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Bug 2905 - improve SMR file format to read spikes and lfps

Reported 2015-06-03 17:13:00 +0200
Modified 2015-06-03 19:37:14 +0200
Product: FieldTrip
Component: core
Version: unspecified
Hardware: PC
Operating System: Linux
Importance: P5 normal
Assigned to: Diego Lozano Soldevilla
Depends on:
See also:

Diego Lozano Soldevilla - 2015-06-03 17:13:43 +0200

I've *.smr files generated by Spike2 software but I cannot read them: >> ft_read_header(filename) Undefined function 'mexprog' for input arguments of type 'double'. Error in ns_SetLibrary (line 39) [ns_RESULT] = mexprog(18, filename); Error in read_ced_son (line 93) ns_RESULT = ns_SetLibrary(which('nsCedSon.dll')); Error in ft_read_header (line 469) orig = read_ced_son(filename,'readevents','no','readdata','no'); I was able to open the same file using low level routing from sigTOOL matlab toolbox under linux. To solve this issue, I could open an if ispc/isunix statement in read_ced_son line 92 to open the linux implementation. I'd have to add sigTOOL low level functions (plus other modifications) that I'd add to the new fieldtrip/external/sigTOOL folder. Does it make sense to you?

Robert Oostenveld - 2015-06-03 19:17:57 +0200

I believe that this format was once upon a time implemented by Gijs, and subsequently somehow adopted/used by Vladimir (now CC on this bug). The ns_SetLibrary is from neuroshare, which is not supported any more (only on old 32 bit windows matlab). I would be fine with replacing it altogether with a new matlab-only implementation based on E.g. add a fieldtrip/external/sigtool directory, add it to ft_hastoolbox and then use that instead of the existing mex file solution (which I think won't work for anyone).

Diego Lozano Soldevilla - 2015-06-03 19:37:14 +0200

(In reply to Robert Oostenveld from comment #1) Thanks Robert! I'll work on that.