'ieee' may take values: |
446 |
|
|
% 'ieee-be' or 'b' - IEEE floating point with big-endian |
447 |
|
|
% byte ordering - the default |
448 |
|
|
% 'ieee-le' or 'l' - IEEE floating point with little-endian |
449 |
|
|
% byte ordering |
450 |
|
|
% 'native' or 'n' - local machine format |
451 |
|
|
% 'cray' or 'c' - Cray floating point with big-endian |
452 |
|
|
% byte ordering |
453 |
|
|
% 'ieee-le.l64' or 'a' - IEEE floating point with little-endian |
454 |
|
|
% byte ordering and 64 bit long data type |
455 |
|
|
% 'ieee-be.l64' or 's' - IEEE floating point with big-endian byte |
456 |
|
|
% ordering and 64 bit long data type. |
457 |
|
|
% |
458 |
|
|
% eg. T=rdda('t.data',[64 64 32],1); |
459 |
|
|
% T=rdda('t.data',[256],4,'real*4'); |
460 |
|
|
% T=rdda('t.data',[128 64],2,'real*4','b'); |
461 |
|
|
function [arr] = myrdda(file,N,k,varargin) |
462 |
|
|
|
463 |
|
|
% Defaults |
464 |
|
|
WORDLENGTH=8; |
465 |
|
|
rtype='real*8'; |
466 |
|
|
ieee='b'; |
467 |
|
|
|
468 |
|
|
% Check optional arguments |
469 |
|
|
args=char(varargin); |
470 |
|
|
while (size(args,1) > 0) |
471 |
|
|
if deblank(args(1,:)) == 'real*4' |
472 |
|
|
WORDLENGTH=4; |
473 |
|
|
rtype='real*4'; |
474 |
|
|
elseif deblank(args(1,:)) == 'real*8' |
475 |
|
|
WORDLENGTH=8; |
476 |
|
|
rtype='real*8'; |
477 |
|
|
elseif deblank(args(1,:)) == 'n' | deblank(args(1,:)) == 'native' |
478 |
|
|
ieee='n'; |
479 |
|
|
elseif deblank(args(1,:)) == 'l' | deblank(args(1,:)) == 'ieee-le' |
480 |
|
|
ieee='l'; |
481 |
|
|
elseif deblank(args(1,:)) == 'b' | deblank(args(1,:)) == 'ieee-be' |
482 |
|
|
ieee='b'; |
483 |
|
|
elseif deblank(args(1,:)) == 'c' | deblank(args(1,:)) == 'cray' |
484 |
|
|
ieee='c'; |
485 |
|
|
elseif deblank(args(1,:)) == 'a' | deblank(args(1,:)) == 'ieee-le.l64' |
486 |
|
|
ieee='a'; |
487 |
|
|
elseif deblank(args(1,:)) == 's' | deblank(args(1,:)) == 'ieee-be.l64' |
488 |
|
|
ieee='s'; |
489 |
|
|
else |
490 |
|
|
error(['Optional argument ' args(1,:) ' is unknown']) |
491 |
|
|
end |
492 |
|
|
args=args(2:end,:); |
493 |
|
|
end |
494 |
|
|
|
495 |
|
|
nnn=prod(N); |
496 |
|
|
|
497 |
|
|
[fid mess]=fopen(file,'r',ieee); |
498 |
|
|
if fid == -1 |
499 |
|
|
error('Error while opening file:\n%s',mess) |
500 |
|
|
end |
501 |
|
|
st=fseek(fid,nnn*(k-1)*WORDLENGTH,'bof'); |
502 |
|
|
if st ~= 0 |
503 |
|
|
mess=ferror(fid); |
504 |
|
|
error('There was an error while positioning the file pointer:\n%s',mess) |
505 |
|
|
end |
506 |
|
|
[arr count]=fread(fid,nnn,rtype); |
507 |
|
|
if count ~= nnn |
508 |
|
|
error('Not enough data was available to be read: off EOF?') |
509 |
|
|
end |
510 |
|
|
st=fclose(fid); |
511 |
adcroft |
1.15 |
%arr=reshape(arr,N); |
512 |
adcroft |
1.9 |
|
513 |
|
|
% |
514 |
jmc |
1.25 |
function [itrs] = scanforfiles(fname) |
515 |
adcroft |
1.9 |
|
516 |
jmc |
1.25 |
itrs=[]; |
517 |
adcroft |
1.12 |
allfiles=dir([fname '.*.001.001.meta']); |
518 |
adcroft |
1.10 |
if isempty(allfiles) |
519 |
adcroft |
1.12 |
allfiles=dir([fname '.*.meta']); |
520 |
adcroft |
1.11 |
ioff=0; |
521 |
|
|
else |
522 |
adcroft |
1.10 |
ioff=8; |
523 |
|
|
end |
524 |
adcroft |
1.9 |
for k=1:size(allfiles,1); |
525 |
|
|
hh=allfiles(k).name; |
526 |
jmc |
1.25 |
itrs(k)=str2num( hh(end-14-ioff:end-5-ioff) ); |
527 |
adcroft |
1.9 |
end |
528 |
jmc |
1.25 |
itrs=sort(itrs); |