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read mcd file in Matlab

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Post  Jenq-Wei Thu Jul 30, 2009 4:34 pm

Hi,

I use matlab version7.7 (R2008b) to write program to access .mcd file.

I could read the .mcd file if I use MC_RACK version 3.5.8 to record data.

However, I can not read the .mcd file if I use USB-ME256-system and MC_RACK version 3.7.0 to record data.

I get the error information from matlab below.
??? Index exceeds matrix dimensions.
Error in ==> datastrm.datastrm at 353
d.ChannelID2{i}=d.sorterleft(tmpsort)';


Regards,

Jenq-Wei

Jenq-Wei

Posts : 4
Join date : 2009-07-30

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Post  Merz MCS Tue Aug 04, 2009 10:12 am

Dear Jenq-Wei,

the datastrm.m file works for files recorded with a 128 channel systems but you will get an error message for files recorded with a 256 channel systems. We will fix the bug and send the corrected m file to you as soon as possible.

Kind regards,

Gerald

Merz MCS

Posts : 4
Join date : 2009-08-04

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Post  Merz MCS Tue Aug 04, 2009 2:36 pm

Dear Jenq-Wei,

could you please send your email address, the name of your institution and the serial number of the USB-ME256-system. My email address is merz@multichanelsystems.com. Thank you for your help.

Kind regrads,

Gerald

Merz MCS

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Post  Jenq-Wei Wed Aug 05, 2009 8:22 am

Dear Gerald,

Thank you for your reply.

The name of our institute is "Universitätsmedizin der Johannes Gutenberg-Universität
Institut für Physiologie und Pathophysiologie"



And the serial number of the USB-ME256-system is MEA256-0515374 (0006).

Have a nice day,

Jenq-Wei

Jenq-Wei

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Post  Merz MCS Wed Aug 05, 2009 2:19 pm

Dear Jenq-Wei,

could you send me your email address ?

Kind regards,

Gerald

Merz MCS

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Post  Jenq-Wei Wed Aug 05, 2009 2:36 pm

My e-mail is yangj@uni-mainz.de.

Thank you.

Jenq-Wei

Jenq-Wei

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Post  YRZ Wed Sep 01, 2010 6:55 pm

I am experiencing the same problem with the 256MEA. Could you also provide me with the revised .m file?

YRZ

Posts : 2
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Post  Jens Thu Sep 02, 2010 10:03 am

The Matlab interface with the MCStream.dll does not fully support our new
256-Mea-Systems. The reason is, that it was basically the reader for the Meatools
and there is no further development by the group in Freiburg.

However to make the Matlab interface run you need another sorterleft array. You find the arrays at the end of the post, but you should include it at the appropriate positions in datastrm.m yourself.

For new projects we recommend Neuroshare and sigTOOL or FIND. Please visit the download
section of our web page:
http://www.multichannelsystems.com/downloads
in the box data exports there is Neuroshare with some documentation where to find
the needed tools.

Kind regards, Jens

mea16x16ChannelNames={'R12','L10','O10','P11','L9','N9','M8','R8','O6','N7','R4','P5','R2','M5','K6','I8','L2','M1','I4','K3','H1','I6','G4',
'H5','E2','F3','N13','O14','R13','L11','O11','P12','M9','N10','L8','R9','O7','N8','R5','P6','K7','L7','N4','O3','N1','L6','L3','M2','I5','K4','H6',
'I1','G3','H4','E1','F2','K13','L16','I12','K15','I16','I14','K10','O16','R14','R15','O12','P13','M10','N11','P9','R10','O8','K8','R6','P7','N5',
'M6','P3','O4','O1','P1','M3','N2','K5','L4','I2','K1','H3','H7','F1','G2','E4','F5','P14','P15','N12','O13','R11','M11','O9','P10','P8','K9',
'M7','R7','O5','N6','R3','P4','O2','P2','M4','N3','L1','L5','I3','K2','H2','I7','G5','G1','E3','F4','I9','P16','Analog1','Analog2','H8','B1',
'A5','F7','C7','B6','F8','D8','E9','A9','C11','D10','A15','E12','A13','B12','F13','K16','E16','I15','I13','H10','I11','H14','H12','H16',
'G7','G6','D4','C3','A4','F6','C6','B5','E8','D7','F9','A8','C10','D9','A12','B11','D13','C14','G10','F10','G13','G15','F14','F16','E15',
'F12','D16','E13','F11','D14','H11','I10','H13','H15','G14','G16','F15','G12','C2','D3','A3','A2','C5','B4','E7','D6','B8','A7','C9','G9',
'A11','B10','D12','E11','C16','B16','B14','C13','D15','O15','H9','N14','M12','M13','N16','L12','L14','M15','C1','D2','B3','B2','D5',
'C4','A6','E6','C8','B7','B9','G8','E10','A10','C12','D11','C15','B15','A14','B13','E14','N15','G11','M14','K11','L13','M16','K12',
'K14','L15','E5','D1','Analog3','Analog4'};

sorterleft256=(1:256);

sorterright256=(1:256);

Jens

Posts : 55
Join date : 2009-03-06
Location : Multi Channel Systems

http://www.multichannelsystems.com

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