Mercurial > hg > ltpda
view m-toolbox/classes/+utils/@helper/dunzip.m @ 23:a71a40911c27 database-connection-manager
Update check for repository connection parameter in constructors
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Mon, 05 Dec 2011 16:20:06 +0100 |
parents | f0afece42f48 |
children |
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function M = dunzip(Z) % DUNZIP - decompress DZIP output to recover original data % % USAGE: % M = dzip(Z) % % VARIABLES: % Z = compressed variable to decompress % M = decompressed output % % NOTES: (1) The input variable Z is created by the DZIP function and % is a vector of type uint8 % (2) The decompressed output will have the same data type and % dimensions as the original data provided to DZIP. % (3) See DZIP for other notes. % (4) Carefully tested, but no warranty; use at your own risk. % (5) Michael Kleder, Nov 2005 import com.mathworks.mlwidgets.io.InterruptibleStreamCopier a=java.io.ByteArrayInputStream(Z); b=java.util.zip.InflaterInputStream(a); isc = InterruptibleStreamCopier.getInterruptibleStreamCopier; c = java.io.ByteArrayOutputStream; isc.copyStream(b,c); Q=typecast(c.toByteArray,'uint8'); cn = double(Q(1)); % class nd = double(Q(2)); % # dims s = typecast(Q(3:8*nd+2),'double')'; % size Q=Q(8*nd+3:end); if cn == 3 M = logical(Q); elseif cn == 4 M = char(Q); else ct = {'double','single','logical','char','int8','uint8',... 'int16','uint16','int32','uint32','int64','uint64'}; M = typecast(Q,ct{cn}); end M=reshape(M,s); return